Pages Of Interest
- 403 CHEAP DIY Homebrew Wire Antennas for Ham Radio
- Amateur Radio Parity Act – Watch Video And Help Get This Law Passed!
- Attic AMSAT Antenna – Working the Ham Radio Satellites With A Rotatable Computer Controlled Yagi Attic Antenna
- Cheap Computer Controlled TV Rotor for AMSAT Satellites
- CrimperGate – When the Coax Crimper Jaws Won’t Crimp Close – A Mystery
- First Portable Solar Setup For Ham Radio – Bioenno Solar Charge Controller SC-4830JUD and ALLPOWERS 100W Solar Charger AP-SP-012-BLA Portable Solar Panel Kit
- For Sale: NOOELEC RTL-SDR with NOOELEC Ham It Up V1.3 – Includes Metal Enclosure And SDR Connector Cable For SDR.
- Ham Radio Deluxe – Last Free Version Available for Download Here
- Ham Radio RFI – How To Track Down and Find RFI and Noise Affecting Your Ham Station
- Ham Radio Satellite Antenna Dilemma – In Search Of A Solution
- Ham Radio Shack For Sale – Two Yaesu FT-991 / Yaesu ATAS-120a / Heil Pro 7 Headset / LDG Z11 Pro Tuner / Yaesu FH2 – Hamvention Sale!
- Ham Radio Station – Kilo Three Triple R – The K3RRR Anomaly
- K3RRR Tweets – Follow Me At @K3TripleR
- MARC Club Station
- MFJ-1786 Loop Antenna – My Stealth Antenna Installations
- Privacy Policy
- QSL Cards Received
- SDR – Get Maximum Decodes When Your Levels Are Right – Software Defined Radios for Digital Communications
- Signalink and Other USB Digital Interfaces Huge Bug Fix for Amateur Radio Digital Modes
- Technoweenie’s JT-65 HF Presentation – JT65 HF HB9HQX And JT Alerts – Video and PowerPoint
- Terms Of Service
- Update: SignaLink and Other USB Digital Interfaces – Huge Bug + Permanent Fix for Amateur Radio Digital Modes
- Winlink – HF and VHF Radio Email For Emergencies and SHTF
- Wire Antennas – 287 Different Wire Antennas To Choose From
- K3RRR Yaesu ATAS 120a Antenna Mobile / Portable and Fixed Station
- El Cheapo AZ EL Satellite Antenna
- QTH of K3RRR – Potomac Maryland and Washington DC Area
- Fifteen Milliseconds Of Techno-Weenie Fame
- Personal Profile
- QRZ – Contact K3RRR
Recent Posts
- Ham Radio QRN: Have S7 to S9 Noise Problem on HF? Here’s My Solution
- Ham Radio QRN: “The End of Daytime HF?” AMSAT BBS Posting By Robert Bruninga WB4APR
- 20151115_site_visit-8907
- Latest RTTY News
- Latest Amateur Radio News
- Nice Amateur Radio photos
- Nice APRS photos
- Cool Ham Radio images
- Nice Amateur Radio photos
- 671B3621: Sim/KD4REE
- K7FE
- Nice Amateur Radio photos
- Willemstad-6615
- Nice ARRL photos
- Cool Ham Radio images
Pages
- 403 CHEAP DIY Homebrew Wire Antennas for Ham Radio
- Amateur Radio Parity Act – Watch Video And Help Get This Law Passed!
- Attic AMSAT Antenna – Working the Ham Radio Satellites With A Rotatable Computer Controlled Yagi Attic Antenna
- Cheap Computer Controlled TV Rotor for AMSAT Satellites
- CrimperGate – When the Coax Crimper Jaws Won’t Crimp Close – A Mystery
- First Portable Solar Setup For Ham Radio – Bioenno Solar Charge Controller SC-4830JUD and ALLPOWERS 100W Solar Charger AP-SP-012-BLA Portable Solar Panel Kit
- For Sale: NOOELEC RTL-SDR with NOOELEC Ham It Up V1.3 – Includes Metal Enclosure And SDR Connector Cable For SDR.
- Ham Radio Deluxe – Last Free Version Available for Download Here
- Ham Radio RFI – How To Track Down and Find RFI and Noise Affecting Your Ham Station
- Ham Radio Satellite Antenna Dilemma – In Search Of A Solution
- Ham Radio Shack For Sale – Two Yaesu FT-991 / Yaesu ATAS-120a / Heil Pro 7 Headset / LDG Z11 Pro Tuner / Yaesu FH2 – Hamvention Sale!
