Antenna discharge units are voltage limitation devices figure 4.
Grounding a hd roof antenna.
Most people use a galvanized steel ground strap such as this one.
With typical current levels rising to anywhere between about 3 000 and 140 000 amps it is hardly.
It s recommended to use a separate clamp and not the one used to ground the coaxial to the house ground.
There are many dramatic photographs of lightning striking tall buildings or even just striking the ground.
Grounding the mast is easy.
Simply attach an 8 or 10 awg copper wire to the mast using a mast ground clamp and run the other end of the copper wire to the house ground.
Ground the antenna mast.
How to ground antenna for lightning.
An example is the 90628 ground pipe clamp by morris products.
If you need to bend the ground wire make the bends as gradual and as smooth as possible.
An alternative is a pipe clamp which is heavy duty and made of steel with serrated adapters.
Try to keep your ground wire runs as short as possible and avoid making 90 degree turns or bends.
Grounding the coaxial was the hard part.
An antenna discharge unit consists of an arc gap spark gap a fixed resistance or discharge element or a combination that is connected between each lead in terminal and a grounding terminal.
Connect 8 gauge wire to a copper clad ground rod driving it at least 4 feet into the ground.
The lightning strike can have a very destructive effect.
Grounding is a very easy procedure and you require the following 3 items to effectively ground your antenna 1 good quality copper wire 10 awg gauge is the best for an antenna for a satellite you can use 6 gauge but for an antenna we recommend 10 gauge copper wire belden.
To protect yourself from a direct strike attach a lightening arrester to the antenna mast.
4 schematic of an antenna discharge unit for wire conductors.
2 a simple grounding block 3 grounding rod 48 inch 4 feet grounding rod.