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| May 2015 | 2.0
1.4. Slingshot field hub
To receive RTK correction data with an internet
connection a GSM-modem is required. A
SlingShot field hub is a GSM-modem with a
dual GSM-antenna possibility to be able to work
with low GSM signal strengths.
In Figure 4 all Slingshot field hub connections
are numbered.
1.
Power supply
2.
UMTS-antenna (diversity)
: see Figure 5
3.
GPS-antenna
4.
UMTS -antenna (main)
: see Figure 5
5.
RS-232:
COM-port for serial
communication; sends RTK correction
data.
6.
Ethernet
7.
SIM slot
8.
LED’s:
indicate information about the
status of the connection.
See for more information of the Slingshot field
hub on the Raven website:
http://ravenhelp.com/Product-
Support/Slingshot/Slingshot.aspx#manuals
1
2
3
4
5
6
7
8
Figure 4 SlingShot field hub
Figure 5 UMTS-antenna
