very early stage, only a flow graph yet but it's usable with a CTCSS frequency chart (try wikipedia). Minimal docs here Most cpu hungry part is the complex bandpass filter which seems needed by the ...
I have just installed a new repeater running 15.11 on Debian Jessie on an RPi. No initial probems detected until I tinker with deemphasis in [Rx1]. WIth DEEMPHASIS=1 the ctcss is decoded succesfully ...
The AK2345 is an IC which supports CTCSS (Continuous Tone Controlled Squelch System), compatible with TIA/EIA-603 standard. A single CTCSS may be selected from among 50 different frequencies within a ...
To allow multiple users to share one carrier frequency, many handheld transceivers employ Continuous Tone Coded Squelch System (CTCSS) encoders and decoders. CTCSS systems add a tone at the low end of ...
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