That pretty much confirms my thinking. If the supply is blowing fuses,
something is actually wrong. The crowbar shouldn't cause it to happen.
Chuck
WB2EDV
- Original Message -
From: william...@aol.com
To: Repeater-Builder@yahoogroups.com
Sent: Thursday, December 25, 2008
And don't forget it can be battery operated devices, like laptops, iPods, CD
players, etc.
Something is getting turned on and you need to play detective. I once had to
investigate a line noise issue that turned out to be the owner's new DVD
player.
Chuck
WB2EDV
An old trick - if the
I went a step farther with my handheld Bearcat scanner and placed it in a steel
pie cake pan with a cover I made from aluminum flashing. A few clothes pins
around the cover sealed the signal up so that the only external signal came
from the BNC feed through connector mounted on the side of the
I got a first hand lesson in the technique Burt describes from K3RFI, the ARRL
power line noise guru. He came to my QTH in response to a complaint I filed
with the FCC through ARRL and showed me the 'fingerprint' method he uses to
locate a noise source.
When a breakdown occurs causing an RF
I have had a 35-amp Astron on my workbench for years, and I can short
the red and black together quickly (which happens when you aren't fussy
about how many projects you have going at one time) and the supply will
shut down and NOT blow the fuse - This is an adjustable supply with both
voltage
At 07:38 AM 12/26/08 -0500, you wrote:
That pretty much confirms my thinking. If the supply is blowing fuses,
something is actually wrong. The crowbar shouldn't cause it to happen.
Well... Yes and no...
If the SCR fires, you dump all the available current through the supply
to ground, and
Noise on the six meter repeater.
On my machine 53.67 in New jersey I was getting noise that was holding the
machine Keyed up. then drop. and key up again. I thought it was desense Even
with a big expensive
Commercial Duplexer. with the transmitter off, the normal unsquelched Hiss
sounded
A similar war story from back in the early 90's...Commercial customer with a
35MHz base complaining of dramatically reduced range. Base and mobiles checked
out fine, antenna system fine, just trouble receiving the mobiles. Dropping
the PL with the antenna connected I noticed what seemed to be
I should point out that Astron has made several significant changes
to the RS-series regulator boards over the past 20 years, and that
may explain why some Astron power supplies always blow the input fuse
when shorted, while others never do. Every one of my own Astron
linear power supplies is
At 12/25/2008 12:06, you wrote:
n...@... wrote:
...and everyone thought I was nuts for using a Regency
scanner as a deviation monitor signal generator.
Bob NO6B
Well, it's not just because of that...
Sorry Bob... I couldn't help myself...
:-)
I myself also tried using the Bearcat,
wb6fly wb6...@... wrote:
I should point out that Astron has made several significant
changes to the RS-series regulator boards over the past 20 years,
Amen... notice how I've been steering clear of this thread? There
are/were so many board revisions and design shortfalls that I just
didn't
Our 6-meter machine in Springfield, MO had an issue with a noise on the RX
side. RX on 51.570 with TX RX duplexers and a dual cavity TX RX 11-18-06
bandpass filter on the front end, and we were getting a gurgling type
noise. If we didn't run a PL, the squelch would hang open until the
repeater
Looking at the following Ebay auction:
Kendercom Mark 4 CR VHF Repeater Voice Controller DVR
Ebay Item number: 330296552120
I'm lead to believe this Kendercom was originally equipped with
an ACC Controller (from the factory) or was the controller
added by the owner after the purchase of
I think both Mark (the original poster) and I were WAITING for you to jump in
and offer your comments, but you were out-of-service for the last few weeks and
your absense was felt.
So today's questions are (in your experience):
1. Does the supply just fold-back the current if the output is
Hopefully the answers you post will be more detailed than:
It depends, Maybe, or Yes and No.
Hi Bob (and the group)
Then your probably not going to like my answers very much...
So today's questions are (in your experience):
1. Does the supply just fold-back the current if the output
is
I have a 6 meter repeater operating Portland Oregon on 53.29 MHz with an input
of 51.59 Mhz. A few years ago we started receiving noise on our input, and
traced it down to the new Larkin solid-state transmitter that the local TV
channel 2 had recently installed. With their old RCA tube
*chuckles* what power John, I bet you win!
