[TowerTalk] spark gaps & GDT's for lightning/static
jimlux
jimlux at earthlink.net
Mon Apr 10 17:03:36 EDT 2017
On 4/10/17 8:11 AM, Jim Thomson wrote:
> ## You dont see am, fm broadcast or even cell sites with coax disconnected during lightning storms,
> they all stay on the air. The broadcast ants and towers on the rooftops in chicago + NYC get hit all
> the time with lightning...so they must have it figured out.
>
Yes, but they typically do not have a sensitive receiver connected to
those antennas.
Clamping the output of a 50kW transmitter to 2kV with a spark gap isn't
going to be an issue, and a lightning stroke that results in 2kV on the
transmitter output is something the transmitter can probably handle.
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