Changed command line options
* All lower case options define common options * All upper case options define network specific options
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@@ -121,6 +121,7 @@ All digit starts with sync pattern ("0 1 1 1 0").
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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|0 1 1 1 0|0 1 0 0 0|1|0 0 0 1 0| Funkwahl ohne Gebührenübermittlung
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|0 1 1 1 0|0 0 1 0 0|1|0 0 1 0 0| Funkwahl mit Gebührenübermittlung
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|0 1 1 1 0|0 0 0 1 0|1|0 1 0 0 0| Funkwahl mit Gebührenübermittlung (Payphone)
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|0 1 1 1 0|1 0 0 0 0|1|0 0 0 0 1| Funkwahlende
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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@@ -514,7 +515,7 @@ But you get a busy signal, that means there is no channel.
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<p>
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Now run your base station on channel 1.
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You may add '-g x' or '--gfs x' command line option to change the station ID from default to any value you like. (see help)
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You may add '-G x' or '--gfs x' command line option to change the station ID from default to any value you like. (see help)
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If you have a phone that supports GFS 19, please use this GFS 19 to reduce the transmit power of the phone to 100 mW instead of 15 Watts.
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To see if your phone supports it, try to preselect GFS 19.
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Tune the transmitter to 153.010 MHz and the receiver to 148.410 MHz.
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@@ -698,7 +699,7 @@ Detecting loss of carrier signal:
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We do not have any RSSI (Received Signal Strength Indicator) signal from our radio, so we cannot directly find out if the signal is lost.
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But we have a constant noise level when the signal is lost.
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Be sure to have squelch on your receiver all the way open, so that noise reaches the base station.
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In order to see this level, use command line option '-0 100 -D 0' or '--loss 100 --debug 0'.
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In order to see this level, use command line option '-L 100 -v 0' or '--loss 100 --verbose 0'.
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The noise level (relative to the sound card's input level) is shown:
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</p>
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@@ -710,8 +711,8 @@ loss.c:74 debug : Noise level = 22%
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<p>
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Since we have a noise level of about 20%, we can use a threshold of 10%.
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Use command line option '-0 10' in this case.
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To see the process, keep debugging on by using command line option '-D 0'.
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Use command line option '-L 10' in this case.
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To see the process, keep debugging on by using command line option '-v 0'.
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Whenever the noise level is above the given percentage, loss of carrier is assumed, if the noise level is constant.
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If the noise level changes (due to speech), the noise is ignored and the loss counter is reset.
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After a system specific duration of signal loss, the call is released.
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