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| Name: |
Voice Communication Propagation Test Callsigns: Multiple Signabroam ID: S6981 |
|---|---|
| Frequencies | 4626.5, 5023.5, 5106, 6800.5, 6981, 7211.5, 7935 kHz |
| Status | Active |
| Voice | Male, Female |
| Mode | USB |
| Location | Russia |
| Known counterpart stations | Unknown |
| Description |
Russian military shown conducting specific user HF voice circuit checks, shown during 1430 UTC. Simulcast frequencies of 6981 kHz and 7935 kHz are active as of 1 Sep 2025 1430 UTC; 4626.5 & 6800.5 kHz as of 15 Nov 2023. The signal will start with an 800Hz control circuit activation, followed by the call sign of the target user repeated three times, then a numbers count from 1 to 10 followed by a request for signal reception strength relayed via alternate communication call back. This signal began on 24 March as drone attacks into Ukraine became a normal part of military activities, alternate frequency 7211.5 kHz only used sparingly with day and night time use, typical transition had occurred at ~1700 UTC some voice announcements occur at ~1430 UTC. Old night time frequency is 5023.5 / 5106 kHz with voice bursts at 1930UTC. Informations and descriptions from Tyler Stampfli 'KA0KA' on YouTube @SignalPhantom for SignalPhantom.com There likely the same stations in Eastern Far of Russia with this format, see S9062 and S12035 for more information. |
| Media |