“This video is a quick tour, but complete, of the Kenwood TH-D74
VHF
WRC 2015 When drafting this issue, the World Radio Conference 2015 had concluded his work. During 4 weeks more than 3000 participants attended this conference. The IARU was present as observer with a team to represent the interests of amate... Read more
News
W1AW 6:45 pm 7:45 pm 8:45 pm 9:45 pm 0145z Voice Bulletin 7 pm 8 pm 9 pm 10 pm 0200z Fast Code Slow Code Fast Code Slow Code Fast Code 8 pm 9 pm 10 pm 11 pm 0300z Code Bulletin W1AW’s transmitting schedule occurs at the same local Eas... Read more
Antenna
A long time has passed since we have to accept the negative aspects of matching Yagi antennas. With modern software, knowledge and optimisation techniques, there is no reason for a Yagi to have any form or matching device. If designed corre... Read more
Recent Posts
KC0YQF Makes Mountain Goat
“This video is about KC0YQF Makes Mountain Goat. It has been a multi year effort and a lot of fun for both of us. Lynn is now the 1st Female to... Read more
Sale of Vintage Transmitter Funds Opportunity for ARRL Teachers Institute Participant
The sale of a vintage Collins transmitter has made it possible for a Connecticut Amateur Radio club to fund a seat for a future ARRL Teachers Institut... 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
Phase-4A Geostationary Amateur Radio Transponder Video
Source: AMSAT UK Es’hail 2 is a geostationary satellite which will carry two amateur radio transponders. The launch of the Es’Hail-2 satellite into a ... Read more
After Nepal earthquake, people turn to ham radio
by Megan Geuss “On Saturday, Nepal was shaken by a massive earthquake that registered a 7.8 on the Richter scale, causing wides... Read more
Secret antennas and huge steel structures in central Germany – the world of waves and signals
Antennas transmit signals since 1886. The German physicist Heinrich Hertz developed the first antenna for transmitting electromagnetic waves. To this... Read more
Recent Posts
The list of participants of WRTC2018 is now published
Participants Selection Area Team Leader Team Mate AF 5H3EE DL1CW AS #1 R8CT UA4FER AS #2 RC9O UA9PM AS #3 4X6FR 4X1DX AS #4 A65BP RW4WR AS #5 E21EIC 9... Read more
The MTR4b! KD1JV “Steve Weber” Designs – Produced by LNR Precision 80M/40M/30M/20M in Machined Aluminum Case!
The MTR4B 4-Band Mountain Topper KD1JV “Steve Weber” Designs – Produced by LNR Precision 80M, 40M, 30M, 20M 3-4 Watt Output at 12VDC... Read more
ARRL Invites Nominations For 2015 International Humanitarian Award
International Humanitarian Award Nominations are open for the 2015 ARRL International Humanitarian Award. The award is conferred upon an amateu... Read more
Taiwan to Drop Amateur Radio Morse Code Requirement
According to an article in Taipei Times, the National Communications Commission (NCC) in Taiwan (the Republic of China) has proposed to abolish the Am... Read more
What is PSKMail ?
Introduction How much bandwidth does the mobile ham really need? Like most questions, there are several answers to this. The best one probably being... Read more
RQ-84 – The classic “Quad” full-size has ten elements for 10m, eight – 15 m, six – 20 m, and four full-size elements on 40m band
RQ-84 – the classic “Quad” full-size has ten elements for 10m, eight – 15 m, six – 20 m, and four full-size elements on... Read more
