The Elecraft K4 High Performance Direct Sampling SDR
Antenna
TETRA 15-17-20-40 m – Yagi Antenna
Specifications Frequency MHz: 21~21,45 – 18,06~18,17 – 14~14,35 – 7~7,3 Active elements: 4 (15m) / 3 (17m) / 4 (20m) / 3 (40m) Gain dBi*: 14,8... Read more
Triband end-fed half wave antenna for portable use
Describing and demonstrating an end-fed multiband antenna for portable use. It’s a full-sized half wave on 20 metres and a loaded half wave on 4... Read more
How To Use An Antenna Analyzer – Basics by K7AGE
Antenna Analyzer “I show you how to use an MFJ 259/269 Antenna Analyzer to check your antenna for SWR and resonance.” Read more
Full Size Mega Loop Antenna 6 to 160m
“Nearly two years ago, we decided that we needed a better antenna for all band operation to replace our traditional use of wire dipoles.... Read more
Review
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
Explaining Ham Radio Antenna Baluns, UNUNs and Toroids
Explaining Ham Radio Antenna Baluns, UNUNs and Toroids Read more
Universal Radio presents the Yaesu FTDX9000D
FTDX9000D The FTDX-9000 is a groundbreaking HF/50 MHz Elite Class Transceiver from the YAESU Engineering Team. The FTDX-9000D features unmatched close... Read more
Equipment
EXTRAFLEX BURY /.400″ – Low loss Coax Cable
EXTRAFLEX BURY /.400″ [10,3 mm / 0,405 inches Cable] WHY CHOOSE THIS CABLE: – The only 10,3mm coax that can be use bo... Read more
Icom IC-R9500 ( 0.005–3335MHz )
Wideband coverage The Icom IC-R9500 covers 0.005–3335MHz*1 in SSB, AM, FM, WFM, CW, FSK and P25*2modes. It is suitable for a wide variety of radio mon... 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 Minion SDR First Impressions
SSB SDR transceiver is a shortwave, ten band, multi band. QRPver Minion-SDR. This is a compact ten-band shortwave QRP SDR transceiver (1.8, 3.5, 5, 7,... Read more
Powerwerx 30 Amp Desktop DC Switching Power Supply with Powerpoles
Power Supply This small regulated switching power supply features 2 Powerpole outputs in front and 1/4″ binding posts in rear. Machined metal fr... 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
![Real-time Radio Spectrum Map Database Demo [ Android App ]](https://qrznow.com/wp-content/uploads/2021/10/maxresdefault-3-1-90x60.jpg)
![Real-time Radio Spectrum Map Database Demo [ Android App ]](https://qrznow.com/wp-content/uploads/2021/10/maxresdefault-3-1-180x120.jpg)