Portable Solar Power, Samlex Foldable Solar Panel, Off-Grid Emergency Electricity
The Samlex 135 watt portable solar panel with included charge controller will provide plenty of power to keep your battery charged when power is a must. This foldable 3 panel solution will keep your 12VDC batteries charged for those times when you are out with your RV, travel trailer or ham radio. During a hurricane or other natural disaster, powering your TV, laptop, phone chargers or lights is almost a must have. I plan on using this for my dual 12v coach batteries so I can utilize more room on the roof for permanent solar panels towards my main AC inverter which will power all the AC appliances in the trailer such as Air conditioning, TVs, coffee maker and outlets.
Antenna
Build an HF long wire balloon antenna
“We made a long wire vertical antenna suspended from a helium balloon over the river, at 25 watts and an MFJ 993b autotuner to tune it on 40 met... Read more
Antennas Vs Trees
Jeff, KD8KPT, asks about the logistics of putting antennas up in his trees. Read more
Radials or Not?
Joe, NE1JT, has a vertical dipole antenna and has a very simple question about it, and antennas in general. “Should ground radials be added?... Read more
Chamleon Antenna’s MPAS Antenna, is it as good as a Dipole?
“Not long ago I purchased the Cha Hybrid-Mini from Chameleon Antennas. This is the 500 watt SSB and 250w for CW version and just a bit larger th... Read more
Icom Mobile Antennas AH-760 and AH-740 (1.6MHz–29.999MHz )
Icom Mobile Antennas AH-760, Wide Frequency Heavy-Duty Moving Coil Antenna 200W PEP SSB, 125W PEP CW/DATA 1.6MHz–29.999MHz wide frequency coverage wit... Read more
Review
Sneak Preview of the AH-705 HF/50 MHz Automatic Antenna Tuner
Icom AH-705 automatic antenna tuner for the IC-705 is now available from Icom UK dealers. The AH-705 is a small portable antenna tuner that has been d... Read more
Ham Radio Basics–Jim, W6LG Sets Up a Basic Ham Radio Station
Jim W6LG demonstrates typical connections for a basic ham radio station; power supply, transceiver, microphone and key. In the next episode, other dev... Read more
DIY Remote Radio Now – Win the April 2017 QST Cover Plaque Award
WB2REM and K5PA Win the April 2017 QST Cover Plaque Award The winning article for the April 2017 QST Cover Plaque award is “DIY Remote Radio Now” by... Read more
Flex Radio, SmartLink Demo and Intro to MultiFlex
“This will be a multi-part video that was recorded at Flex Radio HQ in Austin Texas, March of 2019. SmartLink version 3, featuring MultiFlex, is... Read more
Meet the Raspberry Pi – “ARRL The Doctor is In” podcast. Listen…and learn!
Meet the Raspberry Pi” is the topic of the new (February 28) episode of the “ARRL The Doctor is In” podcast. Listen…and learn! Sponsored by DX... Read more
Equipment
50 Ohm PROFESSIONAL COAXIAL CABLES
COAXIAL CABLES Cables for transmission and reception for both professional and amateur 50 Ohms. The low loss and low SWR factor (SRL) make them unique... Read more
Yaesu announced the external speaker SP-10 and SP-20
Yaesu SP-10 and SP-20 SP-10 and SP-20 On December 8, 2016, Yaesu Radio Co., Ltd. announced the external speaker “SP-10” (12,000 yen tax-ex... Read more
QRPver-1 v.3 ONE band QRP transceiver
The transceiver is built on the scheme with a single superheterodyne frequency conversion and four Crystal quartz filter. The device is controlled by... Read more
YAESU – FT-857D
YAESU – FT-857D The FT-857D, the world’s smallest HF/VHF/UHF mobile transceiver, provides base station-type performance from... Read more
The WiNRADiO WR-G39DDCi ‘EXCELSIOR’ High-performance HF/VHF/UHF/SHF SDR
WiNRADiO Overview The WiNRADiO WR-G39DDCi ‘EXCELSIOR’ is a high-performance HF/VHF/UHF/SHF software-defined receiver with a frequency rang... Read more
News
IARU Reports Another Over-the-Horizon Radar System is Under Construction in India
In October, the International Amateur Radio Union (IARU) Region 1 Monitoring System (IARUMS) newsletter reported on the continuing run of over-the-hor... Read more
How well is the VHF Repeater Hearing your Signal?
VHF Repeater “Collin, K0NNK, is having some trouble with is antenna and a nearby repeater. He hit a 2 meter repeater full quieting but the repea... Read more
Dayton Hamvention Expects to be Live Event in 2022
Dayton Hamvention® organizers are planning to mount the first in-person show in 2022, following 2 years of COVID-related cancellations. The event is s... Read more
Big Bright Regions Beckon Amid a Big Aurora Show | Solar Storm Forecast 11.22.2021
“Activity remains subdued this week with only pockets of fast solar wind to bring sporadic aurora to high latitudes, nothing like the G3 show we... Read more
ISS SSTV Dec 1-2 145.800 MHz FM
Russian cosmonauts on the International Space Station (ISS) are planning to transmit Slow Scan TV images on 145.800 MHz FM using the SSTV mode PD-120.... Read more
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