Chapter 4 _________________________ Installation of the Weather Station Components to the Mast
VAISALA ______________________________________________________________________ 113
2.
When you are installing a VHF antenna:
a.
Assemble the hook of the antenna arm around the tube
(number 3 in Figure 99 on page 112) on the mounting
piece.
b.
Secure the antenna arm with the hand screw (2).
c.
Open the two hand screws (4) and turn the antennas (5)
according to Figure 99 on page 112.
d.
Close the two hand screws (4) to secure the antennas.
3.
When you are installing an UHF antenna:
a.
Insert four ground plane elements (number 1 in Figure 100
below) and the radiator (3) to the antenna base (2) by
screwing them clockwise.
0310-062
Figure 100
UHF Antenna Assembly
b.
Assemble the hook of the antenna arm around the tube
(number 3 in Figure 101 on page 114) on the mounting
piece. The notch (4) at the end of the arm must face up.
c.
Secure the antenna arm with the hand screw (2).
d.
Mount the antenna (5) to the antenna arm and secure with
the hand screw.