Comparing The ICOM IC-705 HF QRP & ICOM IC-7300 Transceivers
Antenna
![Field Day Antennas [ PodCast ] – “ARRL The Doctor is In”](https://qrznow.com/wp-content/uploads/2018/06/fldday4-265x168.jpg)
Field Day Antennas [ PodCast ] – “ARRL The Doctor is In”
The Doctor offers advice about antenna options for the upcoming ARRL Field Day. Read more
Momobeam MB17 10/15/20/40 m – Yagi Antenna
MB17 10/15/20/40 is every contester’s dream quad-band trap-less yagi with compact design, – high power handling, – large bandwidth thanks... Read more
A Portable 75/40* Meter NVIS Antenna
by David B. Murray, KD1BL Background: While taking the Level II Emergency Communications Course, my mentor, Ron Kane (AD6KV) presented information on... Read more
Introduction into Theory of Direction Finding
Introduction Applications of direction finding While direction finding for navigation purposes (referred to as cooperative direction finding) is becom... Read more
SUPER VERTICAL 8 ULTRA HF 4-6-10-11*-12-15-17-20-30-4
Vertical-Array is proud to present the vertical 8-bands HF 8 “SV 8 ” antenna. The SV8 working in HF for 4-6-10-11-12-15-17-20-30-40... Read more
Review
Ham Radio Forms a Planet-Sized Space Weather Sensor Network
The article “Ham Radio Forms a Planet-Sized Space Weather Sensor Network,” appeared on February 9 in Eos, Earth & Space Science News — an American... Read more
![Remote Antenna Tuners [PodCast] – “ARRL The Doctor is In”](https://qrznow.com/wp-content/uploads/2017/03/hf-auto-open-l-265x168.jpg)
Remote Antenna Tuners [PodCast] – “ARRL The Doctor is In”
“Remote Antenna Tuners” is the topic of the just-released episode of the “ARRL The Doctor is In” podcast. Listen…and learn! Read more
IC-7610 Technical Report Vol. 2 (English Version)
IC-7610 Technical Report, which explains the RF direct sampling system and RMDR used in the IC-7610. You can find the Technical Report here: http:/... Read more
Equipment
12×4 modular Antenna switch KIT
Main functions: Always used one same – three to one – module. Put together up to four module expand up to 12 inputs. Available add same mo... Read more
RSA306 USB Spectrum Analyzer
A full-featured spectrum analyzer for less than half the price of a conventional unit. It’s compact, weighs just 1.3 pounds, takes little space on you... Read more
2 Pair Freetalker Walkie Talkie Two-Way Radio Wrist Watch
Quick Overview The wristwatch walkie talkie can offer you the freedom to go anywhere and do anything–from weekend hiking to just hanging out at... Read more
Hermes Lite 2 HF SDR Construction And Receive Test
Here we build the Hermes Lite 2 HF SDR and test it’s receive capabilities. Read more
MFJ-993BRT Remote 300W automatic antenna tuner installation
Remote IntelliTuner is mounted in a durable hard plastic case that measures just 9 ¼” x 3″ x 14 ¼”. Covers 1.8 to 30 MHz, have heavy... 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
![YAESU FT- 891 First Test [ Video ]](https://qrznow.com/wp-content/uploads/2016/10/yaesu-ft891_asd-265x168.jpg)
