Sorry All I got the part # wrong .. its a TEK-37 and TEK-37A
Thanks
Rick
On 26 Apr 2004 at 20:52, Rick - VA3RZS/Charlotte - VA3CMR wrote:
Hello all ...
I am looking for a Motorola test set adapter cable
model tkn6025a
if any one can help me out that would be great need this cable
I have a repeater with an antenna up about 60 feet in the air,
Frequency of 146.925/146.325 minus offset. Receiever sensitity
is .25 micorovolt at 12DB, seems to be purring along just fine. IFR
show the receive to be on frequency. Here's the problem, there is a
repeater about 50 air miles
At 4/26/2004 05:59 PM, you wrote:
I have a repeater with an antenna up about 60 feet in the air,
Frequency of 146.925/146.325 minus offset. Receiever sensitity
is .25 micorovolt at 12DB, seems to be purring along just fine. IFR
show the receive to be on frequency. Here's the problem, there is a
Hello Everyone:
I have two Micor Receiver boards, and would like to get a schematic for
each one. Also, what was their application? There is nothing in any of
my micor manuals.
Board #1: TLD 5782AV Appears to be 142-150 range. Has normal F1-F4,
but looks like it has 4 Rx and 4 Tx elements
I received the following statement from Aeroflex/IFR this morning,
regarding their current fees:
The current fee for a non-traceable calibration is $250.00 and a NIST
calibration is $500.00. The flat-rate repair includes one major repair
and a non-traceable calibration for $1,275.00. The
Eric,
Are the repair rates model specific?
Thanks
John
At 01:04 AM 4/27/04, you wrote:
I received the following statement from Aeroflex/IFR this morning,
regarding their current fees:
The current fee for a non-traceable calibration is $250.00 and a NIST
calibration is $500.00. The flat-rate
Steve's suggestion s are good. We had similar problems in California with
15 Khz splits
particularly when the user of the adjacent channel was a bit off frequency.
It is most likely
the user getting into your machine and not the repeater unless there is some
kind of mixing
going on. PL (CTCSS)
Same deal with large LMR factory depot - flat rate for one problem - more
problems MORE $$$s.
Steve
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--- In Repeater-Builder@yahoogroups.com, Steve S. Bosshard \(NU5D\)
[EMAIL PROTECTED] wrote:
Same deal with large LMR factory depot - flat rate for one problem -
more
problems MORE $$$s.
Steve
I just repaired my COM120B - the 10MHz ref osc died. I called them
and almost fell out of the
w9mwq wrote:
I have a repeater with an antenna up about 60 feet in the air,
Frequency of 146.925/146.325 minus offset. Receiever sensitity
is .25 micorovolt at 12DB, seems to be purring along just fine. IFR
show the receive to be on frequency. Here's the problem, there is a
repeater
Yeah.. I'd have been upset too! Upset enough to have been blinded by the
fiery rage!
Always try to remember to order some knobs, spare pico fuses, or whatever
else might be cracked or broken if it will get you closer to the minimum
charge.
73,
Steve, AA5SG
- Original Message -
From:
Anyone have the pinout of the 25 pin connector on the bottom of a
convertacom (NTN5612A)?
Art - KC7GF
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Back in the olden days when Adam 12 and Emergency were on TV, the guys
would call Rampart and send a strip back to the ER using a Coronary
Observation Radio. The Apcor would use the truck as a vehicular
repeater back to the ER. The truck was equipped with a full duplex
radio using MED 1 thru MED
Anyone ever heard of a Motorola Apcor radio? A friend has described
it as a packset with 10 channels UHF. Can anyone tell me more about
it?
Art - KC7GF
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Additional to Steve's --
Squad 51 had the huge orange cargo-case...
80's era APCOR were more like a double-sized lunch-box - about 1/3
battery; believe the RF decks were built around the MX series..
