On 8th July I observed a fair Sporadic-E opening from Russia. Both OIRT and CCIR band was full of strong signals. I got almost all stations from the capital of Russia – Moscow. The MUF reached over 108MHz.

I took my RTL-SDR dongle to check the OIRT spectrum and I recorded some I/Q samples of full hour IDs at 2.4MHz bandwidth. Interesting view – look at the latency and deviation. Each Radio Rossii TX has different settings.

OIRT_fullhour

The following screenshot contains a bit wider spectrum with 2.7MHz sample rate:

OIRT_2700kHz

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