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Negative earth system
Figure 11 High voltage MOSFET output switch option: Suggested wiring arrangements
Lightning Protection Option
A lightning Protection kit may be fitted into the antenna lead-in cable. The kit contains a protection
device, two coaxial cable connectors, a connector crimp tool, and mounting hardware.
General
The first line of protection against the effects of lightning-induced surge events involves positioning
that there is at least one other earth-bonded structure located in the same rooftop area (e.g. another
antenna, or a lightning rod) that reaches significantly higher than the top of the GNSS antenna. The
GNSS antenna should then be mounted so that it lies within a 45-degree angle from the top of the
other earth-bonded structure. The GNSS antenna mount itself should also be securely bonded
directly to the building protection earth and not connected via any of the other earthed structures.
However, this will not provide immunity from damage caused by a direct lightning strike, or voltages
induced in the antenna lead-in cable due to side flashes or induction.
All Tekron antenna installations should follow the guidelines above
whether a separate lightning protection device is to be fitted to the antenna lead -in
cable.
In areas with a low incidence of electrical storms, careful attention to antenna positioning and earth
connections may be all the protection deemed necessary. The antenna lightning protection kit LPK
01 affords additional security through the use of an impulse suppressor installed in the antenna lead-
in coax cable. In the event of a lightning-derived high voltage surge occurring on the coaxial cable,
the impulse suppressor activates, short-circuiting the cable directly to the protection ground.
While the Lightning Protector kit provides a high degree of protection, there is no
guarantee of protection against ALL surge related events, including a direct lightning
strike to the antenna. Careful antenna positioning is strongly advised!
The performance of the antenna system under normal (non-surge) conditions is unaffected by the
introduction of a correctly installed Lightning Protector.
Installation
The impulse suppressor should be installed as per the instructions provided with the impulse
suppressor.
TEK-TCG 01-G-Manual-v5-092016
© 2016 by Tekron International Limited. All Rights Reserved. All trademarks are the property of their respective holders. The
information in this document is provided for informational use only and is subject to change. For further information or support, go to
www.tekron.com.
FUSE
LOAD
+
300Vdc max
-
+ P2
0
TCG 01-G with
HV MOSFET
. In practice, this means ensuring
P a g e
| 23
regardless of
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