A History of QST – Volume 1: Technology 1915-2013

A History of QST - Volume 1: Technology 1915-2013

A History of QST Volume 1: Amateur Radio Technology captures important technical contributions, adaptations, and syntheses of technology throughout Amateur Radio s first century. Through a collection of QST pages and other ARRL publications, a commentary of multiple authors reviewed the Amateur Radio literature, selecting imperative advances in the state of the art and articles that illustrate them. Each is preceded by a short introduction explaining the article’s significance and relevance. As

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A greeting from Lithuanian President Dalia Grybauskaite was transmitted via LituanicaSAT-1. Grybauskaite may be the first head of state to send a message via an Amateur Radio satellite — her country’s first. Using a handheld radio and the call sign LY5N, she transmitted through the satellite’s FM voice transponder. Her words, “Greetings to all Lithuanians around the world!” were recorded on a …

American Radio Relay League | Ham Radio Association and Resources

Check out these software defined radio images:

EzTV 666 USB DVB-T dongle

Image by csete
EzTV 666 DVB-T dongle is based on the RTL2832U chip and E4000 tuner and can be used as cheap software defined radio receiver between 64 MHz and 1.7 GHz.

Hama Nano

Image by synx508
USB Tuner that can extract up to 3MHz of radio spectrum from anywhere between about 40MHz and 1.7GHz in 8 bit I/Q and poke it down USB for use by a software defined radio (WinRad, HDSDR or GNU Radio).
The Hama Nano is supposed to be a DVB-T dongle, but an undocumented feature in its Realtek chipset opens it up as a general purpose tuner sending raw samples to a software radio.

Update from VK9MT @ 1130 UTC 2014-04-04:

1. The winds continue to be very strong.
2. We experienced antenna damage and are reassessing the antenna situation, we have alternatives.
3. We are running 4 stations tonight due to antenna damage.
4. The generators and radios are doing well.
5. The KPA-500 power amplifiers are doing well.
6. The operating tents are holding up well, but the break tent is dama…

American Radio Relay League | Ham Radio Association and Resources

Whirlpool® APR25530L Whispure 190-CADR Electronic Air Purifier with True HEPA Filter

Whirlpool® APR25530L Whispure 190-CADR Electronic Air Purifier with True HEPA Filter

  • Filters Air 4.8 Times per Hour in a 307 sq ft Room
  • Quiet and Easy to Use Electronic Controls
  • True HEPA filter to capture 99.97% of particles as small as 0.3 Microns
  • Clean Air Delivery Rate (CADR) 190
  • 3 Fan Speeds, Sleep Mode, Timer, Remote Control

True HEPA filtration captures 99.97% of particles as small as 0.3 microns. Removes airborne allergens such as dust, pet dander, pollen, tobacco smoke, fabric fibers and mold spores from medium-sized rooms up to 307 square feet. LCD electronic control features an Auto Mode which automatically sets fan speed to one of three speeds based on air quality. Air Quality monitor displays the air quality level for dust particles and VOCs. VOC-SENSE detects volatile organic compounds, gases and fumes. A ch

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Average daily sunspot numbers declined over the past reporting week (March 27 to April 2) from 135.6 to 130.4, compared to the previous seven days. Likewise, average daily solar flux drifted lower, from 153.2 to 149.

The current prediction (from USAF/NOAA on April 3) has solar flux at 155 on April 4, 160 on April 5-8, 150 on April 9-10, 140 on April 11, 135 on April 12-13, then 140 and 145 on Ap…

American Radio Relay League | Ham Radio Association and Resources

How to build a J-pole antenna for the 11 meter CB Radio band. For more information visit http://www.amateurradio.bz/cb_radio_j-pole_antenna.html.
Video Rating: 4 / 5

It shows the assembling of the wire antennas of the ZY0F team at Fernando de Noronha Island in 2009. ——————————————————–…
Video Rating: 5 / 5

ZY0F visited PY0FF – Andre and appreciated his wonderful set of antennas. ———————————————————————————–…
Video Rating: 5 / 5

Former Cox Radio San Antonio Chief Engineer Dies
Schuh spent the bulk of his career with Cox Media, where he was chief engineer for KSMG(FM) and KISS(FM). His obituary lists his passions as “broadcasting, ham radio, flying, and most importantly — his grandchildren.” A memorial service will be held …
Read more on Radio World

