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The latest IARU-R1 Monitoring System newsletter reports on the continuing interference on various frequencies in the 7 MHz band from Russian language propaganda broadcasts Over The Horizon Radar (OTHR) systems in the Russian Federation and China continue to cause interference in the amateur 14 and 21 MHz bands and Iran has been operating a radar in the 21 and 28 MHz bands. The International Amateur Radio Union Monitoring System (IARUMS) Region 1 June 2020 newsletter can be read at Recordings of military transmissions can be found on the Signal Identification Guide Wiki at Monitor the short wave bands on-line with a web based SDR receiver at IARU Monitoring System (IARUMS) Source:http://www.southgatearc.org/
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Antenna
![“Big Wire Antennas” [ ARRL The Doctor Will See You Now! ]](https://qrznow.com/wp-content/uploads/2019/11/Fan_verticals_780-265x168.gif)
“Big Wire Antennas” [ ARRL The Doctor Will See You Now! ]
“Big Wire Antennas” is the topic of the new (November 21) episode of the ARRL The Doctor is In podcast. Listen…and learn! Sponsored by DX Engine... Read more
Chameleon MPAS 2.0 Modular Portable Antenna System
“Chameleon Antennas recently updated their Modular Portable Antenna System or MPAS with the goal of it being the most versatile, high performanc... Read more
Why I LOVE my Antenna Wire Measuring Counter!
This is an amazing machine made by “Sam” in the USA. I thank him for hand-assembling these. I have two now – and Sam is furnishing m... Read more
New complete HF Portable QRP Station on the Palm of the Hand
Ver essa foto no Instagram January 19 / 2020 – New complete HF Portable QRP Station on the Palm of the Hand – Yesterday Sund... Read more
Stealth 2 Meter Copper J-Pole for your HOA – AF5DN
Stealth 2 Meter Copper J-Pole for your HOA – AF5DN 0 Read more
Review
RF transistor handles 1.5kW 1.8 to 500 MHz
NXP’s MRF1K50H is a 1,500W LDMOS transistor, following on from the 1,250W MRFE6VP61K25H. This high ruggedness device, MRF1K50H, is designed for use in... Read more
QRP Rig Comparison , FT817 / X108G / X5105 / mcHF RS-918
Here is a video explaining the basic comparisons to each one of these radios Read more
Icom IC-7100 Sending Email Via VHF, Winlink, Mobilinkd, ARES
In this video, I will show you how I interfaced my 7100 with the Mobilinkd bluetooth TNC wireless to my PC to send emails on 144Mhz Read more
Unboxing the BITX40 SSB QRP 40-Meter Kig
“I learned about the BitX-40 from Randy, K7AGE’s unboxing video and immediately placed an order. It arrived today a few weeks after I plac... Read more
VHF
Dutch IARU Member-Society Invites Hams to Participate in 2-Meter Propagation Experiment
The International Amateur Radio Union (IARU) member-society in the Netherlands, VERON, has invited radio amateurs from around the world to take part i... Read more
Kenwood TH-F6A 144/220/440MHz
Kenwood TH-F6A 144/220/440MHz Finally, the Amateur Handheld that everyone has been waiting for, the New Kenwood TH-F6A. The TH-F6A is a 144/220/440 MH... Read more
50W Full Duty Cycle Digital Repeater – FR5200H / FR6200H IDAS VHF/UHF Digital Repeaters
FR5200H / FR6200H IDAS VHF/UHF Digital Repeaters 50W 100% Duty cycle operation Employing a high performance power amplifier, together with the solid h... Read more
Open Source Satellite Work Determined to be Free of ITAR
The United States Department of State has ruled favorably on Open ResearchInstitute’s commodity jurisdiction request, finding that specified?Inf... Read more
SAMCOM Mini Mobile Radio 218
SAMCOM Mini Mobile Radio 218 Key Specifications Frequency Range V:136.000MHz-174.000MHz V:220.000MHz-248.000MHz U:400.000MHz-470.000MHz System F3E(FM)... Read more
News
60 Meters… Let’s Go Dutch! – HamRadioNow
The World Radio Conference 2015 concluded with a little 15 kHz Amateur Radio allocation at 60 meters (the 5 channels we’ve been enjoying are not... Read more
Eustace Earhart Discovery Expedition team on board the Mermaid Vigilance, contacted Astronaut Shane Kimbrough, KE5HOD, on the ISS
On the search for Amelia Earhart’s plane this week, members of the Eustace Earhart Discovery Expedition team on board the Mermaid Vigilance, con... Read more
Arecibo ionosphere HF radio modifcation campaign!
If you are reading this then another radio event of possible interest is the upcoming Arecibo ionosphere HF heating campaign during 24 to 31 July 2017... Read more
Irish Amateurs now have WRC-15 60m allocation
The Irish Radio Transmitters Society have just announced that Irish radio amateurs can use the WRC-15 band of 5.3515 MHz to 5.3665 MHz with immediate... Read more
Engineer to Study Ham Radio Project — Equipment Installation on Hold
Engineer to Study Ham Radio Project — Equipment Installation on Hold By Pauline Masson Read: Read more
