Printed in Canada
Page 1
The PB-81 Parabeam UHF parabolic screen reflector antenna
is of modular design for use
singly or in dual arrays and offers very high gain with extremely low windloading. It is supplied with
the necessary installation hardware. Output terminal is a 75-ohm threaded “F” type fitting.
Model : PB-81 Instruction Sheet
PB-81 screen reflectors
are shipped in two sections and must be assembled prior to mounting
the feed assembly. The entire antenna assembly is then raised into position, oriented and secured
to the mast or tower leg as shown in Figure 1 and overview drawing on page 4.
Overview
Materials and tools required
Mechanical Specifications
M
ODEL
R
EFLECTOR
D
IMENSIONS
(I
N
.)
T
HRUST
**
S
IZE
(
FT
)
Q
TY
W
IDTH
H
EIGHT
D
EPTH
*
N
O
I
CE
1/4” I
CE
N
ET
S
HIPPING
PB-81
8.0
1
99.5
96.5
18.0
389
805
100
155
W
EIGHT
*Depth for reflector only
**Thrust in pounds transferred to supporting structure at 30 PSF
1. An appropriate 75-ohm downlead equipped with a 75-ohm female “F” type connector and a
weatherboot.
2. Weatherproofing compound.
3. A ratchet wrench with 7/16 and 9/16 inch sockets.
4. A 7/16 open-end wrench
Instruction Sheet
30569-002 Rev. E
09/04/08
Please Note:
A qualified structural engineer
should be consulted prior to mounting an
antenna on a tower or support structure.
Figure 1
Delhi Antenna Products Division