OSCAR 7 and 73 – The old and the new
… designed by Martin Ehrenfried, G8JNJ, the installation of pre-amplifiers by Noel Matthews, G8GTZ, and a new PC build by Phil Crump, M0DNY have helped to dramatically improve the overall performance, especially on the 2m and 70cm Amateur bands.
Read more on Southgate Amateur Radio Club

Hundreds of activists rally at heated hearing on oil pipeline
Several hundred activists rallied in St. Paul before speaking at a PUC hearing, according to Minnesota Public Radio. They object because much of the oil that the pipeline carries comes from the oil sands of Alberta, … “My hope is that someday I will …
Read more on FuelFix (blog)

As is well known to all, World Amateur Radio Day (WARD) is celebrated every April 18 to commemorate the 1925 creation of the International Amateur Radio Union (IARU) in Paris, France. The IARU’s job is to watch over the interests of the Amateur Radio community around the world. Each year WARD has a different theme and in 2014 the theme is “Amateur Radio: Your Gateway to Wireless Communication.”…

American Radio Relay League | Ham Radio Association and Resources

Video Rating: 0 / 5

The FCC has taken the opening steps on its proposal (ET Docket 13-49) to make available another 195 MHz of spectrum at 5 GHz for Part 15 unlicensed National Information Infrastructure (U-NII) devices. U-NII devices use “wideband digital modulation techniques to provide a wide array of high data rate mobile and fixed communications for individuals, businesses, and institutions,” the FCC has expl…

American Radio Relay League | Ham Radio Association and Resources

A few nice software defined radio images I found:

HackRF smoke testing: GSM tower

Image by csete
Gqrx SDR plotting 20 MHz wide FFT spectrum around 950 MHz using a HackRF Jawbreaker. HackRF is software defined radio transceiver covering 30 MHz – 6 GHz.

HackRF smoke testing: Receiving two DAB muxes

Image by csete
Gqrx SDR plotting 20 MHz wide FFT spectrum containing 2 DAB muxes using a HackRF Jawbreaker. HackRF is software defined radio transceiver covering 30 MHz – 6 GHz.

GAREC-14 Huntsville website is alive
The America Radio Relay League (ARRL) Alabama Section and the Huntsville Hamfest, have announced further details of the Global Amateur Radio Emergency Communications (GAREC) Conference in August. Held in Huntsville, Alabama, it will be on …
Read more on Southgate Amateur Radio Club

A magnitude 8.2 earthquake occurred off Northern Chile on April 1, and a powerful 7.6 magnitude aftershock rocked the area on April 3. After the initial temblor, the Radio Club de Chile activated in collaboration with ONEMI, the National Emergency Office of the Ministry of Interior and Public Security.

Radio amateurs established an emergency communication net using 7.050 and 14.255 MHz, accordin…

American Radio Relay League | Ham Radio Association and Resources

Roku Streaming Stick (HDMI Version) review
It also trades the Roku 1's legacy standard-definition composite video output for the much more useful dual-band Wi-Fi radio used by the Roku 2 and Roku 3 for a faster, more stable connection. Once you plug the Roku Streaming Stick into an HDMI port …
Read more on ITProPortal

Tips on How to Start Learning Linux
First, read the introductory tutorials: Read the documentation of your distribution, articles over the Internet about the basics on how it works, what programs does it offer, learn how to install software using the package manager, and start learning …
Read more on LXer (press release)

Mira III Acquisition Corp. Announces Merger Agreement with Wind Power
… consolidated Wind Power Share for every 1.557612 pre-consolidated Wind Power Shares (the "Wind Power Consolidation") (and ultimately entitling the holder thereof to acquire one Resulting Issuer Voting Common Share (as such term is defined below …
Read more on Wall Street Journal

Inaugurazione dei nuovi uffici QSL Italia

Opening del 27 settembre 2013 presso la nuova sede QSL di Milano. Una festa durata 10 ore, durante la quale i QSLBP di italia e spagna si sono incontrati ins…

NOAA’s Space Weather Prediction Center (SWPC) has reported that a brief radio blackout “event” occurred on March 29 at 1748 UTC, the result of an “impulsive” or short-lived R3 (strong) solar flare. Extreme ultraviolet radiation from the X-1 class event “sent waves of ionization rippling through Earth’s upper atmosphere and disturbed the normal propagation of terrestrial radio transmissions,” Sp…

American Radio Relay League | Ham Radio Association and Resources

Washington Gov Jay Inslee has signed into law legislation aimed at providing a safer “flying environment” for pilots of aircraft engaged in “low-flying activities,” such as crop dusting and search-and-rescue. The new law includes provisions to alert pilots to “guyed towers that may be erected at short notice” that might be hard to see and pose an air safety hazard, and it contains specific mark…

