Had basically the same problem with w GE MASTR II repeater on VHF HI. The
issue was with the repeater transmitter. When the repeater sat quiet for a
while then it was keyed up the transmitter would have many spurs that would
slowly travel up the band. This affected other repeaters that were open
Only if your crystals in the ICOMs are from BOMAR.
David
From: Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of steve
Sent: Tuesday, August 03, 2010 5:33 PM
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] Mastr II drift problem
Had an issue also with a dstar repeater. Seems that the repeater was co
located with another analog repeater and when both transmitters came up I
would see and hear the dstar signal on the input of my repeater. The two
transmitters were mixing in a filter on the dstar antenna. Operators of the
If the system that you are using has CTCSS then it sounds like your voice at
times is causing the tone to not be decoded causing your voice to cut out.
This happens if your deviation is too wide and/or your mic volume is too
high.
David
From: Repeater-Builder@yahoogroups.com
If you have the software to program the radio there are help files. Just
press f1 after opening up the program and reading the code plug. If you
don't have the software then it is really hard (impossible) to add or delete
modes.
David
From: Repeater-Builder@yahoogroups.com
radio's. thanks again
--- In Repeater-Builder@yahoogroups.com
mailto:Repeater-Builder%40yahoogroups.com , David Murman dmur...@...
wrote:
If you have the software to program the radio there are help files. Just
press f1 after opening up the program and reading the code plug. If you
don't have
I have an NHRC3-M11-00 with a com-spec encoder/decoder that I pulled from a
mobile MASTR II that I am no longer using as a repeater. If anyone is
interested in the controller I am asking $125.00 shipped. Please contact me
off list if interested.
David
dmurmanATverizonDOTcom
You know Motorola told us the same thing when our FD was getting
interference from another jurisdiction on the same frequency. Well the ones
that didn't know squat about radio listened to Motorola and well many times
the mobiles could not even open the receiver because of the other
transmitter
Yep been running one on our ARMY MARS repeater and working great.
Bought another as a spare.
David
From: Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of John J. Riddell
Sent: Sunday, February 14, 2010 3:06 PM
To: Repeater-Builder@yahoogroups.com
I don't have the radio or manual with me at this time but I think you need
to program scan by going to F2 then select zones then select scan. I have
my Spectra set up for Zones so I can have a different scan for the Zone I
select.
Hope this helps.
David
From:
Anyone have a service manual for the Cushman CE31-B service Monitor?
David
WA4ECM
Yes, you are correct. The hear clear is only used in the 900 mhz
spectra. Changing the CAPS should help especially aroung the audio amp
chip. I have not had any issues with the VHF Spectras giving a popping
sound except I had to replace the audio amp chip in one. It was fun to
do but at the same
Had the same problem with a 900 mhz Spectra. The hear clear board was
the problem. Changed it and the popping noise went away.
David
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of tahrens301
Sent: Tuesday, November
AMEN!
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of ki4zji
Sent: Saturday, November 21, 2009 9:29 AM
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] Off topic ... a time for God
I am deeply
The RSS you have needs to be run on a DOS machine. I use an older 166 P1
machine that I bring up in DOS. I have Spectras on VHF high and 900 mhz.
You will need to hack the software but you can find all the info you need on
the WEB site BATLABS.
I have my Spectra on both AF MARS and ARMY MARS
Have a G7-144 on our ARMY MARS repeater here and has been up since 1998 with
no antenna issues. We removed the clamps and drilled holes after tuning the
antenna to our frequency and used sheet metal screws to secure the tubing.
The antenna is mounted on the top of a building about 180 ft.
Sounds like he has a noise source near by causing him his problems. Probably
not in the repeater at all. Had similar experience with a 50 mhz repeater
located on a mountain top. Grounding wasn't the best and any noise generated
by the wind moving the towers made the repeater at times almost
I have a manual for the old 150 - 174 MC T-Power that has the diagram for
Carrier and Dual Squelch. Cannot find any reference to what the PL tones are
but I would assume that they have not changed over the years.
David
-Original Message-
From:
There are NO MARS frequencies for HAMS.
