“This is their brand new, up and coming line of switching mode power supplies. Very quick video. But it is the only one in the world on display right now so I had to show you.”
Antenna
Antenna BEAM 11 elements 3 bands
11 BEAM antenna elements 3 bands Frequency [Frequency]: 28, 21, 14 MHz Number of elements [Number of elements]: 28 MHz – 5 el. 21 MHz – 3... Read more
Building the Moxon Antenna
Building the Moxon Antenna is fairly easy and lends itself to imagination. No two Moxon’s are identical save the dimensions of the elements... Read more
Yagi Antenna 4 antenna elements 5 bands
Yagi Antenna Frequency [Frequency]: 28, 24, 21, 18, 14 MHz Number of elements [Number of elements]: 4 Profit [Gain]: 9.5 – 9.0 dBd suppressio... Read more
Elecraft AX1 Multi-Band Whip Antenna
Elecraft AX1 – Portable HF antenna Elecraft AX1 Ultraportable 17/20 Meter Antenna System (FAQ) Q: What is the AX1? A: The AX1 is a dual-band (20... Read more
SteppIR BigIR Concept and Unboxing
Description SteppIR Verticals are the only true ¼ wave continuous coverage antennas available for the HF bands. The SteppIR technology has had a profo... Read more
VHF
VHF Handbook Available for Download
The new version of the IARU Region 1 VHF Handbook 7.50 covering VHF, UHF and Microwaves is now available for download. The handbook has chapters on Ba... Read more
New Icom Amateur Products Including the IC-9700 to be Shown at Tokyo Hamfair 2018
IC-9700 As well as have three working demonstration units of the forthcoming IC-9700 VHF/UHF/1.2GHz transceiver, Icom Inc. will be unveiling other pro... Read more
Introduction to APRS- the Automated Packet Reporting System
“The Automated Packet Reporting Service is a digital real-time communications system to share tactical information and messages. The most common... Read more
Yaesu VX-8GR
VX-8GR – A Devoted APRS® User Dual Band Version of the VX-8R Series of HandheldKey Features of the VX-8GR include:• Full 5 watts FM 144/430 MHz. • RX... Read more
Yaesu announced two new radios are coming to the market! – Yaesu FTM-3207DR and FT-2980R
Yaesu FTM-3207DR and FT-2980R will be available late summer / early fall! Yaesu FT-2980R 80W FM 2M Mobile Transceiver As its model name suggests, the... Read more
PROJECT: CROSS BAND REPEATER WITH 2 BTECH MOBILES
PROJECT: CROSS BAND REPEATER WITH 2 BTECH MOBILES Read more
Review
Build an APRS Fill In Digipeater – Ham Radio Q&A
APRDS “APRS or the Automated Packet Reporting System can be really handy for tracking vehicles and other assets during events like parades, ride... Read more
External Speakers is the topic of the new (November 8) episode of the “ARRL The Doctor is In” podcast. Listen…and learn!
External Speakers Would you benefit by adding an external speaker to your radio? The answers may surprise you. Read more
Coaxial Cables Common Parameters
What are the most common important coaxial cables parameters? Many different coaxial cables exist, but they all share a numbers of common param... Read more
NanoVNA To Test The Loss & Length Of Coax Cables by Jim W6LG YouTube Elmer for Ham Radio Basics
“The NanoVNA does many things. Two of which are testing coax cables for loss and length. Jim W6LG shows how to do both in this first video about... Read more
Ham College 43 – General Amateur Radio Exam part 14. Emergency Communications, Skywave propagation, and Yagi antennas.
Ham College episode 43 is now available General Amateur Radio Exam part 14. Emergency Communications, Skywaves, Yagi Antennas Read more
Equipment
Little Boy — An LDMOS HF Amplifier
Little Boy — AN LDMOS HF Amplifier by W6KANI recently watched the movie Fat Man and Little Boy, a 1989 great movie about the Manhattan project a... Read more
SunSDR2 DX – New 100 Watt SDR This Fall!
Exiting news from Expert Electronics! The introduction of the brand new SunSDR2 DX being planned for this fall. At Hamradio Friedrichshafen this weeke... Read more
Inflatable Antenna Towers
“Our inflatable antenna/video towers let you quickly put up antennas and/or video packages to extend or reinforce your coverage in a range of si... Read more
LDG RT-600 Remote Tuner
LDG RT-600 LDG has announced the RT-600 remote tuner. The RT-600 is a 600 watt PEP coax in / coax out remote tuner designed to be placed near the feed... Read more
Ameritron ALS-500M MOBILE AMP, 500W SOLID STATE, REMOTE READY, 12V,US
Ameritron mobile no tune Solid State Amplifier –Mobile no tune Solid State Amplifier – uses four rugged 2SC2879 high power linear RF power... Read more