American Radio Relay League | Ham Radio Association and Resources

Nỗ lực tìm kiếm tàu cá cùng 11 ngư dân bị “khống chế bằng súng”
Theo bà Hoa, bà biết tin này và báo cho MRCC Nha Trang là do ông Phan Hoan, một chủ tàu cá trong khi nói chuyện qua Icom thì nghe ông Canh nói bị phía Philippines bắt. Thời điểm đó, tàu của ông Hoan đánh bắt cách vị trí tàu ông Canh khoảng 34 hải lý.
Read more on Dân Trí

Rok 2013 přinesl rekordní tržby i prodeje
Mezi její významné zákazníky patří například firma ICOM trasport, díky které se autobusy z Vysokého Mýta vrátily na linky obsluhující město, v němž výrobní závod sídlí. Na slovenském trhu republiky dosáhl prodej autobusů Iveco Bus 189 vozidel.
Read more on Dopravní Noviny

Dzień Wolnej Sztuki w Kazimierzu
Jest jednym z założycieli Forum Edukatorów Muzealnych oraz członkiem Międzynarodowego Komitetu Muzeów (ICOM). W wydarzeniu biorą udział również inne muzea, m.in.: Muzeum Narodowe w Kielcach, Muzeum Narodowe w Poznaniu, Muzeum Śląskie, …
Read more on Kazimierski Portal Internetowy

Getting nearer to the Store in Fitzherbert Spur – not far to go now !!

This is a quick and dirty video that explains how to program the Connect Systems CS700 radio for use in Amateur Radio. CS700 Page, where you can find the pro…

In comments filed in response to the FCC’s February 14 Report on Process Reform (GN Docket 14-25), the ARRL has called for a more visible, responsive Amateur Radio enforcement program. The League also said it was concerned that FCC policies for adjudicating certain complaints of interference to radio amateurs, especially those involving electric utilities, provide no incentive for the utilities…

American Radio Relay League | Ham Radio Association and Resources

This video introduces steps to successfully complete the the Technician Class license for Ham Radio. The Technician Class license is the entry-level license …

The ARRL will be on hand April 5 to 10 as more than 100,000 visitors descend on Las Vegas to attend the annual National Association of Broadcasters (NAB) Convention. Hundreds of Amateur Radio operators are expected to be among them at the Las Vegas Convention Center.

ARRL Pacific Division Director Bob Vallio, W6RGG, will join local ham radio volunteers in staffing the ARRL booth. Jim Bilan, W7UX…

American Radio Relay League | Ham Radio Association and Resources

Yaesu FL-2100B.
Video Rating: 4 / 5

Video Rating: 4 / 5

Check out these Ham Radio images:

20100619_0002_1600x1067

Image by Les_Stockton
Paul drove all the way from northeast Missouri. He brought a cool setup where he had a 5 watt solar panel, hooked up with this little portable battery unit from WalMart; and he powered his Ham radio system, as well as a laptop computer.

A new QST QuickStats poll has been posted! Check the QuickStats page and answer these questions . . .

How often do you upload contacts to Logbook of The World?

Have you worked any of the W1AW ARRL Centennial stations?

Do you buy parts for your homebrew projects locally or online?

Do you make your own printed circuit boards?

Visit the QuickStats page and be sure to bookmark it in your browser. Result…

American Radio Relay League | Ham Radio Association and Resources

Final Part of this three part series showing performance of this mobile CB radio antenna. The IC-100 is made by New Tronics Antennas under the Hustler brand …
Video Rating: 4 / 5

DIY 40m Band ½ Wave Dipole Antenna for working around 7.15 MHz. Video by NZRadioGuy.
Video Rating: 5 / 5

#1260 – 1964 5c Amateur Radio Postage Stamp Numbered Plate Block (4)

#1260 - 1964 5c Amateur Radio Postage Stamp Numbered Plate Block (4)

  • Collectible Postage Stamps

THIS IS A NUMBERED PLATE BLOCK OF 4 STAMPS

List Price: $ 0.01

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GLACIER NATIONAL PARK ROAD TRIP 15 — 24 July, 2011 Download the GNP Road Trip COMM Plan PDF http://www.box.net/shared/rhlxfx7i4t85ksekgaj7 Let’s have a QSO!…
Video Rating: 4 / 5

