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#vhf

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@kallemp I didn't bother with #LoRa due to it being patented and #Meshtastic for tending to pollute #ISM spectrum.

Also #CEPT does have data channels on #CB radio that are allowed to be used.

  • Given the low duty cycle, I'd say it's worth using said #LicensingFree channels. Espechally since the only "regulated" part are transmitters and those are just transparent cheap boxes, so #AFSK will be fine.

OFC one could use this across any spectrum or means, ranging from WSJT - moonbouncing at extreme narrowband and high frequences to #UHFSATCOM radio piracy. Obviously I disrecommend the latter for legal reasons!

  • OFC one could also use it across i.e. #Iridium and other #SATCOM and regular #VHF & #UHF radios or even just print messages as QR-Codes...
#iridium#satcom#vhf

Today, a walk to Ruabon Moors trig point, AKA Ruabon Mountain South trig point with my good friend @DafyddJack. It was a long one, and we had to make our own path for the last part up to the trig, but it was worth it. Played a little bit of radio when we got there, and managed a handheld to handheld QSO on #2m with a #SOTA station on Scafell Pike. Video to follow. What a great day! Betty the dog is pictured enjoying the walk. #AmateurRadio #HamRadio #VHF

1985: me and my friend from highschool experimenting with 2 transistor home built FM #transmitters, later #Stentor kit from the #Netherlands, transmitting between 105,6/105,7/105,8 MHz (depending on how much TX had drifted) and putting 1km "not spot" into comms for British Rail and Reading Buses on their then new Stornophone #VHF radio schemes (which bizarrely had mobile TX on 150+MHz and base on 105-106 MHz (this portion of the band wasn't officially allocated to broadcasting back then!)

2025: working with my friends at #IpswichCommunityRadio doing it all legally on 105.7 - 50W TX power, stereo, digital soundprocessing, dynamic RDS, about 30-40km range, full telemetry on the transmitter and bandpass filter so we don't upset anyone else on the band.

Listening to Em's 80s Hour of Fun last night (she featured 1985 on the episode) reminded me of this (and that 40 years have passed since I started being involved with #radio!)

(en eindelijk na 40 jaar kan ik ook de andere kant van de bouwfolder (die was in het Nederlands geschreven) voor de Stentor lezen!)

Has anyone been able to program a SA818 board? I've tried a few different ways (Python sa818, a C version of the same thing) and it just won't work. I never get a response to the connect message.

I'm starting to suspect it's the USB-serial dongle that came with it. Might have to find an Arduino and try it that way, but that's a lot more work.

#hamRadio#vhf#sa818

Took my Quansheng on an activation this morning. Made an 80 mile contact on FM, then we switched to SSB. Good reports both ways, in both modes.
And I was able to send a few APRS packets, that were successfully received!

Highly recommend you get a Quansheng UV-K5 for yourself!

#introduction

Howdy everyone, we are W5AC, the Texas A&M Amateur Radio Club. Our history dates back to at least 1912 with the callsigns 5AC and 5XB at what was then the Agricultural and Mechanical College of Texas.

In the past, we have done an early play by play coverage of a football game in 1921, chess matches with N5XU in Austin, and long telegrams with our Model 19 teletype on #rtty

Currently, our members are interested in #hf, #vhf, #digital, and many more topics.

Inconclusive, but I think there was a 2 meter band opening between Michigan and Ohio this am based on the indistinct sounds I heard on 145.15-.

There must be something that monitors this, maybe using APRS reception? Thinking that @W8HF might have some ideas.

Ideally I would pull in data into Home Assistant, like the Aurora integration that tracks solar weather.