AMPS

History

*TBD*

  • Frequency range:
  • xxx voice channels
  • Duplex distance: 45 MHz
  • Channel spacing: 30 KHz
  • Voice modulation: FM
  • Signalling modulation: carrier FSK
  • Frequency deviation: 8 KHz (FSK)
  • Mobile station transmit power:
  • Base station transmit power:

*TBD*

Setup of a base station

*TBD*


# amps -k 334 -F yes -E -e
...
Selected System ID (SID) 40 belongs to:
        Salinas, CA (GTE Mobile)
        San Francisco, CA (GTE Mobile)
        San Jose, CA (GTE Mobile)
        San Rosa, CA (GTE Mobile)
        Santa Barbara, CA (GTE Mobile)
amps.c:390 notice : You selected 'combined control & paging & voice channel'.
This is a hack, but the only way to use control channel and voice channel on one transceiver.
 Some phones may reject this.
amps.c:481 info   : Entering IDLE state, sending Overhead/Filler frames on combined control & paging
 & voice channel.
Base station on channel 334 ready, please tune transmitter to 880.020 MHz and receiver to 835.020 MHz.
frame.c:3658 info   : RX Level: 54% Quality: 66% Polarity: NEGATIVE
frame.c:3658 info   : RX Level: 53% Quality: 65% Polarity: NEGATIVE
frame.c:3658 info   : RX Level: 52% Quality: 60% Polarity: NEGATIVE


frame.c:3630 info   : RX RECC: DCC=0
frame.c:2990 info   : Received: Word A - Abbreviated Address Word
frame.c:2990 info   : Received: Word B - Extended Address Word
frame.c:2990 info   : Received: Word C - Serial Number Word
amps.c:635 info   : Registration 617XXXXXXX (ESN = 825b5f79, Class 6 / Discontinuous / 25 MHz)
transaction.c:175 info   : Transaction state IDLE -> REGISTER ACK
transaction.c:98 info   : Created transaction '617XXXXXXX' for subscriber 'REGISTER ACK'
amps.c:989 info   : Sending Register acknowledge
transaction.c:175 info   : Transaction state REGISTER ACK -> REGISTER ACK SEND
frame.c:2691 info   : Transmit: Word 1 - Abbreviated Address Word
frame.c:2691 info   : Transmit: Word 2 - Extended Address Word (SCC == 11)
frame.c:2691 info   : Transmit: Word 1 - Abbreviated Address Word
frame.c:2691 info   : Transmit: Word 2 - Extended Address Word (SCC == 11)
frame.c:2691 info   : Transmit: Word 1 - Abbreviated Address Word
frame.c:2691 info   : Transmit: Word 2 - Extended Address Word (SCC == 11)
transaction.c:117 info   : Destroying transaction for subscriber '617XXXXXXX'
transaction.c:175 info   : Transaction state REGISTER ACK SEND -> IDLE


frame.c:3630 info   : RX RECC: DCC=0
frame.c:2990 info   : Received: Word A - Abbreviated Address Word
frame.c:2990 info   : Received: Word B - Extended Address Word
frame.c:2990 info   : Received: Word C - Serial Number Word
frame.c:2990 info   : Received: Word D - First Word of the Called-Address (Origination - Voice Service)
amps.c:653 info   : Call 617XXXXXXX -> 5551212 (ESN = 825b5f79, Class 6 / Discontinuous / 25 MHz)
transaction.c:175 info   : Transaction state IDLE -> CALL ASSIGN MOBILE ORIGINAT ING
transaction.c:98 info   : Created transaction '617XXXXXXX' for subscriber 'CALLASSIGN MOBILE ORIGINATING'
amps.c:1003 info   : Assigning channel to call from mobile station
transaction.c:175 info   : Transaction state CALL ASSIGN MOBILE ORIGINATING ->
CALL ASSIGN MOBILE ORIGINATING SEND
frame.c:2691 info   : Transmit: Word 1 - Abbreviated Address Word
frame.c:2691 info   : Transmit: Word 2 - Extended Address Word (SCC != 11)
frame.c:2691 info   : Transmit: Word 1 - Abbreviated Address Word
frame.c:2691 info   : Transmit: Word 2 - Extended Address Word (SCC != 11)
frame.c:2691 info   : Transmit: Word 1 - Abbreviated Address Word
frame.c:2691 info   : Transmit: Word 2 - Extended Address Word (SCC != 11)
transaction.c:175 info   : Transaction state CALL ASSIGN MOBILE ORIGINATING SEND -> CALL
amps.c:951 info   : Staying on combined control + voice channel 334
amps.c:959 info   : Setup call to network.
call.c:590 info   : Incomming call from '617XXXXXXX' to '5551212'
dsp.c:678 notice : SAT level 72.31% quality 98%p)
dsp.c:678 notice : SAT level 78.63% quality 100%)
dsp.c:678 notice : SAT level 78.76% quality 100%)
amps.c:585 info   : Detected SAT signal with quality=100.
dsp.c:678 notice : SAT level 78.66% quality 100%)


amps.c:525 info   : Detected Signalling Tone with quality=100.
transaction.c:117 info   : Destroying transaction for subscriber '617XXXXXXX'
transaction.c:175 info   : Transaction state CALL -> IDLE
call.c:711 info   : Call has been released with cause=16
amps.c:481 info   : Entering IDLE state, sending Overhead/Filler frames on combined control & paging
& voice channel.