Amateur Radio operators and federal government stations are engaged in a 12-day nationwide test of their capability to communicate with each other on HF in the event of an emergency or disaster. The High Frequency Interoperability Exercise 2014 (HFIE-2014) is running concurrently with the federal National Exercise Program (NEP) 2014. Activity is taking place on two of the five 60 meter channels…

American Radio Relay League | Ham Radio Association and Resources

Amateur Radio

Amateur Radio

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Check out these Yaesu images:

SAM_0298

Image by zoption

SAM_0318

Image by zoption

SAM_0272

Image by zoption
TYT TH-9800 – Professional Automotive Quad Band 29/50/144/430MHz Transceiver

Output Power:
50/20/10/5W (29/50/144MHz)
40/20/10/5W(430MHz)

Because of a technical error, many of the hyperlinks in the March 27 edition of The ARRL Letter distributed via e-mail were broken. Hyperlinks are corrected in the ARRL website edition of The ARRL Letter.

We are e-mailing a revised edition of The ARRL Letter (dated March 28, 2014)  to subscribers, which should arrive later today.

We apologize for any inconvenience.

American Radio Relay League | Ham Radio Association and Resources

Solar activity increased over the past week, with average daily sunspot numbers rising from 129 to 135.6, while average solar flux increased by nearly 13 points to 154.3. This compares the recent March 20-26 period with the previous seven days, March 13-19.

The latest predicted solar flux from the current 45 day forecast has 10.7 cm flux values at 145 on March 28-29, 140 on March 30 through Apri…

American Radio Relay League | Ham Radio Association and Resources

Quick & Short Primer on Starting “Simon Brown – HB9DRV” SDR-Software Defined Radio. Visit http://www.SDR-Radio.com P.S. Sorry for low budget video quality, j…
Video Rating: 4 / 5

Video Rating: 5 / 5

Video Rating: 0 / 5

Transceptor Yaesu VX-3R na funçao de “radio escuta” alem do que esta no video ainda recebe muito mais como serviços de segurança etc. e transmite nas frequen…

W1TP at Flea Market at “HAM RADIO 2009” in Friedrichshafen (Bodensee)

Image by gynti_46
W1TP Perera’s Telegraph Collectors Guide is for all morse key collectors standard reference.
Many information about my morse keys on my page was source – om Tom "W1TP".

www.dl1hqe.de/cw/0_parade/2_parade_all.html

w1tp.com/tcrcd.htm

w1tp.com/enigma/

Birmingham Amateur Radio Club hosts BirmingHAMfest 2014
The Birmingham Amateur Radio Club (BARC) hosts the annual event which includes forums, a flea market, product and equipment vendors, license exams and hourly door prizes. The hamfest is Saturday and Sunday, March 1 and 2 Doors open Saturday 9 …
Read more on Alabama’s13.com

LituanicaSAT-1 Ham Radio CubeSat
The team ask radio amateurs and SWL's to listen for the FM Morse code beacon on 437.275 MHz after deployment and submit reports (see Tracking below). They say there will be Mission emblem stickers with signed QSL cards and for the first 10 registered …
Read more on Southgate Amateur Radio Club

Katie Allen, WY7KRA, Named CQ Sales and Marketing Manager:
An active DXer and contester who recently earned her Extra Class license, Katie entered the world of amateur radio as the ARRL's Membership Manager in the 2000s, earning her first ham license under the guidance of other League staff members. She then …
Read more on eHam.net

The VK9MT Mellish Reef DXpedition is preparing to take to the airwaves this weekend. “Team Mellish” has arrived at Mellish Reef “after 3 miserable days of nasty seas,” a report from the group said. Their equipment is going ashore, and VK9MT should be on the air “sometime” on Saturday, March 29, a day later than initially announced.

The operators will not communicate via e-mail during their 10 da…

American Radio Relay League | Ham Radio Association and Resources

Some cool Skywarn images:

OWLIE SKYWARN
Skywarn
Image by emma.maria
metinic island, me

CRW_8884: Skywarn Station
Skywarn
Image by ac4lt

Amateur Radio Ladder Tower (A.R.L.T.) V.1. Ham Radio Outlet http://www.hamradio.com/detail.cfm?pid=H0-000022 X50A Dualband Base/Repeater Antenna http://www.r…

Arizona Near Space Research plans to launch a high-altitude balloon flight, ANSR-81/ASCEND!-17, on March 29, 2014 at 0900 MST (1600 UTC). The flight from the University of Arizona Maricopa Agricultural Center (DM43ab) will be the 17th in a series of ASCEND! flights sponsored by the Arizona Space Grant Consortium.