I've had it. I am DEMANDING that the local TV channel 2 STOP transmitting or
change to a different frequency to end the interference they are causing my
6
meter repeater. I am giving them 6 weeks notice to either stop transmitting
or change frequency,
JOHN MACKEY wrote:
I've had it. I am DEMANDING that the local TV channel 2 STOP transmitting or
change to a different frequency to end the interference they are causing my 6
meter repeater. I am giving them 6 weeks notice to either stop transmitting
or change frequency, and I have picked a
John,
I wish that I had your way with words, your infinite wisdom of local TV
interference problems on 6 meters, and last, but not least, your power with the
FCC and the federal government . . . .
Someone ought to talk to the newly elected president to see if there is a spot
for you in his
Yes, Kevin, you are correct. Analong LPTV and Translator (TV) stations do not
have to cease analog transmissions in Feb 2009. The station causing me grief
is a full power TV station on channel 2.
For the most part, Analog TV in big and medium cities will go away. Rural
areas served by
Hi Skipp,
What's a Helper RF millivoltmeter manual worth to you?
I have one that I will scan for you when I get back home in a couple of
weeks. No charge.
73
Gary K4FMX
-Original Message-
From: Repeater-Builder@yahoogroups.com [mailto:Repeater-
buil...@yahoogroups.com] On Behalf
thank you, thank you very much
-- Original Message --
Received: Fri, 26 Dec 2008 01:26:35 PM PST
From: Don Kupferschmidt d...@httpd.org
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] More 6 meter repeater interference!!
John,
I wish that I had your way with
Anybody have a clue as to how to hack the CE7 software for the
FTL-1011H 99 channel radio? I have a low split low band model that I
would like to use on 10 meters. The low frequency limit is set to
29.7mhz right now. I have been through the software with a hex editor,
but can't seem to locate that
Anybody have a clue as to how to hack the CE7 software for the
FTL-1011H 99 channel radio? I have a low split low band model that I
would like to use on 10 meters. The low frequency limit is set to
29.7mhz right now. I have been through the software with a hex editor,
but can't seem to locate
Channel 2 may not go off the air on February 18. The entire NPRM is here:
http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-08-281A1.pdf
Harry, W0OZL
1. The Short-term Analog Flash and Emergency Readiness Act (Analog
Nightlight Act or
Act)1 requires the Commission to develop and
--- In Repeater-Builder@yahoogroups.com, Radioman radio...@...
wrote:
Channel 2 may not go off the air on February 18. The entire NPRM is
here:
http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-08-281A1.pdf
Harry, W0OZL
1. The Short-term Analog Flash and Emergency Readiness Act
JOHN MACKEY wrote:
A good web site to get information on the digital switch over is
www.tvfool.com
Yup...
I have been using the data available there for several weeks now. I had
trouble getting some of the files at first, but finally got a good
torrent client running and all is well. Great
Skipp,
I have a Kendecom repeater. I believe the guy in the auction is trying
to say that the Kendecom controller was made to compete with the ACC
controller of that time frame. The Kendecom does have a voice
record/playback to a very limited extent. I believe it is 50, 30 second
addresses for
At 12/26/2008 10:52, you wrote:
Looking at the following Ebay auction:
Kendercom Mark 4 CR VHF Repeater Voice Controller DVR
Ebay Item number: 330296552120
I'm lead to believe this Kendercom was originally equipped with
an ACC Controller (from the factory) or was the controller
added by the
At 12/26/2008 17:03, you wrote:
Channel 2 may not go off the air on February 18. The entire NPRM is here:
http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-08-281A1.pdf
Harry, W0OZL
1. The Short-term Analog Flash and Emergency Readiness Act (Analog
Nightlight Act or
Act)1 requires the
I read the ebay description, and the mention of an ACC controller I
believe is just for comparison; everything I can see in the pix looks just
as ours did when received from Kendecom new. The 21 w out is typical for
the Nominal 30W exciter. Ours is still in service for W0CWP in Iowa.
Hello to all of you,
As being the owner of a Yaesu FTR2410 repeater, which is serving in
the north of France (F1ZAM at JN19IH) on 145.6125Mhz, I have to review
some of the installation and do some maintenance.
I cannot find my service and operating manuals anymore (I suppose I
left them at a
Good grief! Anyone who hasn't seen about a million DTV transition promos by now
doesn't watch enough TV to need the converter!
- Original Message -
From: Radioman
To: Repeater-Builder@yahoogroups.com
Sent: Friday, December 26, 2008 6:03 PM
Subject: Re: [Repeater-Builder]
I had a problem like this but it was all the time and it was caused by a faulty
matv amplifier in a apartment building a block away from the repeater. It cause
the rooftop TV antenna connected to the matv amp to radiate. A now retired and
possibly deceased FCC examiner out of the Dallas field
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