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Ham radio: Old technology gets new respect
Fox News When power, phone and Internet services go down, a battery-powered amateur radio and portable antenna can provide that crucial link to the outside world. “Ham radio will never die,” said Barry Thomas, Sr., a ham radio enthusiast and employee at Emory … |
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Ham radio: Old technology gets new respect
Fox News When power, phone and Internet services go down, a battery-powered amateur radio and portable antenna can provide that crucial link to the outside world. “Ham radio will never die,” said Barry Thomas, Sr., a ham radio enthusiast and employee at Emory … |
Connecticut radio amateur Keith Mutch, KB1RBI, of Torrington, was on Ocean Beach looking out over New London Harbor the evening of May 4 when he spotted a young girl and her dog in distress in a canoe. The unidentified 12-year-old, not wearing a life vest, was attempting to paddle through rough water and increased winds when she got into difficulty.
Unable to contact authorities via his cell pho…
American Radio Relay League | Ham Radio Association and Resources
Software Defined Radio: Enabling Technologies (Wiley Series in Software Radio)
Software defined radio (SDR) is one of the most important topics of research, and indeed development, in the area of mobile and personal communications. SDR is viewed as an enabler of global roaming and as a unique platform for the rapid introduction of new services into existing live networks. It therefore promises mobile communication networks a major increase in flexibility and capability.
SDR brings together two key technologies of the last decade – digital radio and downloadable
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Related Software Defined Radio Products
US Made PL259 UHF Male Jumper – Andrew Commscope CNT-240 Coaxial Cable | Ham or CB Radio Antenna Coax UHF VHF HF Antenna RF Transmission Line PL-259 Connector LMR240 (29-feet)
- US Made Andrew CNT-240 is more flexible than Times Microwave Systems LMR-240 Coax
- Outer Jacket Material: Flexible UV Proof FR-PVC, Outer Diameter: .195(in) nom., SRL: per MIL-C-17/17A
- 5 feet of coaxial cable USA Made Andrew Transmission Line Coaxial Cable with Soldered Silver Plated Connectors Teflon Dielectrics
- Ultra low loss characteristics ensure the maximum performance of your installation
- Assembled by MPD Digital – a DoD Supplier – in our GA Facility using MILSPEC Components
MADE IN THE USA – Andrew CNT braided cables are constructed from the highest quality copper, aluminum, and polyethylene materials for superb electrical and mechanical performance. Andrew CNT cable solutions satisfy any application, indoors or outdoors, with robust outer jackets that shield them from abrasion and environmental damage. CNT provides an ideal balance of performance, flexibility, and economy. The bottom line? Andrew CNT cables are built to perform. Designed to Flex – Braided cable te
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My New Favorite Social Network Is Ham Radio
Business Insider Amateur radio, or ham radio, is "the use of designated radio frequency spectra for purposes of private recreation, noncommercial exchange of messages, wireless experimentation, self-training, and emergency communication." This means that people all … |
On a May 23 broadcast, Connecticut Public Radio station WNPR featured Amateur Radio and the ARRL as part of its “Where We Live” program, hosted by John Dankosky. During the segment, Dankosky and reporter Patrick Skahill, who also authors a science blog known as The Beaker, discussed the ARRL centennial and the rich history of Amateur Radio.
You can listen to the 12-minute segment at http://wnpr…
American Radio Relay League | Ham Radio Association and Resources
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Ham radio: Old technology gets new respect
Fox News When power, phone and Internet services go down, a battery-powered amateur radio and portable antenna can provide that crucial link to the outside world. “Ham radio will never die,” said Barry Thomas, Sr., a ham radio enthusiast and employee at Emory … |
This session combines the high speed analog signal chain from RF to baseband with FPGA-based digital signal processing for wireless communications. Topics in…
Video Rating: 5 / 5
SUBMIT YOUR QUESTIONS HERE: Click here to (attempt to) join! Software Defined Radio. this USB stick lets you listen to ALL the spectrum around ya! Shannon Mo…
Video Rating: 0 / 5
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Ham radio: Old technology gets new respect
Fox News When power, phone and Internet services go down, a battery-powered amateur radio and portable antenna can provide that crucial link to the outside world. “Ham radio will never die,” said Barry Thomas, Sr., a ham radio enthusiast and employee at Emory … |
Is Columbia University Mishandling LGBT Rape Cases?