On Tue, 27 Apr 2004 13:00:10 -0500 Steve Bosshard [EMAIL PROTECTED]
writes:
Back in the
Yes you are right, I found the user that was causing the interference, not
much I can do about it. I am waiting on a new receiver, so hopefully that
will help cure some of the problems. Thanks for the input.
Mathew
- Original Message -
From: Jim B. [EMAIL PROTECTED]
To:
The box on Emergency! was actually a GE telemetry radio I believe. The APCOR
consisted of 2 parts. The APCOR itself was MX based and ran relatively low
power, I think around 2 watts. The mobile unit was Micor based and they were
strange beasts. The Micor/APCOR system was an in-band UHF repeater
Is there any methods of tuning a set of duplexer without having a
Spectrum analyzer. I am in the learning stages again. I have an
IFR-500a, so I can generate a signal into them. I know this would
work somewhat for the receive, but what does one do for the
transmit.
Mathew
Yahoo!
Try using the math on the IF of your rx to see what is making them mix
on your freq, how long have the 2 machines been co-existing on-the-air?
If it were one or 2 users you would know it rather than the entire time
the machine is active, can you see how clean the signal is from that
machine, I
[EMAIL PROTECTED] wrote:
Additional to Steve's --
Squad 51 had the huge orange cargo-case...
Yeah-they were called 'Biocoms'. Basic RF components were those
Repco/Comco/whatever modular handhelds. Pretty junky by todays standards.
80's era APCOR were more like a double-sized lunch-box -
Well I narrowed down parts of the problem, the first being the wide as a 2x4
Regency receiver, which is going to be changed out, and the other is a local
ham using 100 watts to talk to this machine, when in it really only needs
about 7 watts to hit it full quieting with minimal antenna height. My
At 07:40 PM 4/27/2004 -, you wrote:
Is there any methods of tuning a set of duplexer without having a
Spectrum analyzer. I am in the learning stages again. I have an
IFR-500a, so I can generate a signal into them. I know this would
work somewhat for the receive, but what does one do for
Mathew Quaife wrote:
Well I narrowed down parts of the problem, the first being the wide as a 2x4
Regency receiver, which is going to be changed out,
yeah. guess ya gotta start somewhere...;c)
and the other is a local
ham using 100 watts to talk to this machine, when in it really only needs
Remind the fellow using 100 watts to talk to a repeater that he could be in
violation of Part 97 rules on using minimal power.
We had a similar situation and interference to our one 2 meter repeater on
the mountain and we had to remind the guy of the Laws of Radio Physics,
power, distance, and
I could not agree with you more, however, I would tend to think I would have
better luck talking to my 4 yr old and getting him to listen. Somehow, Part
97 never enters his mind. I'm changing the receiver to a GE Century
receiver, so that should help narrow things down somewhat I hope.
-
The duplexers are a set of TX/RX duplexers, six of them. When you say a 3db
pad, that is something that I am not sure of, is this basically the same
thing as a db pad used in CATV systems? All I know is that the duplexers
were set up as a Varinotch filter system.
Mathew
- Original Message
Rather than re-invent the wheel why not try carving the helical from a
dead old high band rx tray and add to the front of yours to make it a
bit narrower than it is barefoot, if you can find a mastr2 with 5
helicals you could ad a pre-amp and convert the near hits to misses.
Mathew Quaife wrote:
At 02:54 PM 4/27/2004 -0500, you wrote:
The duplexers are a set of TX/RX duplexers, six of them. When you say a 3db
pad, that is something that I am not sure of, is this basically the same
thing as a db pad used in CATV systems?
---Yes they are the same CONCEPT, but CATV ones would be 72
You should really be using a return loss bridge and a spectrum analyzer and
tracking generatorbut yes I know we can't all afford that equipment.
You can fudge by using a signal generator and a receiver, also never never
never tune the duplexers under transmitter power.
