开云体育

A possible solution - 3 element tape measure Yagi for 440 MHz. I might add that the only thing critical is the dimensions. There's no matching network, so TX is probably out unless you add one. (hair

I've been hearing the ISS transmitting SSTV on my dual band omni, but too weak to reliably decode. I bet a small 440 beam would do the trick by manually tracking them as they pass over - especially

Badges On The Air The event a couple of weekends ago was so successful and well liked that people asked for a repeat. So the final 24 hours of VOTA will be Badges On The Air. This time the focus is

**IMPORTANT: Please, all hams should hold off from using the ARISS Voice Repeater for voice contacts during the event times.

2023 Year-End ARISS Special SSTV Experiment! December 26, 2023 — Amateur Radio on the International Space Station (ARISS) announces a special SSTV experiment to be held this week.? The ARISS Voice

Wow!? I knew there was line loss, but had no idea it was that much.? Thanks Mike.

Mike, that is very interesting and useful information. ?Thanks for taking the time to calculate and post it!

The Willmar Emergency Amateur Radio Club will not host their weekly net on Christmas Eve, 12/24/2023.? The net will resume on Sunday, December 31, 2024.? Happy Holidays and Merry Christmas to all of

No fox will be safe now!!? Nice job Mike

Good looking build Mike!

I got my directional antenna made from plans here http://theleggios.net/wb2hol/projects/rdf/tape_bm.htm assembled and tuned up. SWR was almost flat as constructed, so I heat shrunk the elements in

> > > > "WINTERHEAT, now in its fifth year, stands as a month-long UHF/VHF simplex > event crafted to empower amateur radio operators by offering a dedicated > platform to test and enhance their

*Promoting and Protecting Amateur Radio* When you join ARRL, you support our efforts for a strong and vibrant Amateur Radio Service. Our Washington, D.C. regulatory affairs team filed a technical

Here's a couple of pictures Tony took of the direction finding antenna we used. Simple, but effective. 1 director element, 1 driven and 1 reflector for 2m.

Here's a link to build instructions for a 2 element 2m yagi. http://theleggios.net/wb2hol/projects/rdf/snif_bm.htm

Transmit drive level for packet using the FT-8800 and KPC-3+. I did some testing and found the proper drive level TNC setting if you are using the Yaesu FT-8800 transceiver with the KPC-3+ TNC. Since

I'm not sure if any others came along after us, but WD0HXV (Tony) and myself N0QBH located the FOX after about 30-40 minutes, atop W0AYE's vehicle. The wind was atrocious, but warming up between stops

Very interesting article.? Thanks for sharing it.

A great historic read about the WW2 top secret radio listening post located at Chopmist Hill, RI. As a teaser, they have never really explained all they could

I meant grab my 2m 4 ele end mount beam. Prolly wouldn't work well with the 440 :) Read it too fast thinking the fox was UHF. Anyway, sounds fun. 73 'QBH