- Ham Radio Station – Kilo Three Triple R – The K3RRR Anomaly
- K3RRR Tweets – Follow Me At @K3TripleR
- MARC Club Station
- MFJ-1786 Loop Antenna – My Stealth Antenna Installations
- Privacy Policy
- QSL Cards Received
- SDR – Get Maximum Decodes When Your Levels Are Right – Software Defined Radios for Digital Communications
- Signalink and Other USB Digital Interfaces Huge Bug Fix for Amateur Radio Digital Modes
- Technoweenie’s JT-65 HF Presentation – JT65 HF HB9HQX And JT Alerts – Video and PowerPoint
- Terms Of Service
- Update: SignaLink and Other USB Digital Interfaces – Huge Bug + Permanent Fix for Amateur Radio Digital Modes
- Winlink – HF and VHF Radio Email For Emergencies and SHTF
- Wire Antennas – 287 Different Wire Antennas To Choose From
- K3RRR Yaesu ATAS 120a Antenna Mobile / Portable and Fixed Station
- El Cheapo AZ EL Satellite Antenna
- QTH of K3RRR – Potomac Maryland and Washington DC Area
- Fifteen Milliseconds Of Techno-Weenie Fame
- Personal Profile
- QRZ – Contact K3RRR
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Icom – How Digital Selective Calling (DSC) works
Icom UK Ltd and Yachting TV team up to give an overview on how DSC or Digital Selective actually works, whether it be an emergency situation or a routine call. Courtesy of Yachting TV
Icom D-STAR bemutató
ARRL – The DIY Magic of Amateur Radio
ARRL to launch new video and materials with “Do It Yourself” theme, December 27. At 10 AM ET on December 27, 2011, ARRL will release a new video, “The DIY Magic of Amateur Radio,” to its more than 156000 members. The video will be simultaneously released on ARRL’s Facebook, Twitter and YouTube pages, and will be also be available at www.arrl.org. The 8-minute video follows some of the innovative, imaginative and fun ways “hams” use radio technology in new and creative ways. The presentation is directed toward the DIY (do it yourself) movement, which is inspiring a new generation of creators, hackers and innovators. The message should be helpful for existing members to shape the ways they understand and talk about ham radio. Can’t wait until December 27? Start here by exploring short stories and videos about some of the projects and activities pursued by today’s radio amateurs. From satellite communications to sophisticated wireless digital networks, you’ll quickly find that when it comes to ham radio…WE DO THAT!
Video Rating: 5 / 5
celebrating the 100th year of radio as a service, this comes from the us arrl to commemorate the event and attract newcomers to the amateur radio hobby. enjoy!
South Carolina Single Side Band Net on the new SoftRock Ensemble II RX
Recorded a few minutes of the net to show the performance of the new SDR build.
Video Rating: 5 / 5
Latest ICOM News
ICOM IC-735 PASSBAND FILTER MOD
Image by usblsb
Modificación de los diodos del filtro pasa banda en rx de la emisora ICOM ic-735
Le he cambiado los diodos que se emplean para conmutar o seleccionar los filtros pasabandas de Rx , y he tenido un incremento de la RX.
Lógicamente no es lo mismo un diodo de hace 20 años que uno moderno.
Five Ways to Create a Data-Driven Marketing Culture
Jim Bergeson is president and CEO of Bridgz Marketing Group in Minneapolis, a BI WORLDWIDE company and member of ICOM, the 50-nation network of independent marketing communications organizations.
Read more on MarketingProfs.com (subscription)
Why "Go Mobile"? BKV's Jamie Turner Reveals Mobile Marketing Benefits in New Book
With offices in Atlanta and Kansas City, BKV serves local, national and international clients and is a member of the ICOM Agency Network, a professional association of marketing and advertising agencies from all over the world. Want more information?
Read more on MarketWatch (press release)
Coastguard surveys boat safety
However, Coastguard says the names of those who take part will go in the draw to win a number of prizes as thanks for their time. These will include ICOM VHF Radios, Hutchwilco life jackets and Coastguard education courses. By Mike Rose.
Read more on New Zealand Herald
Get On The Air With HF Digital
Get On The Air With HF Digital
A Step-by-Step Guide that gets you started in the world of HF Digital technology.
Written in an easy to understand style.
Great for Amamteur Ham Radio!
List Price: $ 25.95
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More Psk31 Products
Latest Ham Antenna News
The Radio Is Buried in the Dash
That required the reverse posture, head against the windshield, arms down into the "guts" under the dash, to remove the radio mounting bolts, disconnect the in-line fuse holder, and pull the antenna and speaker connectors.
Read more on Design News
Education instead of legislation
I was happy with our black-and-white television with rabbit ears antenna just to watch one channel. As cars become safer, more fuel efficient and better performing to allow us to drive faster and more aggressively, our speed limits were reduced, …
Read more on Pacific Daily News
QST Product Review: ICOM IC-7410
An overview of the ICOM IC-7410 transceiver. See the October 2011 issue of QST magazine for the complete review and ARRL Lab test results.