call.c:457 info   : Outgoing call to 617XXXXXXX
amps.c:753 info   : Call to mobile station, paging station id '617XXXXXXX'
transaction.c:175 info   : Transaction state IDLE -> PAGE
transaction.c:98 info   : Created transaction '617XXXXXXX' for subscriber 'PAGE'
amps.c:1025 info   : Paging the phone
transaction.c:175 info   : Transaction state PAGE -> PAGE SEND
frame.c:2691 info   : Transmit: Word 1 - Abbreviated Address Word
frame.c:2691 info   : Transmit: Word 2 - Extended Address Word (SCC == 11)
frame.c:2691 info   : Transmit: Word 1 - Abbreviated Address Word
frame.c:2691 info   : Transmit: Word 2 - Extended Address Word (SCC == 11)
frame.c:2691 info   : Transmit: Word 1 - Abbreviated Address Word
frame.c:2691 info   : Transmit: Word 2 - Extended Address Word (SCC == 11)
transaction.c:175 info   : Transaction state PAGE SEND -> PAGE REPLY
frame.c:3658 info   : RX Level: 60% Quality: 90% Polarity: POSITIVE
frame.c:3630 info   : RX RECC: DCC=0
frame.c:2990 info   : Received: Word A - Abbreviated Address Word
frame.c:2990 info   : Received: Word B - Extended Address Word
frame.c:2990 info   : Received: Word C - Serial Number Word
amps.c:655 info   : Paging reply 617XXXXXXX (ESN = 825b5f79, Class 6 / Discontinuous / 25 MHz)
transaction.c:175 info   : Transaction state PAGE REPLY -> CALL ASSIGN MOBILE TERMINATING
amps.c:1012 info   : Assigning channel to call to mobile station
transaction.c:175 info   : Transaction state CALL ASSIGN MOBILE TERMINATING ->
CALL ASSIGN MOBILE TERMINATING SEND
frame.c:2691 info   : Transmit: Word 1 - Abbreviated Address Word
frame.c:2691 info   : Transmit: Word 2 - Extended Address Word (SCC != 11)
frame.c:2691 info   : Transmit: Word 1 - Abbreviated Address Word
frame.c:2691 info   : Transmit: Word 2 - Extended Address Word (SCC != 11)
frame.c:2691 info   : Transmit: Word 1 - Abbreviated Address Word
frame.c:2691 info   : Transmit: Word 2 - Extended Address Word (SCC != 11)
transaction.c:175 info   : Transaction state CALL ASSIGN MOBILE TERMINATING SEND ->
CALL ALERT MOBILE TERMINATING
amps.c:951 info   : Staying on combined control + voice channel 334
frame.c:2691 info   : Transmit: Mobile Station Control Message Word 1 (SCC == 11)
dsp.c:678 notice : SAT level 76.43% quality 98%
frame.c:2691 info   : Transmit: Mobile Station Control Message Word 1 (SCC == 11)
dsp.c:678 notice : SAT level 77.44% quality 99%
frame.c:2691 info   : Transmit: Mobile Station Control Message Word 1 (SCC == 11)
dsp.c:678 notice : SAT level 78.58% quality 99%
amps.c:585 info   : Detected SAT signal with quality=99.
frame.c:2691 info   : Transmit: Mobile Station Control Message Word 1 (SCC == 11)
dsp.c:678 notice : SAT level 79.75% quality 100%
amps.c:525 info   : Detected Signalling Tone with quality=100.
call.c:646 info   : Call is alerting
transaction.c:175 info   : Transaction state CALL ALERT MOBILE TERMINATING ->
CALL ALERT MOBILE TERMINATING SEND
dsp.c:678 notice : SAT level 67.88% quality 98%
dsp.c:678 notice : SAT level 80.28% quality 99%
dsp.c:678 notice : SAT level 80.39% quality 99%
dsp.c:678 notice : SAT level 80.08% quality 100%


mps.c:527 info   : Lost Signalling Tone signal
call.c:689 info   : Call has been answered by '617XXXXXXX'
transaction.c:175 info   : Transaction state CALL ALERT MOBILE TERMINATING SEND -> CALL


call.c:479 info   : Call hangup
amps.c:836 info   : Call has been released by network, releasing call.
amps.c:866 info   : Call control releases on voice channel, releasing towards mobile station.
transaction.c:175 info   : Transaction state CALL -> CALL RELEASE
amps.c:1048 info   : Releasing call to mobile station
transaction.c:175 info   : Transaction state CALL RELEASE -> CALL RELEASE SEND
frame.c:2691 info   : Transmit: Mobile Station Control Message Word 1 (SCC == 11)
dsp.c:678 notice : SAT level 76.60% quality 100%
transaction.c:117 info   : Destroying transaction for subscriber '617XXXXXXX'
transaction.c:175 info   : Transaction state CALL RELEASE SEND -> IDLE
amps.c:481 info   : Entering IDLE state, sending Overhead/Filler frames on combined control &
paging & voice channel.

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