[By the way, we all know this isn't an unfriendly debate right? --
it's just a conversation about a popular repeater type -- if someone
out there is getting angry about it, you're probably too worked up
over this one. I'm just feeling out Kevin on why he finds this type
of configuration
I 'cheat' - the GE IDA controller has one of these built in. In position
1, it's the external controller. Position 2 is the internal one.
Position 3 (temporary spring contact) is the manual PTT. I switch the RX
audio and the COS in order to get two completely separate paths so there
is no
Joe wrote:
Imagine pulling off the coax to the PA to do some quick voltage tests.
The DVM cable gets caught around the coax and flips it onto the circuit
board. The coax shield makes contact with the A+ trace on the board and
it instantly turns bright red before going up in smoke.
Nate Duehr wrote:
You guys do realize the mod is specifically for a MASTR II Station, right?
I don't think you're discussing MASTR II Stations anymore.
On a MASTR II station, a disable TX switch simply isn't necessary.
/The proof is in the pudding: There have been hundreds of
Joe wrote:
I was looking at the modification by N3XCC regarding the modification of
the Intercom switch on the 10 volt regulator board at:
http://www.repeater-builder.com/ge/gestationcontrol.html
I don't quite get the point of going through the effort of having a TX
disable switch mod on the
Nate Duehr wrote:
Joe wrote:
I was looking at the modification by N3XCC regarding the modification of
the Intercom switch on the 10 volt regulator board at:
http://www.repeater-builder.com/ge/gestationcontrol.html
I don't quite get the point of going through the effort of having a TX
Kevin Custer wrote:
It provides a clean - sharp drop of the carrier. When listening or
testing for desense, you need something that is sharp, not something
that is going to reduce the drive power, put the Class C amp in a
spurious condition, and possibly fry your preamp with on channel
that that is Kevin's point.
73, Eric Lemmon WB6FLY
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Nate Duehr
Sent: Thursday, December 06, 2007 9:52 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Converting the GE MastrII
On Dec 6, 2007, at 9:15 PM, Eric Lemmon wrote:
Nate,
I think what Kevin means is that a quick and easy test for desense
in a
repeater is to look at the service monitor's SINAD meter change
during the
instant (not several minutes later) that the transmitter is
disabled. If
the
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