[time-nuts] eLoran test 6 Feb for almost 2 months

Bob Camp kb8tq at n1k.org
Sat Feb 4 21:17:12 EST 2017


The ground wave (hopefully) travels a shorter path. The gotcha comes in when
the phase shift is 180 degrees and you start nulling things out. That will play havoc 
on the “stuff” that works out the envelope shape for detecting the third pulse. 

Again, I didn’t design a from scratch receiver to do all this back in the 80’s. I just 
tuned my Austron over to another chain to see how it did and drew some conclusions. 


> On Feb 4, 2017, at 6:55 PM, Hal Murray <hmurray at megapathdsl.net> wrote:
> kb8tq at n1k.org said:
>> If I had not already calibrated the  local standard against a nearby chain …
>> no way to figure out which data was correct.  
> Isn't the ground wave shorter and hence gets there sooner?  Couldn't you use 
> that to calibrate an uncalibrated local standard?
> -- 
> These are my opinions.  I hate spam.
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