SWR
W6LG, Jim, shows the loss in RG8X in a simple demonstration without using Algebra and Smith Charts.
Antenna
Air ‘Discus’- Low Profile Magnetic VHF 2m Antenna
Air ‘Discus’- Low Profile Magnetic VHF 2m Antenna : 145.500MHz centre, +/-4MHz Power – 100W Omni Imped – 50 ohm VSWR – 1.5:1 Gain -2dB Radiator – Alum... Read more
Low Cost HF Portable Antennas
“HF Mobile whips can make great portable antennas. Maybe you already have some. A couple of single band models may cover your needs. Here we loo... Read more
Comet HFJ-350M Portable HF antenna -9 Bands
The Comet FHJ-350M, Portable 9-Band, 1/4 wave base loading telescopic antenna for HF through 6M. Frequency can be changed by means of shorting plug. C... Read more
Heights Tower and SteppIR DB-18 Beam at N6GR (#243)
“Last month while visiting Brad Rich, N6GR, he gave me a tour of his nearly-completed 69-foot foldover tower and his SteppIR DB-18 antenna. He a... Read more
News
It’s Never Too Late to Upgrade
George “Buck” Miner, K6RFE, of Sun City, Arizona, has been an active ham since earning his first license in 1956, upgrading to a General-class license... Read more
ARRL Opposes FCC Plan to Delete the 3.4 GHz Band
ARRL has filed comments opposing an FCC proposal to delete the 3.3 – 3.5 GHz secondary amateur allocation. The comments, filed on February 21, are in... Read more
Baofeng DM-1701 Dual Band DMR HT
Baofeng DM-1701 “Another DMR HT from Baofeng, this is the DM-1701, which isn’t all that unique, really. That doesn’t mean that is a... Read more
ICOM IC 7300 was stolen from the ARI Ferrara IQ4FA
“We received this ugly surprise; in detail an ICOM IC 7300 was stolen, of course, of course the freshman of the apparatus has already been repor... Read more
VHF
Yaesu FTM-300DR C4FM Dual-Band
Yaesu FTM-300DR 50W C4FM/FM 144/430MHz Dual-Band Digital Mobile Transceiver The new FTM-300DR provides stable and reliable 50W RF power output. As in... Read more
Successful 47 GHz Amateur Radio Moonbounce Test Reported
Mitsuo Kasai, JA1WQF, successfully decoded a 47 GHz signal bounced off the moon on February 10 by Al Ward, W5LUA. More tests are planned. Ward posted... Read more
2020 Summer VHF/UHF Field Day Contest
“The 2020 VK Summer VHF/UHF Field Day, a ham radio contest was held on the weekend of January 18th and 19th. The contest is split into either an... Read more
Setting up APRS on the Yaesu FT3DR Handheld Transceiver – Ham Radio Q&A
Compact Design and Reliable 5W RF Power Output (Selectable 5W/ 2.5W/ 1W/ 0.3W) C4FM Digital V/D Mode, Voice FR Mode, Data FR Mode and Conventional FM... Read more
App - Mobile
New! RemoteHamRadio App
Hold a mega-station in the palm of your hand. Wherever you are, you can work DX and log it. Operate from our 18 unique stations to snag a new country,... Read more
Nifty app uses Morse code to send Apple Watch messages
Although there are ways of messaging people with the Apple Watch — either with Siri dictation, or using pre-written responses and emojis — as far as I... Read more
Ham Radio Prefixes – Android App
Enter a call sign and get immediately all the geographical informations (country, ITU zone, CQ zone, GMT). Google Play: https://play.goo... Read more
OpenHPSDR Radio – Android App
Check this new app on Google Play Software Defined Radio. Supports the following hardware: HPSDR Atlas based systems using Metis. HPSDR Hermes... Read more
Review
Optimizing Receiver Performance – “ARRL The Doctor is In” podcast. Listen…and learn!
There are a number of ways that you can adjust your transceiver for optimum receive performance Read more
WiMo PICOAPRSLITE – APRS Transceiver Module
APRS Transceiver Module, Temperature and Air Pressure Sensor, Micro USB Port, Status LED, Each Read more
The TAK-Tenna Review – A Limited Space HF Antenna
“As you may know, a big percentage of this web site is dedicated to building antennas and not buying them, but sometimes an antenna comes along... Read more
VHF
Two new Wouxun mobile radios have lower prices
Wouxun mobile radios are known for delivering good performance at a fair price. Two models in particular stand out in this category, the popular UHF/V... Read more
Qatar OSCAR-100 Wideband Spectrum Monitor
OSCAR-100 This spectrum monitor, hosted at Goonhilly Earth Station in Cornwall, shows the Qatar OSCAR-100 wideband transponder onboard the Es’ha... Read more
Icom IC-2300H VHF FM Transceiver
Icom introduces the new IC-2300H, 144MHz mobile transceiver. The IC-2300H is the update model of the popular IC-2200H. The IC-2300H retains the... Read more
Like Father, Like Son: Michigan Ham Wraps Up Grid Master Award
Satellite enthusiast Doug Papay, KD8CAO, of Zeeland, Michigan, has worked all 488 US grid squares via satellite and has been granted Grid Master Award... Read more
