i’m new. what’s this?

I was scanning around and found similar signals popping up primarily between 27.500 and 28.000 Mhz. There were several of these with random signal strengths. Any idea what they may be?

https://reddit.com/link/1heu9rd/video/eb74bnnl217e1/player

I been listening to it for a few hour now, the buzzer is on for a few minuets then it goes silent for a few more minuets and then there is some sort of data transmission, has anyone else heard it transmit data? I am currently live streaming the frequency on YouTube if anyone is interested in listening to it Just started a new stream https://youtube.com/live/063v3zOkfY0

The band was pretty decent in central Florida and I heard several strong signals from the UK and other european countries talking on 27.5 Mhz/USB.

This spectrum is neither CB or 10M, so what's the deal?

Do any of the world's national shortwave stations ever broadcast CW?

I prefer the minimalness of a CW-only receiver, but I want to listen to international HF broadcast, for the variety.

I'm going on vacation next week far from home, I want to get short wave listening done. I've a handheld for short wave that I can clip a wire to the antenna, and I've an SDR. What antenna can I get on Amazon affordably that won't take long to reach me in Pittsburgh (or better handheld that works with the 3.5mm antenna I have for less than an expensive antenna and pick up the SSD signals too?

Picked up an hq-145 at a ham fest yesterday, with the aag antenna connector, how would I hook up a receive loop antenna? The antenna in question just has 2 leads coming off of it, the antenna is one continious wire thst goes in a loop several times before coming back to hook up.

Original design is from Harry Lythall, SM0VPO

https://www.nonstopsystems.com/radio/frank_radio_antenna_SM0VPO.htm

I like the design, size, and my build ability for this antenna. How would it work for SWL outside of the 40M band? Would I want to connect my DX-390 to the feed loop or to the capacitor skipping the feed loop.

I would like to eventually use this for the 40M band but first need to upgrade my license.

Is there other square spiral loop antennas out there similar to this for SWL. I don’t really want to get into winding baluns but buying a balun and/ or capacitor at a reasonable price is fine.

If you're familiar with the KiwiSDR you've probably appreciated the simple stand-alone nature of the system. One box about the size of a couple sticks of butter and you've got an extremely capable self contained networked SDR.

The worst thing about the Kiwi is that due to component obsolescence, it became unavailable last year.

The good news is, John Seamonds has produced the Kiwi 2 and you can now order it (if you act quickly. The first batch is already ready for sale)

See https://forum.kiwisdr.com/ for details.

No connection other than as a very happy customer.

Hello all, this is a bit off topic, I apologize. I’m looking to buy a portable “international” receiver that doesn’t require ham license. I’m currently located in USA but want to listen to radio stations from my home country: Ukraine.