[NLRS] Is there published data on tree foliage ...

Mike King - KM0T scsueepe at mtcnet.net
Fri Jul 11 09:27:22 EDT 2014


I don't know how those analog "anti-ghost" things worked - guess I never
thought about it.  But perhaps you guys in the cities need a "digital"
version of it for the new TV format??

73 - Mike - KM0T

-----Original Message-----
From: NLRS [mailto:nlrs-bounces at mailman.qth.net] On Behalf Of Jon Platt via
NLRS
Sent: Friday, July 11, 2014 8:10 AM
To: nlrs at mailman.qth.net
Subject: Re: [NLRS] Is there published data on tree foliage ...

I just don't understand why I can't get enough signal sometimes. 

 
I suspect multi-path.  I don't have a deep understanding of the new digital
TV format but I suspect that the TV receiver might be having a hard time
determining which time varied signal to sync with?   Although I live farther
from the Shoreview I see it too.  

Newer TV sets have a build in signal monitor (S-meter) that you can find in
the TV's menu structure and when I watch mine I have a signal level of
97/100 or 98/100 and the meter is in the "green", then suddenly the picture
drops and the signal reading goes to 0/100 before the TV "relocks" and the
picture appears again.

I think the new digital TV format is designed to be sent over a cable and
not propagated via the ether?  Maybe a sharper antenna would help .... it
may depend on where the strongest multipath reflectors are coming from?

73, Jon
W0ZQ  
 
 





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