Crystal Radio constructed with unusually large passive components with the goal of obtaining an extremely high Q. Variable capacitor from a B-17 Bomber’s antenna tuner 
More
The IC-R30 is Icom’s latest wideband handheld receiver. Not only does it receive over a wide (0.1 to 3304.999 MHz) frequency range in AM, FM, WFM, USB, LSB and CW, but it can also decode digital modes including P25, NXDN, dPMR, D-STAR... Read more
![Voice of America Radio Towers – Controlled Demolition, Inc. [ HD VIDEO ]](https://qrznow.com/wp-content/uploads/2016/04/voiceofamerica-90x60.jpg)
More
TO90R – Reunion Island
TO90R – Reunion Island Special thanks to REF UNION for helping Reunion entity to be on air for this events Date : 27 and 28 June 2015 11 and 12 July... Read more
Sunnyvale Ham Radio Outlet closes after 26 years
BY Victoria Kezra The Sunnyvale Ham Radio Outlet signed off for the final time Wednesday after 26 years as a hub for Silicon Valley’s amateur radio co... Read more
RSGB Islands on the Air – IOTA Contest
IOTA Contest Please note that there is no World Multi-Operator category, and that Island Multi-Operator stations must follow rules on band changes and... Read more
Past Japan Amateur Radio League Vice Chair Hisao Shono, JA1AA, SK
Hisao Shono, JA1AA, died on August 19. He was 100. Shono served two terms as vice chair of the Japan Amateur Radio League. He was licensed in 1938 as... Read more
MonoBeam HF Multibander MB16 10-15-20
MonoBeam The mb16 10/15/20 is an antenna for 14 MHz, 21 MHz and 28 MHz. No traps or inpedance adapting system is used, the feeding is direct with a s... Read more
New! Wattmeter HF/50 MHz FX773 3/5 kWatt
Technical Features VECTOR SWR/POWER METER METROPWR FX773Coverage 1.8/55 MHz 160/6mtHF/55MHz Measure Power AVG, PeP, dBm, R, Z, |X| , SWR, FrequencyWid... Read more
ICQPodcast – Solar Powered Shack released
In this episode, Martin M1MRB / W9ICQ is joined by Caryn-Eve Murray KD2GUT, Ed Durrant DD5LP , Dan Romanchik KB6NU, Martin Rothwell M0SGL and Chris Ho... Read more
Analysis of the impact of solar activity on radio signals in the atmosphere boosted by new research
Source:Manchester University The assessment of the impact of solar activity on radio signals in the atmosphere has been boosted by a new measurement m... Read more
‘Alex Discovers Amateur Radio ’ Booklet to Promote Radio Hobby to Young & Old!
A booklet aimed at introducing newcomers to the hobby, young and old alike, that can also be used as a handy reference whilst getting started. Last up... Read more
New RFinder P10 Tablet with Dual Band DMR and RTL-SDR Receiver – Huntsville Hamfest
“From the Huntsville Hamfest, we sit down with Bob, W2CYK, and he shows us the new P10 Tablet from RFinder with RTL-SDR Receive and the traditio... Read more
![Real-time Radio Spectrum Map Database Demo [ Android App ]](https://qrznow.com/wp-content/uploads/2021/10/maxresdefault-3-1-190x122.jpg)
Real-time Radio Spectrum Map Database Demo [ Android App ]
In view of the escalating demand for higher mobile data (from IoT, industry 4.0 applications), there is a growing world-wide interest to improve the r... Read more
D-STAR Forum at Dayton on HamRadioNow
D-STAR is now the Grand Old Man of Digital Voice in amateur radio, but it still fills the room with interested hams at the Dayton Hamvention®. John Da... Read more
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
ARRL Field Day Safety – Ham Radio Q&A
Photo Credit : W2VK Field Day is fast approaching and soon this empty field behind me will be bustling with activity. On the fourth full weekend of Ju... Read more
A Prototype Foot Switch for the Future by JH5GHM
Judging from CQ-Contest reflector discussions, many contesters do not seem to appreciate the importance of a foot switch in a contest environment. For... Read more
![Introduction to the IC-7610 SDR HF Transceiver [ Video ]](https://qrznow.com/wp-content/uploads/2017/09/22104387_1143766065754991_9025087487654407329_o-265x168.jpg)