“Literally every office that deals with survivors, from the deans themselves to Health Services to advising, every single office is complicit in the discrimination against trans* and queer survivors,” Ridolfi-Starr told The Daily Beast. “We see …
Read more on Daily Beast
Burnley fans celebrate promotion all over the world
Thousands of exiled Burnley fans tuned in via satellite television, radio and the internet to follow the news of their idols' day of destiny. A packed Turf Moor was the focus of their excitement, whatever distance they were away from East Lancashire …
Read more on Lancashire Telegraph
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Ham radio: Old technology gets new respect
Fox News When power, phone and Internet services go down, a battery-powered amateur radio and portable antenna can provide that crucial link to the outside world. “Ham radio will never die,” said Barry Thomas, Sr., a ham radio enthusiast and employee at Emory … |
A special thanks to Jimmy N4YR and all the repeaters owners for your hard work. If we don’t use these repeaters we will lose them. 73’s WD4AM Mike D. McCoy L…
Some cool Ham Radio images:
L1070329
Image by Nite_Owl
Raspberry PI / HSMM node pictures
Image by jnalexander
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Ham radio: Old technology gets new respect
Fox News ATLANTA – Seeking reliable backup communication in a crisis, emergency managers are finding new solutions in an old technology: ham radio. “It's just another avenue, another opportunity for us to be able to communicate,” said Herb Schraufnagel, public … |
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Contact Person: Steven Mobile: 86-13924179119 / 86-20-26298438 Email: bickle123@gmail.com Website: http://www.hairremovemachine.com/ Application: tightening …
Video Rating: 3 / 5
In this vlog show my progress building a software defined radio and discuss the online contention over the detector. This project will be presented in full w…
i show you my shack radio a little beat change since last video 4 years ago, but always my old KENWOOD TS850SAT in very good shape.
Amateur Radio volunteers in Serbia have been putting in long hours supporting rescue operations in the wake of unprecedented flooding in the Balkans that has affected Serbia, Croatia, and Bosnia-Herzegovina. Meteorologists have called the flooding the worst that Serbia has experienced in more than 100 years. The death toll stands at more than three dozen. CNN reported that 13 bodies had been re…
American Radio Relay League | Ham Radio Association and Resources
Using the Flame Wheel F550 MultiRotor to hang an amateur radio wire antenna in the trees.
Video Rating: 5 / 5
Stamps U.S Amateur Radio Scott 1260 BLOCK MNH
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ARRL Media and Public Relations Manager Sean Kutzko, KX9X, has added new 30-second radio/audio public service announcements (PSAs) to promote Amateur Radio and the 2014 ARRL Field Day.
The spot named “Amateur” talks about the meaning of the word amateur and how the Amateur Radio Emergency Service (ARES) helps during disasters. It includes an 8-second “bed” at the end for local clubs to provide c…
American Radio Relay League | Ham Radio Association and Resources
Testing ultra cheap SDR receiver based on Realtek RTL2832U (USB DVB-T Dongle). FM demodulation with RDS @ WRplus 🙂 http://sdr.ipip.cz/rtl-sdr.
HF Radio Unknown signal – 5.868 Mhz USB – 2011.03.11 – 10.20 UTC.
Video Rating: 5 / 5
Video Rating: 5 / 5
Amateur radio on hf. My radio shack.
Telford & District Amateur Radio Society GB8MD quote simon M3SET. It had been a weekend of difficulties and frustration, yet was also full of excitement and …
Hidden History: What Nazi-Tied Roots to US International Media Reveals About …
NSC 10/2 and Bloodstone are also chiefly responsible for the creation and bolstering of what at the time were two separate seemingly independent media outlets: Radio Free Europe and Radio Liberation from Bolshevism. "RFE/RL began in 1948 as a …
Read more on Huffington Post
How to do Radio Direction Finding with a Software Defined Radio (USRP/GNU Radio) http://spench.net/ | @spenchdotnet | http://twitter.com/spenchdotnet More in…
Anonymous AirChat uses Ham Radio Fldigi
Initially the data mode software AirChat used code from 'minimodem' and then from 'soundmodem' sources but they say after suggestions from radio amateurs involved in the Amateur Radio Emergency Service (ARES), they decided to make it modular to use …
Read more on Southgate Amateur Radio Club
Asian Trek for Radio Ham's B-47 Party Balloon
The balloon's eight-day journey took it over the United Kingdom, France, Italy, Greece, Bulgaria, Ukraine, Russia, Kazakhstan, Mongolia, China, North Korea before flying over Japan at an altitude of 11860 metres on Monday, May 5.
