Most of the email addresses I've tried online are outdated. I've tested several, and they all require an audio recording file (which must match the content you write and be a genuine recording). Simply copying text from the internet won't work.
Typical email content:
Dear representative of the National Time and Frequency Center BPM shortwave time signal broadcast station,
The following records the reception situation on BPM's shortwave time signal broadcast on [Date] in [Year]:
I hope to receive a QSL card from your station as proof of reception.
Date of listening:
Listening time: Beijing time;
Listening location:
Usage frequency:
Listening device:
Antenna:
Desired content (Ideally, having both the call sign and audio recording from that time period would be best for transcription; details about the code and the audio itself are also important – the more detailed, the higher the success rate).
The main problem with listening indoors: It's possible to identify the source, but sometimes the signal weakens.
Please see the attached video.
Mailing address:
Recipient:
Looking forward to your reply, thanks! VY 73!
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