David
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of WA3GIN
Sent: Sunday, August 30, 2009 4:44 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Re:
I'm not sure how long many on this board have been in ham radio but years
ago when getting a license for a ham repeater, yes there was a special
license, it was mandatory that you had a receiver monitoring the output of
your repeater and if the frequency was in use the repeater was not to
transmit
Sounds like your transmitter has spurs and it is drifting getting into the
receiver. I had this happen to a GE MASTR II repeater that one of the HAMS
put a filter cavity on the transmitter to fix a desense problem. When the
repeater was first keyed after being idle for a while it had spurs like
Interesting story. I work as a patrol deputy for the local sheriff's office
and we normally test the lights and siren before going on patrol (won't give
us take home vehicles). Our parking area is below the building and a few
months ago we got word from the Sheriff that the testing of the sirens
We had a similar problem years ago with a six meter repeater in Virginia.
Problem was the site did not have a good ground and static would build up on
the tower and antenna and cause all kind of noise on the receive signal. At
first thought it was desense. Very difficult to get a good ground
Have you look at your transmitter when the desense starts?
David
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Mike Besemer (WM4B)
Sent: Monday, October 06, 2008 7:39 PM
To: Repeater-Builder@yahoogroups.com
Subject:
I have a Cushman CE31B service monitor and need the service manual.
Generator is ok but the receive is 12khz low.
Thanks;
David
The FCC issued an Order of Dismissal and Termination against Jack R.
Sharples of Florida concerning the matter of his application for a new
Amateur Radio license. In May, in a Hearing Designation Order, the FCC
called Sharples a convicted felon and registered sexual predator, and said
Sharples's
Run all my repeaters with a tone of 600 hz. This is what GE recommended when
I was in the 2-way business. So far all three repeaters, two VHF and one
UHF have had no problem with any radio being able to decode the tone.
David
-Original Message-
From:
Isn't 1K a little hot for PL tone?
David
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of tgundo2003
Sent: Friday, July 18, 2008 7:56 AM
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] PL Problem
I need
I have a Cushman CE-15 spectrum analyzer that was about 30 to 40 dB low in
measuring signals. Traced the problem to the 2.1 Ghz bandpass filter. Looks
like someone broke off the loop going to one of the connectors.
Anyone on this group have one they are parting out and can PART with the 2.1
TERMINAL. Think fancy
media converter.
David Murman wrote:
I have found that the FIBER OPTIC modems that Verizon is installing has
many spurious signals in the two meter band. Trying to get Verizon to
replace my FIBER OPTIC modem with on that does not cause interference
I also had intermittent interference coming from two amateur repeaters. I
maintain an ARMY MARS repeater and when repeater a and repeater B were on it
produced a signal within 5 khz of the input to the ARMY MARS repeater. Both
amateur repeaters were located on top of the same building. The
interference on 146.160
On Nov 11, 2007, at 8:34 AM, David Murman wrote:
I also had intermittent interference coming from two amateur
repeaters. I maintain an ARMY MARS repeater and when repeater a and
repeater B were on it produced a signal within 5 khz of the input to
the ARMY MARS
] Possible interference on 146.160
On Nov 11, 2007, at 2:48 PM, David Murman wrote:
The fix was repeater A to replace a notch filter they had on the
repeater to notch out repeater B.
That's interesting. On their receiver? Miles away from your machine?
Pretty good mix to be strong
I have found that the FIBER OPTIC modems that Verizon is installing has many
spurious signals in the two meter band. Trying to get Verizon to replace my
FIBER OPTIC modem with on that does not cause interference to the two meter
band.
Just my 2c
David
wa4ecm
- Original Message -
You bet. Normal deviation is + - 5 KHZ. The old wideband FM deviation was + -
15 KHZ.
David
- Original Message -
From: Nevada Amateur Radio Repeaters, Inc.
To: Repeater-Builder@yahoogroups.com
Sent: Saturday, September 15, 2007 11:08 AM
Subject: [Repeater-Builder]
I have a Cushman CE-15 Spectrum Analyzer that was working and recently
I noticed signals very weak. When measured they are 30dB down. I have
checked the Diodes in the RF attenuator and they check good. I noticed
the schematic I got off the repeater builders WEB page that the ref
level switch
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