The payloads will contain a variety of scientific apparatus designed and construct…

American Radio Relay League | Ham Radio Association and Resources

Video Rating: 0 / 5

Installing a Channel Master 1.2m dish for Sky abroad http://www.satcure.co.uk.

A few nice software defined radio images I found:

FIFI-SDR by DL2HVM om Michael

Image by gynti_46
Dieser FIFI hört auch, es handelt sich um einen digitalen Breitbandempfänger.
( SDR – Software Defined Radio )

Das FiFi-SDR wurde als Bastelprojekt für den ​Fichtenfieldday (FiFi) 2010 vorgestellt. Es handelt sich um einen günstigen und kompakten softwaredefinierten Empfänger

Compiling

Image by Rico-san
A shot of my laptop, installing GNU Radio for my undergraduate research on software-defined radio.

For this photo, I kept the shutter open for a bit of time, as the terminal text scrolled by. Made for a great effect. I like :-).

AMSAT Board Member and Vice President-Engineering Anthony J. “Tony” Monteiro, AA2TX, of North Andover, Massachusetts, died March 26. He was 55. First licensed in 1973, he reported making his first ham radio contact with a transmitter made using parts from an old TV set.

“A Heathkit HR-10B receiver and a 65-foot piece of wire strung out of a window for an antenna made up the rest of my station, w…

American Radio Relay League | Ham Radio Association and Resources

How I built a five element 70 cm yagi antenna with a gamma match. Part 1: Parts and plans.

Trying out the new QRP rig with 4 Watts output.
Video Rating: 5 / 5

Ham Radio Volunteers Staff Shelters, EOC in Washington Landslide Response:
eHam.net
Amateur Radio volunteers are on hand at the Snohomish County, Washington, Emergency Operations Center (EOC) and supporting communication with American Red Cross shelters set up in the wake of the disastrous and tragic landslide on March 22 near …

and more »

ham amateur radio – Google News

With a U.S. dongle intended for picking up European digital television broadcasts, a TV antenna, and some free software, it’s possible to decode a huge v…
Video Rating: 5 / 5

Skywarn net audio during tornado outbreak in central Arkansas on 4-25-2011.

Exams for amateur radio 'Ham' licenses set for Saturday, April 12
Huntington Herald Dispatch
HUNTINGTON — Examinations for amateur radio "Ham" licenses will be conducted beginning at 9 a.m. Saturday, April 12, at the Museum of Radio and Technology, 1640 Florence Ave. All examination elements will be offered for all Amateur Radio License …
Florence HamFest 2014Southgate Amateur Radio Club

all 2 news articles »

ham amateur radio – Google News

KX3 Companion

KX3 Companion

  • Send and receive CW, PSK31 and RTTY using your device keyboard
  • Read and Write messages with room for hundreds of characters (depending on your mobile phone or tablet screen size)
  • Record full QSO logs (everything you send and receive is recorded and saved in a text file) and log your QSO data (date, time, mode, frequency, call, name, qth and locator) in CSV format.

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NOAA 19 weather satellite october 5th 2012

NOAA 19 weather satellite heard on october 5th 2012 on 137.100 Mhz with Icom IC R8500 using computer control and ham radio deluxe software.
Video Rating: 5 / 5

How to get and print your Ham Radio Nation member certificate.

A few nice ICOM images I found:

Image1910
ICOM
Image by muuranker
Me with a perm, and other ICMAH board members. Early 1990s

Balance
ICOM
Image by gwendolen
Waddenboulevard II

The ARRL’s servers will undergo scheduled maintenance the evening of March 26, from 7 to 10 PM. During this time, there will be no user access to Logbook of The World (LoTW), the online DXCC system, or the website for the ARRL Centennial QSO Party. The main ARRL website should be unaffected.

 

American Radio Relay League | Ham Radio Association and Resources

Digitalradio-Co-Prozessor auf Basis der SoftwareDefinedRadio-Technologie
Der Digitalradio-Co-Prozessor SAF360x basiert auf der Software-Defined-Radio-Technologie von NXP und unterstützt alle gängigen digitalen Radiostandards wie DRM, HD Radio und DAB/DAB+/T-DMB für besten Hörfunkempfang im Auto.
Read more on Elektronikpraxis

State of Content Marketing: You Say You Want a Revolution?
That's the term that Brian Alvey, the man who built the software underlying three generations of digital publishers, uses to describe a buzz in the marketing industry that has reached crescendo over the last twelve months: Advertisers don't want to …
Read more on Pulse