[PBARC] 442.175 repeater

E Glenn Wolf Jr glenn at arwolfpack.com
Wed Jul 21 17:13:37 EDT 2010


All -

I've observed over that last few days some popping/noise in the repeater 
and at times the s-meter on my radio shows less than full scale.  In 
addition to the APRS digi node being installed recently (on 144.390) at 
the same site know that the temperature in this room is likely to be 100 
degrees + .   This may be affecting the repeater.  The manual recommends 
installing a fan if the environment exceeds 100 degrees.  It is possible 
that the diplexer is a playing a roll in this though the propaganda on 
the device says it only introduces a .1 db loss so that should not be 
affecting anything.

There is an A/C unit in the room but I don't know that it works.  I will 
try it next time I'm there (hopefully Friday).  If so, I will turn it on 
and hope that it can lower the temperature some.  If the A/C doesn't 
work, I will have a fan that I will setup to help "cool" things off.

KC5MN will be taking a look at the 146.700 repeater/controller and 
hopefully figure out what its problem is.  Bill - thanks in advance for 
helping!

Baseball season is over so I'm going to resume working on the 147.240 
repeater.  Last night I found out that there was no pin-out for the db9 
on the back of the repeater.  I got that information this morning so I 
can now build an interface cable.  The Maggiore folks were quick to 
provide this information.

73s,

glenn








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