M3SR Series 4100 Addressing of GPS Transmissions
5.10 Operating Manual 6175.4760.02 – 01
5.2.1.3 Addressing of GPS Transmissions
Broadcast
In broadcast addressing mode, GPS (Global Positioning System) pull and configuration re-
quests are transmitted to all participants and all participants (within operational reach and be-
ing synchronized to the network and GPS system) respond by broadcasting their GPS
information (if available) to the network.
Also, all push data (see sect. 5.2.1.2 Types of GPS Transmission) are transmitted as broad-
cast.
Point-to-Point
In Point-to Point (P2P) addressing mode, GPS pull and configuration requests are sent to a
single GPS participant and only this participant responds. The response, however, is sent as
broadcast to the whole network.
In order to avoid on-air collisions, Immediate Pull (IPL (R&S M3TR) or 'Immediate PULL'
(R&S M3SR Series 4100)) requests can only be used in connection with point-to-point ad-
dressing.
Participant Selection List
The selection list for the addressable GPS participants supports the selection of
• a single GPS participant (point-to-point)
• all GPS participants (broadcast)
when sending controller initiated command requests (IPL (Immediate PULL), PUL (Sched-
uled PULL) and APR (Auto Push List] commands)). After a command softkey is pressed, the
user is presented with a selection list of R&S RNMS3000 configured radios participating in
GPS reporting:
The list contains
• an entry for broadcast sending and
• the names of all configured GPS participants except for the own radio.
R&S M3TR R&S M3SR Series 4100
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