Yaesu FT-2000, FT950, FT897D, FT857D Mic, for mod’ing the Astatic D104
A close look into the Yaesu FT-2000, FT950, FT897D, FT857D microphone, and the Astatic D104 How to mod the D104 for the Yaesu radio is considered.
Latest HF Digital News
Canon U.S.A. Showcases Latest Products and Technologies at the 2012 Consumer …
Canon unveiled a new line of six VIXIA High Definition flash memory camcorders, including three compact VIXIA HF M-series models (HF M52*, HF M50*, HF M500*) and three entry-level VIXIA HF R-series models (HF R32*, HF R30*, HF R300*) which include …
Read more on MarketWatch (press release)
USA HF Spread Spectrum Experiment
… and nail' to defeat the FCC's Docket 20777 which proposed to introduce regulation by bandwidth rather than mode. The rules that were put into place after the Docket's defeat effectively crippled the development of HF digital communications in the USA.
Read more on Southgate Amateur Radio Club
TelVue(R) Enters Into Agreement to Convert Its Debt to Equity
MOUNT LAUREL, NJ, Jan 18, 2012 (MARKETWIRE via COMTEX) — TelVue(R) Corporation (otcqb:TEVE) (pinksheets:TEVE), a leader in IP Television Broadcasting and Internet Video Streaming, announced today that it had executed an agreement with HF "Gerry" …
Read more on MarketWatch (press release)
KE5UTN Ham Shack and Antennas
My ham radio set up. From Push up pole to floor joists, how I hold up my antennas as well as the butternut dual band antenna. Thanks to the following for all their help and generosity: KA5JNL, KB5YEG, WB5SOT, KB5WDC, N5EXS, N5ASA A and others i’m don’t recall right now. Visit my blog: www.dtaverne.blogspot.com to see and hear ham nets streaming live.
Cool ICOM images
Check out these ICOM images:
Icom ICV68
Image by Hipolito Luiz
Icom ICV68
Icom ICV68
Image by Hipolito Luiz
Icom ICV68
Icom ICV68
Image by Hipolito Luiz
Icom ICV68
Haiti Earthquake Report Via Amateur Radio
When telephones, internet, and power are cut off, Amateur Radio fills vital communications needs. Fred Moore of Florida, callsign W3ZU provides a radio/telephone patch for Jean-Robert Gaillard, callsign HH2JR, of Port au Prince. Audio captured by Brian Crow. Images (c) their respective owners.
Video Rating: 4 / 5
When a disaster strikes, emergency communication is essential- but often its the first thing that fails, that’s where the folks involved with Amateur Radio step in.
Video Rating: 5 / 5
HAM RADIO DELUXE V5 -Log
Es una mirada al nuevo log del HRD beta V5 , la verdad muchas pero muchas funciones muy buenas y oportunas para este exelente programa que lo recomiendo 100%
Nice QSO photos
Some cool QSO images:
Picture_1867
Image by ChrisFizik
Picture_1797
Image by ChrisFizik
R SOCIEDADE brazil 740 khz received in scotland
vist the MW DX cluster www.skype.com
visit the mw dx cluster and chat www.skype.com
Video Rating: 5 / 5
hide-SCANNER
SPYCHOMMUNITY
Book flipping scanning system developed at University of Tokyo. Learn more: spectrum.ieee.org
Video Rating: 4 / 5
Ham Radio at Maker Faire 2009 – APRS demo PART 2
PART 2 of 3. Leigh Klotz WA5ZNU demonstrates a wireless APRS device (Automatic Position Reporting System) using a low cost microprocessor and transmitter to send GPS location information. Video by NQ1R/ARRL. www.arrl.org
Video Rating: 4 / 5
Minecraft-Ham Tower Machine
i will have food for a long time :0
Brother MFC5895CW Wireless Color Photo Printer with Scanner, Copier and Fax
Brother MFC5895CW Wireless Color Photo Printer with Scanner, Copier and Fax
The professional series mfc-5895cw is ideal for everyday business needs with versatility to print up to 11&34; x 17&34; (ledger size) for high impact results. easy to setup wireless (802.11b/g) or wired ethernet networking connects to others on a network. preview faxes and view help menus on the 3.3&34; widescreen color lcd display. conveniently fax, copy or scan with the up to 50-page adf. professional high quality printing resolutions up to 6000 x 1200 dpi. the up to 150-sheet paper capacity i
List Price: $ 199.99
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HP Q7551X High Yield (13,000 Pages) Toner Cartridge – Replaces The Lower Yield Version HP Q7551A – Identical Cartridges – One Is High Yield And The Other Is Low Yield – This Is The High Yield – For Use With HP LaserJet M3027, M3027x, M3035, M3035xs, P3005, P3005d, P3005dn, P3005n and P3005x Printers
Always check seller’s comments or call seller to confirm if you are buying the high yield (13,000 pages at 5% page coverage) or low yield version (6,500 Pages at 5% page coverage) of this toner cartridge. Both versions of the toner cartridge work on the HP LaserJet M3027, M3027x, M3035, M3035xs, P3005, P3005d, P3005dn, P3005n and P3005x printers, but this high yield cartridge offered here delivers twice the page yield. If the seller does not state which version they are selling, be sure to call
List Price: $ 238.99
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Rigexpert AA-200 Antenna analyzer
Rigexpert AA-200 Antenna analyzer overview
Video Rating: 4 / 5
Fishing dx with my fishing pole in 14 Mhz. The antenna is a telescopic fiber pole 7 m. long with a cable. The video shows a qso with K2vv, John in Missouri. For a decent impedance couplng I use an unun 6:1 at the feeding point and an antenna tunner.
