Broadcast heard on 15 MHz at 0839 UTC on April 9, 2023, first WWVH (female voice) and WWV (male voice) was heard below WWVH.

vía 0-30 MHZ SDR, VK6QS, WESTERN AUSTRALIA

#wwvh #wwv #escuchandolaradio

✅ To keep in mind✅
WWVH AND WWV both operates in the high frequency (HF) portion of the radio spectrum and radiates 10,000 Watts on 5, 10, and 15 MHz, and 5000 Watts on 2.5 MHz. The station broadcasts on each frequency from a separate transmitter.

Although each frequency carries the same information, the multiple transmitters allow for redundancy in case of technical issues or maintenance needs.

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📣 Beginning November 15, 2021, WWV and WWVH will be broadcasting a test signal on minute 8 of each hour on WWV, and minute 48 on WWVH. This signal has been created to assist in ionospheric research, and is a joint effort of the Ham Radio Citizen Science Investigation (HamSCI) and NIST. The signal consists of various tones, chirps, and Gaussian noise bursts. The signal may be modified occasionally.

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