this post was submitted on 07 Jun 2026
21 points (100.0% liked)

Digital Modes

254 readers
1 users here now

A place to discuss all things digital. Any focus from M17 to AMTOR. This may run parallel to other communities, All questions and posts welcome.

founded 3 years ago
MODERATORS
 

After some time playing with SDR I decided to finally get a decent dedicated shortwave radio.

In this image the Sangean ATS-909X2 is set to receive at 14.074 MHz in USB mode to capture some FT8 signals.

The phone is running the FT8CN app and it captures the audio to decode the messages via the microphone.

7.074 MHz and 28.074 MHz also work great for this.

you are viewing a single comment's thread
view the rest of the comments
[–] Sal@mander.xyz 1 points 1 week ago* (last edited 1 week ago)

Yes! This happens to be pretty good reception of an image, there are others which are not so great. Sometimes you have to tweak the settings, or make sure you’re using the correct decoding mode; there are quite a few of them. They have names like Martin and Scottie, among others.

Alright, I think this is one that I should first practice with an SDR. I already identified the signal at 14,230 KHz, but maybe the phone is not capturing the audio from the device with the quality required. Or it might be the decoding. This will be easier to test with the computer.

If–and I hope you’ll forgive me for an assumption here–you have a US mailing address, you could get your US amateur licenses fairly quickly and then operate under CEPT (once you have General or Amateur Extra) within certain Dutch jurisdictions. You do not need to be a US citizen, or even live here. You can conduct your entire exam via online zoom call. I did my Tech (first license in the US) from a beach on a tropical island with adequate WiFi during the pandemic, and then I did General and Amateur Extra upgrades a couple of years later in a different part of the world, each only weeks apart, also via zoom.

Thanks for the tip, I wish I was a in tropical island at the moment. I don't have a US mailing address, although I some in my family and family friends do. However, the system here appears to be quite streamlined - register online, show up to the test center, answer 40 multiple choice questions - I will do some practice tests with the relevant Dutch terminology and give a try. There is no penalty for failing (other than test cost) and no limit to how many attempts I can do. My partner also wants to get one so that she can also transmit, otherwise she'd see me having all the fun.

I tried a few different training methods and I am liking this one: https://stendec.io/morse/koch.html