Specifications

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12.Selecting a DGPS Mode
Introduction
ProMark3 RTK can be operated in one of the following DGPS
modes:
1. None: No DGPS mechanism is used but differential cor-
rections from SBAS satellites (SBAS) will be used if
received by one or two of the ProMark3 GPS reception
channels.
2. Beacon: Differential corrections are received by the belt-
carried Magellan MobileMapper beacon. This unit is con-
nected to the ProMark3 or ProMark3 RTK via Bluetooth or
a serial cable.
3. Direct IP: Differential corrections are taken from the Inter-
net at a fixed IP address. They are routed to
ProMark3
RTK via a GSM/GPRS cell phone and Bluetooth.
4. NTRIP (=Networked Transport of RTCM via Internet Proto-
col): Same as Direct IP except that the DGPS correction
provider uses the NTRIP protocol to route correction data.
5. UHF: Only usable with a ProMark3 RTK base/rover configu-
ration to implement a UHF radio link between the base
and the rover. The corrections provided by the base are
RTCM 3.1 corrections.
6. Other RTCM Source: Differential corrections are received by
third-equipment delivering RTCM2.3 message types #1,
#3 and #9. This third equipment is connected to the
Promark3 or ProMark3 RTK via a serial cable or Bluetooth.
The table below summarizes the connection and identification
data needed when operating in the NTRIP or Direct IP mode.
Parameter Direct IP NTRIP
Host IP Address
••
Port Number
••
Login
•
Password
•