[TowerTalk] Skip Distance

jimlux jimlux at earthlink.net
Fri Sep 13 13:01:20 EDT 2019


On 9/13/19 9:48 AM, Richard (Rick) Karlquist wrote:
> You could try measuring with short bursts of RF (a few 100's of 
> microseconds) and look at the received signal audio with a scope.
> You should be able to resolve sufficiently in the time domain
> to separate the ground wave signal from the sky wave signal.
> 
> Rick N6RK

This is where one of those $30 RTL-SDR receivers might come in handy.. 
It would be easy to see.




> 
> On 9/12/2019 6:02 PM, Roger D Johnson wrote:
>> I've been running some tests on my 8 circle array with K1JB. Joe is 17 
>> miles away and I sometimes notice deep fading on his signal. Makes 
>> plotting the
>> antenna pattern very difficult. Is it possible to have skywave 
>> contamination
>> at this short range?
>>
>> 73, Roger
>>
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