Video Rating: 5 / 5
ECE3300 Lecture 13b-11 Impedance Matching review
www.ece.utah.edu/~ece3300
Video Rating: 5 / 5
Upcoming Events at the Beaverlodge Cultural Centre
Upcoming Events at the Beaverlodge Cultural Centre
The following are available: drawing workshop, pottery pets (money banks for children), intro hot glass – Valentine theme, digital photography workshop, gel medium transfer, hot glass – master class, encaustic workshop, hot glass – pot melt, …
Read more on HQ Grande Prairie
One person's misery equals another's Kodak moment
After completing a master's degree in urban geography from the Université Paul-Valéry Montpellier, he received a Bachelor of Fine Arts from Concordia University in Montreal and a post-diploma from the École Nationale des Beaux-arts de Lyon. …
Read more on Edmonton Journal
MFJ Presentation: Coils and Antenna Resonance
An Evening with Martin F. Jue: MFJ’s Antenna Analyzers Coils and Antenna Resonance at Ga Tech, February 25, 2010 Hosted by the Atlanta Radio Club (W4DOC) and the Ga Tech Amateur Radio Club (W4AQL) (c) Atlanta Radio Club
Anasheed:Amsat Maani
risalatun.com
YV6BFE, PS8RF and K3SZH talking via AMSAT OSCAR 7 ( AO-7 ). 01/05/2009 – 22:15 UTC.
Video Rating: 5 / 5
Mitec Telecom To Combine With DAS Technology Company Optiway, Stock Up
Mitec Telecom To Combine With DAS Technology Company Optiway, Stock Up
Lachine, Canada-headquartered Mitec is a leading designer and provider of radio frequency (RF) products for the telecommunications and satellite communications industries. Optiway, founded in 2004, offers advanced optical fiber solutions that enable …
Read more on NASDAQ
Cambridge Consultants pioneers new DECT radio mic design
By taking advantage of DECT, Cambridge Consultants says its new radio microphone design delivers higher audio quality with no interference and quadruples the range of existing radio microphone technology, whilst also lowering the total bill of …
Read more on Business Weekly
2012 CES Show Report
shack
Image by afternoon_sunlight
My father’s amateur radio station and workshop. The workshop on the left is necessary to get all those old tube radios on the right working.
2012 CES Show Report
It sports a single HDTV tuner (and comes with a mini HD antenna) and records to a hard drive that you provide. You get the full complement of DVR controls and programming options. The cost is $ 149 for the hardware and $ 4.99 per month for the service. …
Read more on Home Theater Review
Hands-on: Simple.TV might be the next big cord-cutting device
The biggest limitation as it stands now remains the single tuner, which means you can't record two programs at once. The Simple.TV does have an antenna-out connection, which you can run to your TV's tuner if you want to watch a different live program …
Read more on CNET
Hiltron to introduce new controller at CABSAT 2012
“The HSACU serves two key roles, being designed for integration into SNG trucks or for refurbishment of existing SNG antenna control systems,” explains Hiltron GmbH Managing Director Dr Michael Schiestl. “Housed in a compact rack-mountable chassis, …
Read more on DigitalProductionME.com
Latest Yaesu News
Полностью за 09.01
«Мы работали в эфире в полевых условиях, используя трансивер YAESU TF-900, бензогенератор мощностью 2,2 кВт, полевые мобильные антенны на разные диапазоны. Уже составлен отчет в электронном виде по проведенным радиосвязям и отправлен в Москву, …
Read more on Новый Регион
Zonet ZWA1007 Wireless Antenna 7dbi Omni Directional RP-SMA Increase Wireless Strength
Zonet ZWA1007 Wireless Antenna 7dbi Omni Directional RP-SMA Increase Wireless Strength
Features — 1.Increase wireless strength 2.Extend wireless distance 3.Support 802.11b and 802.11g 4.Suitable for RP-SMA plug.