Read more on Southgate Amateur Radio Club
My next project, fitting a CB radio and mobile antenna into the radio Bergen. For using when I’m cycling, hiking or on longer distance Dxing. Your thoughts a…
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This video reviews the items available for sale at our Single Owner Ham Radio Equipment Auction to be held on Tuesday, July 24th. For more information and ph…
Video Rating: 3 / 5
This my my everyday carry kit for my USB Software Defined Radio Dongle. I used to just stuff the items in my laptop bag- but you can see it was tough on the …
Various ham radio repeater traffic during 4-3-2012 tornado outbreak.
Video Rating: 0 / 5
Big ass regulator for a BIG ass Hi-Fi radio that is going into my truck. Getcha pull! For Education only.
CAROLINA SUAREZ RADIO MOBILE. CONQUISTADORES-ITM REDES DE TELECOMUNICACIONES RTT62-1.
You can see from my previous video no matter what I suggest there are a half a dozen people they cannot even pass the technicians radio license test that wan…
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PSK 2013 Promo.
Testing a transmit problem that appeared yesterday. I tried RTTY, CW and AM. All modes show pretty much the same problem. I did remember to check the dummy l…
Video Rating: 0 / 5
George visited GigaParts in Huntsville Alabama for Ham Radio Day on March 16th. We take a look at the store and visit with some of the manufacturers reps to …
Video Rating: 4 / 5
I know the camera isn’t the best but it was just a short video. I will have a link to some good pictures I took later today. It has non Black Band Flashguard…
Check after overhaul, SM6VVT.
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You can hear the voice and see the fire and smoke caused by running high power on 40m. RF can fry you!
S-2000 ANT:Long wire(30m)+Antenna coupler CAT-10 26-Mar-2012 09:04(UTC) received in Japan QTH:北緯34度51分38.9秒 東経136度22分57.3秒 Elevation:165m.
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SWL of a QSO between JJ in South Africa and another station! I was stationary mobile at the time and parked on a farm out near Warwick, Queensland, Australia…
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NooElec NESDR Nano, Yellow: Tiny USB RTL-SDR & ADS-B Receiver Set w/ RTL2832U & R820T Tuner, MCX Input. Low-Cost Software Defined Radio Compatible with Many SDR Software Packages. ESD-Safe Antenna Input, Guaranteed
- NooElec NESDR Nano R820T-based SDR
- Tiny software defined radio, perfect for portable SDR applications
- RTL2832U & R820T for maximum compatibility with RTL-SDR software like Matlab
- Frequency capability of approximately 25MHz-1750MHz+
- Full warranty and support services
These units are custom made by NooElec to perform well for SDR, unlike the ‘generic’ models sold by competitors. This includes improved crystals and capacitors which assist in lowering the noise floor, increase stability and improve longevity.
We perform extensive QA on every batch sold. As with all our SDRs, we guarantee antenna protection will be present so that your new investment will not be quickly destroyed by spurious ESD. That’s before we even mention our warranty and support. Yes, we’r
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The 2014 Whiskey Off-Road Mountain Bike Event on April 26 in and around Prescott, Arizona, quickly developed into an emergency exercise for Yavapai Amateur Radio Club volunteers who were supporting communication for the 11th annual race. Some 2000 amateur and professional mountain bike riders took part in the 50-mile event. About an hour after it began, however, temperatures dropped, and riders…
American Radio Relay League | Ham Radio Association and Resources
Tropical Cyclone Ita
Radio Australia activated its purpose built shortwave outlet in Shepparton Victoria to beam the latest cyclone information into Queensland thousands of kilometres to its north. Jim Linton VK3PC Chairman IARU Region 3 Disaster Communications Committee.
