My MFJ-1886 Receive-only Loop Antenna was trashed by a large animal a couple days ago (See AD #328). In this video we disassemble it and test the preamp to be sure it still works.
Antenna
Antenna Review | MFJ Ham Stick
MFJ Ham Stick Read more
Grounding a Counterpoise on End-Fed Half Wave Antenna
Laurence, WA2TLY, is asking some questions about a few aspects of the EFHW 80-10 antenna, Why they are there and what they are for? Read more
CHAMELEON ANTENNA Portable HF Antennas
CHAMELEON ANTENNA Portable HF Antennas are made with the finest materials available. They can be used for multiple purposes such as Base Station, Port... Read more
MomoBeam DUO 6 20-40 SF – BIBAND – 20M and 40M
DUO 6 20-40 SF is every contester’s dream, a dual-band yagi with separate feed line, high power handling, large bandwidth and with the usual Momobeam... Read more
New vertical SV5 for (80-60-40-20-15-10)
SV 5 Plus Antenna for HF bands (80-60-40-20-15-10)Antenna for HF bands (80-60-40-30-20-12) Same features as the SV 5 but with the 60m band. OPTIONAL S... Read more
Review
Antenna and Analyzer Questions by KE0OG
“New Ask Dave format with Dave Casler and with Ask Dave Editor Trevor Oman, takes on questions about antennas and analyzers.” Read more
The new Malahit-DSP: A portable all-in-one wideband SDR receiver
Technical Specifications 1 MHz to 1000 MHz. Bandwidth 160 kHz. Modulation types AM, WFM, NFM, LSB, USB. Powered by one Li-ion cell. Consumption up to... Read more
The Lab599 TX-500 memory keyer in action!
https://twitter.com/SWLingDotCom/status/1296134848403267585 Read more
“This week I’m reviewing the Openspot by Shark RF. No images to hunt down, It runs D-Star, DMR & Fusion all in one box. Don’t fo... Read more
“Receive Filters” episode of the “ARRL The Doctor is In” podcast. Listen…and learn!
Receiving every signal is not always a good thing — especially when you receive them all at once! The Doctor describes why proper filtering is... Read more
Equipment
IC-705 QRP SDR Transceiver Update, Available in Japan around April 2020
IC-705 There has been massive interest around the world about the new IC-705 QRP SDR transceiver since a concept model was shown at the Tokyo Hamfair... Read more
Alpha 9500 Autotune Full Legal Limit Linear Amplifier
The Alpha 9500 is no ordinary linear amplifier. The Alpha 9500 is the culmination of over 40 years of design and engineering. The Alpha 9500 is an adv... Read more
Manufacturer Showcase with bhi Noise Cancellation Products
https://www.youtube.com/watch?v=nRHnP51IzCE Read more
Dealing With Noise in HF Mobile Installations
Many hams find that their HF mobiles receive more noise than they do usable signals. Common noise sources include the ignition system and alternator.... Read more
News
Mysterious Radio Signal Discovered in Milky Way Center | What Is It!?
Ziteng (Andy) Wang is a PhD student at the University of Sydney. He recently discovered an unusual radio signal coming from the direction of the Milky... Read more
TRI BAND TRANSCEIVER – RS-UV3A
The HobbyPCB RS-UV3A radio module is a 144/220/450 MHz FM transceiver board. The RS-UV3A is a low cost transceiver solution for Packet Radio, repeater... Read more
ARRL Continues Its Efforts to Preserve Amateur Radio Secondary Use of the 3 GHz Band
ARRL President Rick Roderick, K5UR, in a written statement on the newly filed H.R.5378 before the US House Commerce Communications and Technology Subc... Read more
![Why Ham Radio [ ARRL Video ]](https://qrznow.com/wp-content/uploads/2021/10/hq720-1-265x168.jpg)
Why Ham Radio [ ARRL Video ]
Josh Nass, KI6NAZ, of @Ham Radio Crash Course talks about what ham radio is, and answers the question…. “Why Ham Radio?” Read more
High Speed Telegraphy 2021 in Montenegro
September 10-14, 2021, the 17th World Championship High Speed Telegraphy was held in Montenegro. The event was organized by MARP (Montenegrin Amateur... Read more
