The other way you could help rule out anything on that tower would be to
get a list of the transmitters there and listen to their frequency and
compare when you're hearing the interference. Make take a day or two to
get through them all, but that should help.
i.e. Scanner or extra receiver
In case I confused anybody, this is what I am refering
to with APRS and a 100hz tone ---
VOICE ALERT: This simply means that you do not turn
the audio down on
144.39, but instead leave it at high volume and then
simply set CTCSS
tone 100 to mute the speaker. This way, you dont hear
any
Hello, all,
I am looking for a set of TCXO's for the Midland UHF BaseTech repeater
transmitter, 71-5051B, and the receiver 71-5052B. If no one has a spare set, I
would consider the complete exciter and receiver, but these will need to have
the TCXO's included. Contact me off list with info on
Hi Roger!
Thanks for the info.
Bit of bad news on this actually.
We sold our old PA to help fund the new one.
I received an Email from the guy we were going to buy from in the US
who now says he has found another buyer. :(
So our repeater is currently off air until we can find another.
Bob,
I got your copies.
They look great.
Thanks alot
73,
N3GH
George
--- In Repeater-Builder@yahoogroups.com, Bob M. [EMAIL PROTECTED] wrote:
I've got that exact manual and will scan the two pages
and e-mail them to you. What I don't find is a photo
showing the tuned components; they're
Are you saying that a duplexer built from heliax can cope with a
0.5MHz plit at any temperature?I somehow doubt it (no invar!)
Cheers Dave UZN
--- In Repeater-Builder@yahoogroups.com, Matt Beasant [EMAIL PROTECTED]
wrote:
Hi Steve,
The 'FH duplexer was
Neil,
As always, good post. Hey, stay dry out there if you can!
Paul
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED]
Sent: Thursday, December 14, 2006 10:34 AM
To: Repeater-Builder@yahoogroups.com
Subject:
Hi All, I rescently posted that I need a set of 6M cans for a repeater
project in the UK. Despite one offer that appears to have fizzled out.
Is anyone prepared to sell me some high quality cans and ship them to
the UK? All expences paid.
Thanks in advance..Cheers Dave UZN
Did Motorola ever make a Micor or earlier vintage base station with a
tube PA on 800MHz?
--
Kris Kirby
[EMAIL PROTECTED]
Kris,
I have no idea about a tube version... but I have a Micor 75W solid state
PA for 800 if you are interested lemme know..
73
Mike Perryman
www.k5jmp.us
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] Behalf Of Kris Kirby
Sent: Thursday, December
On Thu, 14 Dec 2006, Mike Perryman wrote:
I have no idea about a tube version... but I have a Micor 75W solid
state PA for 800 if you are interested lemme know..
Not really. What I'm thinking is that a tube-type PA would have less
noise generated as a result of amplification which would mean
Yes they did, I think they all had tube PA's at the start, well except
Quintron.
Paul
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Mike Perryman
Sent: Thursday, December 14, 2006 4:04 PM
To: Repeater-Builder@yahoogroups.com
Subject:
--- Kris Kirby [EMAIL PROTECTED] wrote:
On Thu, 14 Dec 2006, Mike Perryman wrote:
I have no idea about a tube version... but I have
a Micor 75W solid
state PA for 800 if you are interested lemme
know..
Not really. What I'm thinking is that a tube-type PA
would have less
noise
Hi all
Looking for a schematic for a PR-25 tripp lite power supply.
Can anyone help?
Contact me off list at
va2ir at securenet dot net
Thanks
73
Ian
At 12/14/2006 08:34 AM, you wrote:
In my opinion, is a slight flaw in the voice operation on
144.39 MHz below ... the FCC requires you to monitor the
frequency in a non-CTCSS mode prior to transmitting.
Not quite. The FCC requires you to make sure the frequency is not in use
before
Tripp lite does not allow there schematics out in the public, making
repair of their power supplys fairly difficult. When I called asking
for one they told me that they would be glad to sell me another PR-40
but couldn't offer a schematic for the one I had sitting in front of
my blowd up. Repair
In addition to Neil's comment - you would screw up the APRS operation
if you do not listen and prevent your own APRS broadcast from going out
during another APRS transmission. You could key up on top of the
ongoing transmission and both your own and the other packets would be
QRMed.
73 - Jim
In another life, 20 years ago or so, my employer was using
Tripp-Lite yellow domed strobe lights for their construction vehicles.
One day, I was visiting the central garage and noticed they had 5
Tripp-Lite strobes on a bench. I asked the foreman why, his reply
was because
Thanks for reply Skip, 25V did seem to work best.
I ran the chips programmed @21V, and they worked as well as those
programmed @ 25V, just slower programming got my attention as I did not
have specs for chip.
32k shouldn't take long to download
Maybe the software has a little logic to it, to
No problama' if you want the data sheet search google under the
full part number less the trailing g and you'll find the page with
a pdf copy of the original data sheet after you file past all the
over kill sharky chipdocs and datasheets web sites that try to
charge money for what is
Kris Kirby [EMAIL PROTECTED] wrote:
Did Motorola ever make a Micor or earlier vintage base station
with a tube PA on 800MHz?
Yes, the pa assembly was actually made for Motorhead by Eimac and
it uses a triode like the 3cx400u-a7 type tube (trying to remember
the actual tube number).
We had
If you worry about the type pa causing duplexer heating... then
you have the wrong type of duplexer. It's not really going to be
a problem... unless something in the equipment is marginal, which
is not normally the case. ... especially the type of duplexer as
a general rule.
s.
Kris Kirby
Yep... right on the money Joe...
And one other thing to mention. If you find one of the monster
pa units out there... don't even try to waste your time with it
unless you get the matching monster power supply (a real
cluster %$**) and the proper service manual (in most cases).
If you don't
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