[HCARC] Low Pass Filter

Bill Tynan billandmattie at windstream.net
Sun Feb 9 18:48:48 EST 2014


Gary: Probably not, unless one is having trouble with TVI. TVI is almost of 
no concern anymore, THANK GOD, with most people getting TV via cable or 
satellite. For those who do get it off the air, it's almost always high VHF 
and UHF channels.

Hope this helps.

73,

Bill, W3XO

--------------------------------------------------
From: "Gary J - N5BAA" <qltfnish at omniglobal.net>
Sent: Saturday, February 08, 2014 2:22 PM
To: <hcarc at mailman.qth.net>
Subject: [HCARC] Low Pass Filter

> I recently picked up Band Pass Filters (80/75, 40, 20, 15 meters) for 
> Field Day use and am sure I pretty much understand when and why they are 
> used.  My brother has found a Low Pass Filter in his latest group of stuff 
> (he buys and resells storage lockers, auctions, etc and you never know 
> what is in a box lot).  The specs are:  Bell Industries, Transmitter Low 
> Pass Filter,  1000 watts below 30 mhz,  (2000 watts PEP SSB),  attenuation 
> greater than 80 db above 41 mhz., 50 ohm input and output.
>
> What is it, and when/why is one used??  Is it worth paying the shipping 
> from San Diego to Kerrville???
>
> Gary J
> N5BAA
> HCARC Secretary 2013/14
> 2014 Field Day Coordinator
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