M3SR Series 4100 SECOM-H Specifics of GPS Reporting (Option)
5.14 Operating Manual 6175.4760.02 – 01
5.2.1.5 SECOM-H Specifics of GPS Reporting (Option)
See sect. 5.2 GPS Reporting.
GPS (Global Positioning System) reporting can be used under SECOM-H only in combina-
tion with the waveform services IP-Data, IP-Repro or Voice-over-IP Data.
As prerequisites,
• a net entry (requested from non-TRU stations from the timing reference unit (TRU) sta-
tion must have been executed successfully by all GPS participants,
• the service selection IP-Data, IP-Repro or Voice-over-IP Data must be chosen in
R&S RNMS3000
• a valid IPoA (IP over Air) net must be configured in R&S RNMS3000 (regarding IP-Air
addresses, the IPoA operation mode, routing tables)
for the exchange of GPS information to function.
If the SECOM-H on-air channel is currently occupied by transmitting voice, data or network
service information, no GPS information can be transmitted and vice versa.
Compared to other waveforms the timings for SECOM-H are extended. Depending on
the number of radios within the network and the used search pattern the minimum cy-
cle time is 4 s.
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