Tension between Russia and Ukraine are loftier every bit Russian has begun amassing military on the edge between the two countries. Merely if you're listening to shortwave radio y'all're already hearing some interesting activeness on what's known as "the buzzer." The buzzer was named after it's consequent cablegram tone. It's also known equally UVB-76 and tin be constitute on 4.625 USB.

Since the first World War countries around the world have transmitted coded messages over HF radio. UVB-76 is a Russian numbers station located well-nigh Moscow, Russian federation. It'south long been thought its purpose is to send coded messages to Russian military assets. Now shortwave listeners accept been hearing all kinds of interesting things on the 4.625 USB.

The beginning and most interesting is the buzzer has changed its sound and cadence. This is a contempo change and may have something to do with the potential for military action by Russian federation. Listeners have also reported hearing Russian music and Russian propaganda while other signals seemingly intent on jamming the frequency are playing more than ominous music like this:

They accept fifty-fifty been rickrollin' the frequency:

And sending images via SonicPhoto that appear on SDR waterfalls:

Information technology'south seems pro-Ukrainian and pro-Russian pirates are already fighting information technology out on the airwaves. At present the world is waiting to see what happens on the ground and whether Russia volition attempt to invade Ukraine. Information technology's not a bad time to listen to the buzzer given the unprecedented times we're living in. You tin mind by tuning to 4.625 USB on your favorite web-based SDR using stations located in Europe.