Hi Duane,
I am in the process of building a 220 repeater as well, pretty much
from spare parts and whatever I can find. I found an exciter that
once was part of a Clegg FM-76, and some sort of VHF Engineering
receiver kit that was put together decades ago. The exciter runs
around 500 mW
The T-1504 works very well if clean. The notches are difficult to tune
perfectly if the inside of the cavity has been exposed to moisture. I
have opened up cavities and cleaned with steel wool and coated with
light grease and they tune much better.
I am not sure if anyone else has had this
Hello group,
I have been working on building a duplexer for 222 MHz from old 150
MHz cavities. I have three Decibel products cans, which look the
size of regular 150 MHz cans, but have been told they are actually an
old 450 MHz all pass-band duplexer. I don't know the model number
but they
Thanks for all replies. I have several of the Comet diplexers with
PL-259's, one Pro-Am model, one Larsen, and one made by Daiwa. One
person commented on the duplex noise and I tend to get alot of this
from all of these except the Larsen, which burnt up several years
back with 60 watts of
Hello Group,
Does anyone have, or know where I can get plans to homebrew a 144/440
MHz crossband coupler (aka diplexer) ?? I would like to find
something with wideband characteristics (ie, low pass, high pass)
such as some of the diamond or comet models, but needs to be able to
handle 100
Hello Group,
I have read the messages and heard the debates about using LMR-400 or
99/13 type cables with aluminum foil mixed with tinned copper braid,
and the duplex noise it presents when used on the output of the
duplexer to the antenna. I have tried to stay away from this since I
got
I ordered 8 Snap-Disc type thermostats which close at 110 degrees (F)
and open at 90 deg (F). They are made by White Rodgers and the model
number is 3F01-110. They are too big for the space I have, so I'd
like to move them to someone who can use them. All 8 for $40 and
I'll even pay
--- In Repeater-Builder@yahoogroups.com, John J. Riddell
[EMAIL PROTECTED] wrote:
Regarding the time out problem in the GE Mastr II, check the
repeater
control board, 19D417385 G2
and add a .01 capacitor from pin 5 of U-1 and U-2 (555 timers) to
ground.
* I'm not sure if I have the
I am using a full blown GE Mastr II repeater station with an IDA
control board (I suppose this is a factory installation). It has a
speaker on the front, with a volume control and a few selector
switches, and jumpers on the board which select time out, hang time,
etc. I have a CW identifier
Thanks much for the info. Just the type of answer I was searching
for. I'll try that this weekend. Thanks again,
KC4FWC
Regarding the time out problem in the GE Mastr II, check the
repeater
control board, 19D417385 G2
and add a .01 capacitor from pin 5 of U-1 and U-2 (555 timers) to
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