The first thing you
Ok, most of that I understand, and I know there is the main tuning rod, then
there is the reject high and reject low tuning pots, but there is a third
tuning rod on these duplexers, what would be thier function.
Mathew
- Original Message -
From: Gregg Lengling [EMAIL PROTECTED]
To:
Virden Clark Beckman wrote:
Rather than re-invent the wheel why not try carving the helical from a
dead old high band rx tray and add to the front of yours to make it a
bit narrower than it is barefoot, if you can find a mastr2 with 5
helicals you could ad a pre-amp and convert the near hits
No amount of filtering will resolve 2 signals occupying the same
overlapping spectrum.
Steve
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I do have a micor coming, just don't know much about it until it get's here.
At least I hope that it gets here, kinda shaky on the ebay deal, have not
heard from the seller as of yet.
Mathew
- Original Message -
From: Jim B. [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent:
Mathew Quaife wrote:
I do have a micor coming, just don't know much about it until it get's here.
At least I hope that it gets here, kinda shaky on the ebay deal, have not
heard from the seller as of yet.
Mathew
Good luck with it! repeater-builder.com has lots of good info for those.
--
If you really love your regency, change the if filter. Tighten up the front
end with some extra cavities and a notch. Getting rid of interference is
easy, a mix is another ball game. The older commercial radios had some very
neat front ends. Stay away from any type of synthesized radio on a
No Money for equipment, use a scanner set up on the transmit frequency and
align it that way. 20 db method or sinader. nice to have all the fancy stuff
but you can get pretty close. Ron WA6UNM
-Original Message-
From: Gregg Lengling [mailto:[EMAIL PROTECTED]
Sent: Tuesday, April 27, 2004
Unless the problem ISN'T two signals occupying the same spectrum, and
it's just a matter of one receiver hearing outside its 'channel'.
Joe M.
Steve Bosshard wrote:
No amount of filtering will resolve 2 signals occupying the same
overlapping spectrum.
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You are right Steve, however I know some receivers are better than others.
I just had some more interference, just as I have been passing back and
forth, this particular ham is 26 miles west of here, says he is running 10
watts into an antenna 20 feet up, and he sounds just as good on 146.325 as
I do have two more cavities that I could use, but really don't see the need,
at least I hope not.
Mathew
- Original Message -
From: Ronald Schiller [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Cc: Ronald Schiller [EMAIL PROTECTED]
Sent: Tuesday, April 27, 2004 3:26 PM
Subject:
Yes indeed they do, I have been sent to some of it already. He says he took
the crystals out of it, hope that is all that he took.
Mathew
- Original Message -
From: Jim B. [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Tuesday, April 27, 2004 3:54 PM
Subject: Re:
Would anyone be willing to look at this Spectrum Analyzer and give
me thier opinions on it. I realize it's not the IFR or Motorola
service monitor with analyzer, but for basic use and it's price,
what do you think. It's on ebay, and the transaction number is
3812108141. Any input would be
Unless the problem ISN'T two signals occupying the same spectrum, and
it's just a matter of one receiver hearing outside its 'channel'.
Joe M.
146R325 occupies from 146315 to 146.335
146.310 occupies from 146.300 to 146.320
They SHARE 146.315 to 146.320.
The front end will make NO
At 4/27/2004 02:00 PM, you wrote:
I do have two more cavities that I could use, but really don't see the need,
at least I hope not.
Mathew
Cavity filters will NOT help lessen adjacent-channel interference problems.
You said that you can hear this person just as good on 146.325 as you can
on
He did not tell me which radio he was using, just that it was a Kenwood, his
audio was quite wide as well compared to other users that was on the system
at the time. Getting him to beleive his transmitter is spurious would be
hard to do. If it continues after the changes and completion of the
It's a very nice toy, but not something really
usable for the truely serious two-way radio
person. Better to buy a used service monitor
with the spectrum analyzer and tracking generator
built in. Just be sure to buy from someone with
references (ie more than one posted on the web).
The extra
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