List Price: $ 52.68
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New Terk AM Advantage Adjustable Indoor Antenna
New Terk AM Advantage Adjustable Indoor Antenna. . Model Number: ADVANTAGE. . The Terk Advantage is a passive, fully adjustable indoor antenna for the AM broadcast band. It uses a pre-tuning system that adjusts antenna to specific frequency for best reception. It covers 540 to 1700 kHz. It tunes stations that other antennas do not and tunes out static. The Advantage may be placed right next to or on top of the AM radio. This inductive coupling makes it easy to use with most portables.. Incl
List Price: $ 51.98
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[wprebay kw=”standing+wave+ratio” num=”0″ ebcat=”-1″] [wprebay kw=”standing+wave+ratio” num=”1″ ebcat=”-1″]
Related Standing Wave Ratio Products
Nice Hamfest photos
Some cool Hamfest images:
Hamfest 2009 – FBT Mixer Pro 64 – tape echo – rear
Image by Evil Paul
Rear of the tape delay module. Good quality motor.
Hamfest 2009 – FBT Mixer Pro 64 – tape echo – front panel
Image by Evil Paul
Hopefully I can refurbish this and have myself a genuine tape delay unit.
Backscatter: Webster’s Timeline History, 1911 – 2007
Backscatter: Webster’s Timeline History, 1911 – 2007
Webster’s bibliographic and event-based timelines are comprehensive in scope, covering virtually all topics, geographic locations and people. They do so from a linguistic point of view, and in the case of this book, the focus is on “Backscatter,” including when used in literature (e.g. all authors that might have Backscatter in their name). As such, this book represents the largest compilation of timeline events associated with Backscatter when it is used in proper noun form. Webster’s timelines
List Price: $ 28.95
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Find More Backscatter Products
AirLink 101 ATVC102 Digital to Analog TV Converter Box w/Analog Pass Through
AirLink 101 ATVC102 Digital to Analog TV Converter Box w/Analog Pass Through
Hang on to that old analog television!Don’t ditch your old T.V. now that that signal’s gone to static, catch the digital signal with this AirLink 101 ATVC102 Digital to Analog TV Converter Box! This converter box takes digital television signals in through the RF input and converts them to analog signals for your old television. The ATVC102 also features an Electronic Program Guide and scans broadcast channels 2 through 69 automatically. It even has V-chip parental controls and a remote control,
List Price: $ 45.00
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Weather spotter’s field guide: a guide to being a SKYWARN spotter
Weather spotter’s field guide: a guide to being a SKYWARN spotter
Original publisher: [Silver Spring, Md.] : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Weather Service, [2011] OCLC Number: (OCoLC)747706060 Subject: Severe storms — United States — Observations — Handbooks, manuals, etc. Excerpt: … The Spotter’s Role Section 1 Hail Safety Large hail can cause serious injuries and damage to vehicles and buildings. Although fatalities attributed to hail are rare, it is the costliest weather element in the United Stat
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Amateur Radio DSB Transceiver
Describes a homemade 20 meter Double Sideband transceiver using NE602 chips and ceramic resonators
Video Rating: 4 / 5
FEATURE: Wilson Is City's "International High School"
Ham Shack 365.195
Image by loonyhiker
This used to be my computer desk in my office but since I was no longer using it, so I am giving it to hubby to use for his ham radio stuff. 7/14/10
FEATURE: Wilson Is City's "International High School"
She'd previously competed in Portugal in the 2010 FIVB Beach event, and for our photo she sported the two national championship medals she won in Atlanta and Reno, with the Sports Shack Volleyball Club. So what do four of the city's most elite athletes …
Read more on Gazette Newspapers
What We're Reading
Julia Moskin Bon Appétit: In Quebec, duck-fat pancakes, pea soup with foie gras, chef Martin Picard's passion for maple syrup and the gut-busting seasonal lure of the sugar shack. — Jeff Gordinier National Geographic Traveler: The fine honey of the …
Read more on New York Times (blog)
Latest Hamfest News
Satellite demo in Palm Springs
AMSAT area coordination Clint Bradford K6LCS will again be attending and demonstrating working ham satellites with minimal equipment at the third annual Desert Radio Amateur Transmitting Society (Desert RATS) HamFest on Saturday, January 28, 2012. …
Read more on Southgate Amateur Radio Club
Go, See, Do for Jan. 13
RADIO ACTIVITY: The Forsyth Amateur Radio Club will have a Hamfest and swap meet from 7 am to noon Saturday in the dining hall at Summit School, 2100 Reynolda Road. Admission is $ 5. For more information, visit www.w4nc.com. FOR THE BIRDS: The Audubon …
Read more on Winston-Salem Journal
Morse code
A few nice Morse Code images I found:
Morse code
Image by tanakawho
morse code
Image by jenny downing
Measuring Reflection Coefficient and VSWR
This video shows how to measure the reflection coefficient of a specific load impedance. It also shows how the length of line connecting the load to the measurement point affects the value of gamma.