Read more on Southgate Amateur Radio Club
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Volleyball Club successfully defends provincial U17 boy's title. An Edmonton radio station got itself into an ugly situation last week with a poll question on its website. If you agree with their question, it might be time for a … “That question …
Read more on Prince Albert Daily Herald
As of May 1, radio amateurs in Canada have a new allocation at 472-479 kHz. The 7 kilohertz sliver of spectrum is available to hams there on a secondary basis. Delegates attending the 2012 World Radiocommunication Conference (WRC-12) approved a secondary allocation between 472-479 kHz for the Amateur Radio Service, and telecommunications regulator Industry Canada subsequently proposed numerous …
American Radio Relay League | Ham Radio Association and Resources
Military Communications Market to Grow at a CAGR of 7.2% to 2019 in New …
RnRMarketResearch.com adds Latest Report on “Military Communications Market – (SATCOM Terminals, Commercial off The Shelf (COTS), Military Communication Security, Tetra Radio, JTRS, Software Defined Radio, Radio Communication, Tactical …
Read more on PR Web (press release)
Best of the Best: Tech Blog Roundup
[Balint] has a bit of history in dealing with software defined radios and cheap USB TV tuners turned into what would have been very expensive hardware a few years ago. Now [Balint] is finally posting a few really great GNU Radio tutorials, aimed at …
Read more on NewsFactor Network
Ericsson tips its hat to virtualization, splits networks division
While Ericsson remains a leader in radio-based technologies, it needs to reposition to meet the competition when it comes to virtualization, including software-defined networking (SDN) and network functions virtualization (NFV). "In the cloud and IP …
Read more on FierceWireless
JUMMAX RTL2832U USB DVB-T & RTL-SDR Receiver, RTL2832U & R820T Tuner, MCX Input. Low-Cost Software Defined Radio Compatible with Many SDR Software Packages. R820T Tuner & ESD-Safe Antenna Input, Guaranteed,RTL2832U R820T DVB-T SDR DAB FM USB DIGITAL TV Tuner Receiver RTL-SDR Project + DAB dongle Tuner For Laptop PC
- Realtek RTL2832U & R820T USB DVB-T Receiver Tuner
- Fit for RTL-SDR Project DVB-T Tuning Range
- Terratec Original DVB-T FM + DAB
- Up for sale is based on the R820T (can be the replacement of E4000)tuner IC made by Rafael Mirco
- Chip is R820T, the frequency range 25-1700MHz
Feature:Sticks with this combination (RTL2832 + R820T) are relatively new on
the market. The main difference to all the other supported tuners so
far is that it uses a Low-IF (3.57 MHz) architecture instead of
Zero-IF. That means the tuner is only connected to the In-Phase ADC
input, and the internal down converter of the RTL2832 is generating the
complex samples. This has the benefit of having no DC offset spike in
the middle of the spectrum.
So far the tuner dr
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Times Microwave LMR-400 PL259 Coax Ham or CB Radio Jumper Antenna Coaxial UHF VHF HF Coax Cable Jumper RF Transmission Line PL-259 Connectors – Made in USA – (3 ft US Made LMR-400 coaxial jumper)
- This is Genuine US Made LMR400 LMR-400 – a Registered Trademark of Times Microwave Systems
- PL-259 UHF coax cable connectors – Connects Antennas, Receivers, Meters and Radio transmitters
- USA Made LMR-400 Transmission Line Coaxial Cable with Soldered Silver Plated Connectors Teflon Dielectrics
- Assembled by MPD Digital – a DoD Supplier – in our GA Facility using MILSPEC Componants
- Impedance 50 Ohms Frequency Range DC ~ 11 GHz – PL-259 Connectors are not recomended for use above 300Mhz (See N Male options)
This Genuine Times Microwave USA Made LMR-400 coaxial cable was developed to provide an extremely low loss alternative with the transmission characteristics of hardline coaxial cables and the flexibility required for WiFi, Ham and CB Radio installations. Times Microwave systems, designs and manufactures high
performance coaxial cables, connectors and cable assemblies for a broad range of RF transmission applications. For more than 50 years, Times has been the leader in the development of new ca
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RioRand DVB-T USB Receiver & Low-Cost Software Defined Radio (SDR) – Realtek RTL2832U + Elonics E4000-Based
- Powered by RioRand advanced technology
- RTL-SDR, compatible with most major SDR software packages!
- Frequency capability of approximately 64-2300MHz
- Frequency range can be expanded down to 300kHz with our Ham It Up upconverter
- IMPORTANT: This device CANNOT be used to receive OTA television within North America which uses the ATSC standard.This device CAN be used within North America and anywhere else as a low-cost software defined radio receiver with the appropriate software.
