Any #hamradio ops near the east coast that can send some rtty?

Some lessons are learned the hard way.

After spending more than 90 frustrating, tail-chasing minutes with the other half, we finally tracked down the cause of the switching power supply noise that was S5+ all over the HF bands. The culprit? A wall wart plugged into an outdoor outlet that used to power a security camera.

My own previous solo testing at the breaker box led me down the wrong path... The piece of crap doing this was right there, 1.5m from my antenna, all along.

Just submitted my log for #EuCW QRS week! Had a great time and really nice QSOs, I will definitely take part again next year, even if I am already a bit faster than the maximum of 14 WpM. #hamradio #telegraphy #cw

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Interesting, someone walking past my yard was asking me radio questions this weekend (mentioned buying a radio to talk to his brother across town). I suspect they are not licensed, but I told him I'd be happy to answer questions about radio, etc. and will definitely steer him towards licensing if possible! #hamradio

It looks like APRS has competition in the form of the CATS protocol. https://cats.radio/

Is there a node map, equivalent to aprs.fi for this protocol?

We are excited to announce the 2025 Amateur Radio Software Award recipient, Sebastian Delmont (KI2D) for his work on Ham2K Portable Logger (aka PoLo).

More info about the award and PoLo at https://arsaward.com/

#hamradio #dx phun
1/more

Tuned up/down 20 late afternoon and fell over the current usual dx suspects. Ravii from the Seychelles was a near miss today bc he went qrt early. But Abdulla A66A from Sharjah was there & as polite as ever. If you qso with A66A you will be in this case showered with blessings for your entire family plus "dankeschöns" and "Aufwiedersehns". So one responds with "Shukrens" and "Massalamas" & the goodbyes are longer than the qso

#hamspirit³

Small scale portable participation in the #VHF #UHF #contest in unpleasant weather yielded in 17 QSOs on #2m and 5 QSOs on #70cm.

Bei eklig kalten und windigem Wetter und mit Regenunterbrechungen trotzdem 4 Stunden portabel UKW-Contest gemacht. Jetzt durchgefroren, aber zufrieden. Was mit besonders freut: von 22 Verbindungen waren 4 mit YLs - immer schön zu hören, dass ich nicht alleine unterwegs bin.
#Amateurfunk #hamradio #ukw-contest

I called CQ #POTA in #CW at DE-0957 Hahnheide for the first time and made 15 QSOs on 20 m. After the small pile-up was over, I dismantled my station and went up the tower and made 7 FM QSOs on 2 m.
So technically not a cw only activation, but I love working VHF at that spot. #hamradio

I lacked interest to go activate WWFF but wanted to do some outdoor activities so I built myself a linked dipole antenna for 40m, 30m, 20m and 15m.

It took me roughly 3 hours and LOTS of walking back and forth, some knee-soldering on grass and lots of trim cuts.

I made first contact with the antenna to WWFF ref, 5W on 40m SSB! Promising!

How good is your #hamRadio antenna?

One way of finding out is to compare it with another antenna. WSPR is a good tool for that: Transmit on both antennas simultaneously and see which antenna other people receive louder.

We did that with a rather low-hanging shortened EFHW and my upper and outer. Result: On 20 m, my U+O was received with 4.6 dB less SNR on average, but on 40 m, the dipole was 3.5 dB better.

On reception, the dipole was better on both bands.

https://dj3ei.famsik.de/blog/posts/2025/antenna_comparison/

I’m currently working with the #DM7A team from JO60OM (Hirtstein in the #OreMountains) in the #DARC #vhf #uhf #shf #contest - we are #QRV on #2m #70cm #23cm and up. There is still plenty of time to work us. Just ask for a #sked on ON4KST #chat. The weather is getting better again… #HamRadio #Amateurfunk #ssb #cw #S07 #iaru

QRP Quarterly has knot tying. Actually sounds useful.
#Hamradio #AmateurRadio #QRP

A fellow fediham @mcdanlj is activating US-2755. He's trying for (his first?) CW activation! Go say hi if you can.

It's ugly, but it's transmitting. Right now it's a beacon, sending just my call sign and grid square.

Now to figure out what to do on receive. I'm thinking it should monitor the frequency, then report the strongest signal received in that period when it sends the beacon message

Good afternoon #HamRadio mastodon! This weekend is the #NewEnglandQSOParty #NEQP weekend. It starts today at 2000Z (4pm US/Eastern). I hope to do a NEQP/POTA/WWFF combo and I plan to spot here as well as on POTA & WWFF websites. You've been warned. :)

https://neqp.org/