Video Rating: 0 / 5
40 meter JT65-HF QSO – FT817 with 2.5 watts
This video shows my JT65-HF QSO I had to Hawaii with KH6SAT. I used a FT817 running 2.5 watts into a long wire antenna on 40 meters (7.076MHz). I turned down the power output to about 2 watts to remove any ALC marks on the FT817. This is the most distance I have covered with 2.5 watts. Washington state and Hawaii are about 2905 miles apart. 73, N7JFP
Video Rating: 5 / 5
Latest HF Digital News
Canon unveils new G1X all-in-one
The camcorders have a feature that's been missing from many video and still cameras but is common on smartphones — the ability to tap into a Wi-Fi network and upload material directly to the Web. However, the price isn't cheap. The VIXIA HF M52, …
Read more on The Journal News | LoHud.com
Latest Ham Radio News
Ham Radio Field Day ’05 1
Image by jasoneppink
Driving by Winship, I saw this antenna stuck in the ground with a wire running to a white truck. This is where I went to elementary school. Only later did I notice the sign. I think the new principal is my friend Sarah’s dad!
Radio Hams to help pilgrims
Ham Radio operators have set up control rooms to ensure effective and speedy communication on Makaravilakku day, Sunday, 15 January. Makaravilakku is an annual festival held in Kerala, India at the shrine of Sabarimala and attended by an estimated half …
Read more on Southgate Amateur Radio Club
ARRL Board of Directors Holds 2012 Annual Meeting, Okays Electronic Balloting …
Board members noted the countless hours over a span of more than three decades that he has devoted to ensuring the welfare of the ARRL and Amateur Radio through careful stewardship and wise counsel, which have been of great benefit to the ARRL and its …
Read more on ARRL
Amateur Radio a Plot Point in Major Motion Picture:
According to previews, the plot of the movie Journey 2: The Mysterious Island — set to be released February 10 — hinges on Amateur Radio. The movie's hero Sean Anderson (played by Josh Hutcherson) receives a coded distress signal that comes from a …
Read more on eHam.net
Lecture – 8 Digital Signal Processors
Lecture series on Embedded Systems by Dr.Santanu Chaudhury,Dept. of Electrical Engineering, IIT Delhi . For more details on NPTEL visit nptel.iitm.ac.in
We review some concepts from analog signal processing and introduce the terminology and notation of digital signal processing. Don’t worry too much about understanding every equation just yet. This lecture is adapted from the ECE 410: Digital Signal Processing course notes developed by David Munson and Andrew Singer
HF Antenna Setup
This is a video I made for my friend Derek to show him how I have my HF antennas set up in my small yard at my QTH.
Video Rating: 5 / 5
Video of the crane raising the antenna into place. Yes, we know it slammed into the crane…But we got that sorted out and put it into place.
Icom Radio News Number 5 1 of 2
On this episode host Ashley KI4MTU takes us on a tour of the K3LR superstation. We’ll also hear from Mark M0DXR as he operates K3LR in the morse code (CW) CQWW contest. The Radio Society of Great Britains IOTA program is also shown.
Video Rating: 4 / 5
The Arrl RFI Book (Softcover) Reviews
The Arrl RFI Book (Softcover)
List Price: $ 29.95
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[wprebay kw=”arrl” num=”12″ ebcat=”-1″] [wprebay kw=”arrl” num=”13″ ebcat=”-1″]
Monitoring transformers key to predictive maintenance
Monitoring transformers key to predictive maintenance
The latest technology used for remote transformer monitoring includes a combination of a remote terminal unit, a programmable language controller, a gateway (a network node equipped for interfacing with another network that uses different protocols), …
Read more on Windpower Engineering (press release)
NASA ISS On-Orbit Status 22 December 2011
Continuing his troubleshooting of the SEP (Electric Power System/EPS) power bus controller on channel B (uncommanded deactivation) begun on 12/19, Shkaplerov performed continuity checks (resistance measurements) with the MMTs-01 Multimeter on the BSK-7 …
Read more on Space Ref (press release)
U.S. Patents Awarded to Inventors in Arizona (Dec. 30)
A motor command is supplied to a motor control. The motor control is configured such that the first terminal of each stator winding is selectively coupled to a power source at a first duty cycle, and the second terminal of each stator winding is …
Read more on Targeted News Service (subscription)
Latest RTTY News
Listening to the world HDR – Shortwave and Radio Scanners
Image by Wanderlinse
Shortwave and VHF radios framed in a custom made wooden rack (15mm Multiplex). Multiband receiver Sony ICF-2001D, Sony ICF-7600D (1980s). Radio scanner handic 0080 (Realistic Pro 2006), Sony ICF-Pro80 (1990s). Voice recorder Philips Voicetracker 600. Antenna tuner Yaesu FRT-7700 (1980s).
