From 86c7a9c49f29958d728c7de09ec1086a79e9dbf4 Mon Sep 17 00:00:00 2001 From: Brumi-2021 <86470699+Brumi-2021@users.noreply.github.com> Date: Fri, 7 Mar 2025 23:19:17 +0100 Subject: [PATCH] Updated Audio Receivers (markdown) --- Audio-Receivers.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Audio-Receivers.md b/Audio-Receivers.md index 4f1fe90..5ade022 100644 --- a/Audio-Receivers.md +++ b/Audio-Receivers.md @@ -42,7 +42,7 @@ The Key Items on the App that can be seen or selected with the cursor and change * **AM:** Bandwidth settings of DSB 9k, DSB 6k, USB+3k, LSB-3k, CW. The Spectrum view is +/-20k. * **NFM:** Bandwidth Settings of 16k,11k,8k5. Note there is no setting for the more common 6k5 used in European Spectrum plans. Next item is SQ: which is shown in the format of 40/99 allow the noise squelch point to be set Between 0-99. Typically, around 40-50 is a good threshold. * **Gain:** The RF Amp settings. The Spectrum view is +/-20k. - * **USB+FM:** It is used to demodulate Wefax (HF Weather fax transmissions) , demodulating the signal in two steps, first demodulating the tuned RF signal in USB , extracting audio tones. And then demodulating again those FM modulated subcarrier audio tones, to extract APT low scan weather fax map signal. (that signal can be recorded into audio.wav file . Still our mayhem is not decoded the picture. Coming soon) + * **USB+FM:** It is used to demodulate Wefax (HF Weather fax transmissions) , demodulating the signal in two steps, first demodulating the tuned RF signal in USB , extracting audio tones. And then demodulating again those FM modulated subcarrier audio tones, to extract APT low scan weather fax map signal. (that signal can be recorded into audio.wav file . Still current mayhem fw can not decoded the picture -we need external programs, but coming soon, please wait ...) ![image](https://github.com/user-attachments/assets/3b76e009-d64f-495f-8976-1858502248ec) ![image](https://github.com/user-attachments/assets/58acad5c-5abe-4b2b-858f-eb8aed06a228)