WAVECOM Decoder W74PC, W-PCI/e, W-CODE, W-CLOUD Manual V9.1.0 Transmission Modes
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The last block 10 is mapped to 4 bits in the telegram and serves to communicate the equipment capability
(B, bit 1), direction (R, bit 2) and abbreviated tactical information (X, Y, bits 4 – 5).
B
0 – Vehicle – dispatcher communications only
1 – Duplex communications possible
R
0 – Vehicle – Dispatcher
1 – Dispatcher – Vehicle
XY
Locally defined
For data protection, a 7-bit Abramson code redundancy block is appended to the data block. This is fol-
lowed by a single stop bit which is however not tested.
As FMS data messages does not carry a date-timestamp, this information is generated by the real-time
clock of the decoder and output to screen as the first data field.
Federal Border Protection
"Johanniter" First Aid Service
"Malteser" Support Service
Catastrophe Protection Service
Miscellaneous rescue services
Civil protection services
Technical Support Service
"Arbeiter-Samariter" Federation