These DVB-T dongles have new-found popularity since it was discovered they can be used as very inexpensive software defined radios. Since these are based on the Elonics E4000 tuner IC they have a very large tunable range of 64-2300MHz. The connector type of the antenna is male PAL aerial and the USB board female PAL aerial. Included with purchase: 1pc USB dongle 1pc metal antenna 1pc antenna mount 1pc software & guide
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Putting together a HAM Radio Emergency Go-Kit. See the contents of a VHF/UHF HAM station on wheels assembled by the Benicia Amateur Radio Club (BARC). Part 3…
Video Rating: 0 / 5
In this comparison, both radios are using the same antenna through a selector switch. The sound is being processed through my computer soundcard for both rad…
To get the best audio out of your ICOM 7000 is learning how to adjust your audio settings. Adjusting your audio for Bass, reduced bass and narrow audio for D…
Video Rating: 4 / 5
Amateur radio club working on emergency communications preparedness in Estes
Emergency communications capabilities that are being implemented through the Estes Valley Amateur Radio Club are beginning to be linked with other communications systems that may include the Estes Park Medical Center and Front Range hospitals, the …
Read more on Estes Park Trail-Gazette
Astronaut Live Amateur Radio Digital TV Test from the ISS:
Japanese Astronaut Koichi Wakata, KC5ZTA, served as the host for a successful final commissioning test pass April 13 for the Amateur Radio on the International Space Station (ARISS http://www.ariss.org) "Ham Video http://www.ariss-eu.org/HamVideo.pdf" …
Read more on eHam.net
A behind the scenes look at the Ham radio gear used on the set of Tim Allen’s Last Man Standing.
Video Rating: 4 / 5
Foxnovo DVB T USB TV RTL SDR FM DAB Radio Tuner Receiver Stick Realtek RTL2832U R820T
- 1. Fully DVB-T Compliant;
- 2. 2K or 8K FFT Size;
- 3. Bandwidth: 6/7/8 MHz Auto Select
- – De-Multiplexing
Attention: This tuner will NOT work within USA, Canada, Japan and Singapore due to different digital standards. Description The item is a mini digital TV stick, which can turn you computer into a digital TV. You now have all the options you need for watching your favorite TV shows and play FM radio and DAB digital radio on your computer. You can record and convert them with enclosed converting software. Then you can send them to your iPod by itunes or other MP4 device, so you can watch them any
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Vantech Mini P160 RTL2832U R820T DVB-T SDR DAB FM USB DIGITAL TV Tuner Receiver RTL-SDR Project + DAB dongle Tuner For Laptop PC Windows 8 / 7 White
- Spuer mini Realtek RTL2832U & R820T USB DVB-T Receiver Tuner
- fit for RTL-SDR Project DVB-T Tuning Range (approximate)
- Runteck Original DVB-T FM + DAB
- Up for sale is based on the R820T (can be the replacement of E4000)tuner IC made by Rafael Mirco
- Chip is R820T, the frequency range 25-1000MHz
Sticks with this combination (RTL2832 + R820T) are relatively new on
the market. The main difference to all the other supported tuners so
far is that it uses a Low-IF (3.57 MHz) architecture instead of
Zero-IF. That means the tuner is only connected to the In-Phase ADC
input, and the internal down converter of the RTL2832 is generating the
complex samples. This has the benefit of having no DC offset spike in
the middle of the spectrum.
So far the tuner driver com
List Price: $ 15.89
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Recorded whilst mobile in my car on the Gold Coast, east coast of Australia.
Recorded whilst mobile on the Gold Coast, Queensland Australia.
Video Rating: 0 / 5
Amateur Radio propagation and solar phenomena authority Carl Luetzelschwab, K9LA, said in an April 27 webinar, “Are We Headed into Another Maunder Minimum? What Does That Mean for Propagation?” that most solar scientists believe several low solar cycles lie ahead, ushering in periods of diminished HF propagation, especially on the higher bands. Luetzelschwab, who maintains K9LA’s Amateur Radio …
American Radio Relay League | Ham Radio Association and Resources
This is a quick video I knobbled together yesterday, to support my part of tuition in a weekend course for the New Zealand Amateur Radio Certificate. Vaughan…