Spectra Precision SP80 - Manual (Page 56)

English
50
Completing Base
Radio Setup With
External UHF
Antenna
Two types of base setups are possible with an external UHF
antenna:
• The UHF antenna may be installed in vertical position on
the same tripod as the base receiver.
For this setup, you may use one of the available two
PacCrest radio accessory kit options.(see Other Optional
Accessories on page 4; the two kits are similar in terms of
the hardware provided to install the UHF antenna).
Follow the instructions below:
– Secure the bracket onto one of the legs of the tripod
(see [8]).
– If you wish to keep GNSS reception optimum, you may
keep the UHF antenna below the GNSS receiver by
fastening the counterpoise of the antenna directly onto
the bracket (see [9]). (The antenna counterpoise is
part of, and is located at one end of the coaxial cable
provided.)
Then screw the antenna support onto the counterpoise
and mount the UHF antenna on top of it (see [10]).
– If you prefer to optimize the radio range with this
setup, raise the UHF antenna by inserting the two-
element pole provided between the bracket and the
antenna counterpoise (see [11]).
• The UHF antenna may be installed on a separate tripod at
some distance from the base receiver, but still remaining
compatible with the length of the coaxial cable you will be
using. The UHF antenna should be installed at the highest
possible height.
[8]
[9]
[10]
[11]