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Taken with Canon G10, processed with PSE 8, HDR Photomerge. 2 different photos combined to one in manual mode.
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Kamera Canon PowerShot G10
Belichtung 1 sek.
Blende f/5.6
Brennweite 10.8 mm (50mm KB)
ISO-Empfindlichkeit 80
Belichtungskorrektur +1/3 EV
BlitzOff, Did not fire
X-Resolution 180 dpi
Y-Resolution 180 dpi
Latest Ham Antenna News
It Snowed Last Night but We Can't Stop Talking Baseball in December
You know suck the antenna. So completely and I've never seen you know — security people aren't. Tell me it's all about the clause in the — should be yet — this sport do you like better clog the clog the details of resorts are an idea what time …
Read more on WEEI.com
March in December (40s New Year's Eve; few inches Saturday night?)
Map courtesy of Ham Weather. Milder Than Average January? Based on the trends we're witnessing across North America (persistent westerly winds in spite of La Nina) a milder than normal January forecast from CPC (Climate Prediction Center) seems like a …
Read more on Minneapolis Star Tribune (blog)
Propagation de K7RA
But my 100 watts and 'rain gutter' antenna could not attract their attention. During the F2 opening on 6 meters on September 26 I heard F2 backscatter stations in Florida, Texas, Arizona and California." Joe Schroeder, W9JUV of Glenview, …
Read more on Southgate Amateur Radio Club
Amateur Radio In India, including: Hamsat, Congress Radio, Wireless And Planning And Coordination Wing, Amateur Radio Call-signs Of India, Amateur … Indian Telegraph Act, 1885, Hamfest India
Amateur Radio In India, including: Hamsat, Congress Radio, Wireless And Planning And Coordination Wing, Amateur Radio Call-signs Of India, Amateur … Indian Telegraph Act, 1885, Hamfest India
Amateur radio or ham radio is practised by more than 16,000 licensed users in India. Later that year, Mukul Bose (2HQ) became the second ham casino online france operator, thereby introducing the first two-way ham radio communication in the country. replacing three-letter call signs. The first short-wave entertainment and public broadcasting station, “VU6AH”, was set up in 1935 by E P Metcalfe, vice-chancellor of Mysore University. All amateur radio operators were sent written orders to surrender their transmitting
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IMG_0034.JPG
A few nice Backscatter images I found:
IMG_0034.JPG
Image by Dirkusmaximus
I love all those "OMG I TOTALY TOOK A PITCURE OF A GHOSTSSS!!!11" images. Flash backscatter, breath condensation, camera straps, stray hairs, fingers in front of the lens… well here’s a real ghost for you. BOO! 🙂
This "ghost" is taking a stroll down the College Run trail at Chippokes Plantation State Park in Surry, VA. The washed out area on his mouth was supposed to be his tongue sticking out, but I guess I pointed the flashlight too directly at the camera and it flared out. Oh well.
If you look at the background, you’ll notice the glow of headlights coming up around the hill. I’m surprised I didn’t have a ranger coming out there to ask me just what precisely the h3ll I thought I was doing. 😀
Schooling whiting
Image by Saspotato
My flash kept making too much backscatter 🙁 So I turned it off and used my torch, didn’t turn out great but to see this was awesome as there were *tonnes* of sparkling fish schooling around us
Sillaginodes punctata
Rye Pier
Wall Mural in Monterey
Image by Ed Bierman
Big mural on the side of Backscatter in Monterey.
Grid connected residential solar power inverter EMI and RFI.
This video was produced to answer the question that many people ask: Do residential grid connected solar power systems produce electromagnetic interference (EMI) and radio frequency Interference (RFI)? The medical condition associated with EMI is called Electromagnetic Hypersensitivity and Radio Wave Sickness (RWS). The system was producing approximately 900 watts of energy near solar noon in summertime with clear conditions.
5310-R Galaxy Single-Sideband Antenna
5310-R Galaxy Single-Sideband Antenna
The 5310-R is a hand-crafted antenna is a top performer for commercial vessels, yachts and larger sportfishing boats. Easily handles up to 1 kw input power. Shakespeare used all the tricks in the enginner’s book to ensure maximum range and efficiency. It’s strong, stiff, and tough – ideal for the rough-and-tumble of offshore voyaging. Designed as a 3-piece antenna form the ground up, so there’s no performance compromise. Brass and copper elements. Stainless steel ferrule with standard 1”-14 th
List Price: $ 659.95
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Latest Hamfest News
AR Newsline Report 1794 — Jan 6 2012:
Tom Medlin, W5KUB, has been Netcasting the Dayton Hamvention and Huntsville Hamfest for the past 10 years. He says that covering such events is a major undertaking for him that requires several months of preparation for each one that is live streamed. …
Read more on eHam.net
2012 Dayton Contest University
Important – as mentioned at CTU Dayton last year – if you want to sign up for CTU 2012 Dayton and you have given (or will give by Dayton 2012) a talk about Amateur Radio Contesting to any club, hamfest or group since May 20, 2011 – you qualify for a …
Read more on Southgate Amateur Radio Club
RTTY at Pacificon 2010
Demo of Teletypes Model 29 KSR, Model 19, and HAL ST-6000 at Pacificon 2010 in San Ramon, California. W8TTY set this up for rtty.com The two HAL modems appeared to be printing data and baudot art pictures from a computer feed, and the scope was showing the modulation.
Kenwood R5000 IC-10 Mod And Ham Radio Deluxe
A video showing the installation of the IC-10 (clone) chipset into my Kenwood R5000, and an initial hook-up to the PC with Ham Radio Deluxe. I mention at some point it cost something like …. Rubbish! it was inc P&P.
ve3cnu.blogspot.com Here is a short screen capture operating DM780, which is the digital communications software bundled with HRD. I’m using a Flex-3000 SDR radio, so there are no sound card interfaces involved. Everything is done via one Firewire cable to the radio.
Video Rating: 5 / 5
The Javelin spike antenna: Radiation patterns and voltage standing-wave ratio (NASA technical note)
The Javelin spike antenna: Radiation patterns and voltage standing-wave ratio (NASA technical note)
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Me operating N4OFA/R
Check out these ARRL images:
Me operating N4OFA/R
Image by digilink
Mike’s Arrival
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FOG!
Image by digilink
Morse Code: Coach Wrong to Use Players for Political Posture
Bletchley Park – Hut 8 – Morse code machines
Image by ell brown
Exhibitions inside Hut 8 at Bletchley Park. It was Alan Turing’s workplace during the war.
This is Hut 8 at Bletchley Park. The interiors. Hut 8 was where Alan Turing worked, and now houses a special exhibitons area.
It was the hut where the unit broke the German Enigma Naval messages, and where important figures such as Alan Turing and Hugh Alexander worked.
Various morse code machines.
Including typewriters.
Morse Code: Coach Wrong to Use Players for Political Posture
By George Morse Recently, I went to an Española Valley junior varsity boys basketball game so I could watch my grandnephew play. I'm still interested in how the Sundevils and Lady Sundevils are doing. While there, I talked with some parents of players …
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Endeavour Cracks The Morse Code
By Marion McMullen on Jan 8, 12 06:32 PM A young, wet-behind-the-ears Morse quickly discovered the truth of the saying when he set off on his first murder case. OK, the opera star he had the hots for was more curvy than plump, but she still managed to …
Read more on Coventry Telegraph (blog)
kenwood radio for sale
this radio is on ebay and this video was uploaded so people who viewed this on ebay could get a bettter look.
Video Rating: 0 / 5
Cool Skywarn images
Some cool Skywarn images:
IMGP2590
Image by Samuel Morris
IMGP2699
Image by Samuel Morris
IMGP2634
Image by Samuel Morris
Lekhwiya beaten by Boutahar brace
Lekhwiya beaten by Boutahar brace
Lekhwiya, who lost for the first time in the defence of their QSL title when they lost 1-0 to 2011 AFC Champions League winners Al Sadd, fell behind with quarter-of-an-hour of their Round 12 clash with Al Wakrah played when Dutchman Said Boutahar …
Read more on The Official Home of Asian Football
DX News — ARRL DX Bulletin #02:
QSL to home call. IRELAND, EI. In celebration of the 80th anniversary of the Irish Radio Transmitters Society, special event station EI80IRTS is QRV during all of 2012, including the upcoming CQ IR contest in March. QSL via EI4GXB. NEW CALEDONIA, FK. …
Read more on eHam.net
Umm Salal hold Al Rayyan; Al Jaish beat Al Khor
DOHA: In a rather surprising result, Qatar Stars League (QSL) minnows Umm Salal yesterday held Al Rayyan to a goalless draw. Al Rayyan, who lost to Lekhwiya last week, failed to spark against their lowly opponents, ending the round 12 match without a …
Read more on Peninsula On-line