Yes, that's one of them. Darn thing only ran for 30 years before it broke. :)
'JK
--- In Repeater-Builder@yahoogroups.com, n...@... wrote:
At 1/2/2010 13:20, you wrote:
G.E. pre-Prog.
'JK
Is that 224.660 W6GAA on PV? Can't key it this evening.
Bob NO6B
To follow up on Roger's 13-509 story, we built one also in the mid 70's and has
been in continuous service in the Dallas area since, along with a pair of home
built 224-JJ antennas (DB called them a 244 back then) - no duplexer (easy to
do when you are on a 1500' tower). The radios may be hard
If you are interested in building it youself, a modified Clegg FM-76 or Midland
13-509 transceiver (xtal controlled rigs) can be modified very easily into a
220 repeater. I have done a number of repeaters like this, the first one in the
late 1970's, into a very nice 10 watt repeater with a
Two Alinco 220 mobiles work very well also.
- Original Message -
From: w5rdw
To: Repeater-Builder@yahoogroups.com
Sent: Saturday, January 02, 2010 7:18 AM
Subject: [Repeater-Builder] Re: 220 repeater
If you are interested in building it youself, a modified Clegg FM
G.E. pre-Prog.
'JK
--- In Repeater-Builder@yahoogroups.com, Dan Blasberg ka8...@... wrote:
All right folks,
For those that run a 220 repeater, what are you running as far as the
machine itself?
A local group is looking to put a 220 MHz repeater on the air and
would like some ideas.
Re: 220 repeater
So it look like the general recommendation is a converted
GE or Micor.
A lot of people mentioned using Hamtronics Modules if you
plan to build your own from scratch. You might go back over the
Group Posts starting around May through June of O9, you'll
see posts I made
DCFluX dcf...@... wrote:
Spectra Engineering Party Ltd. MX-800
There were a number of 224 MHz PA's by the above mfgr
offered and sold on Ebay a few years back. They were
reported as failed or potentially as defective, but I
couldn't get any of the ones I bought to die... wish
the guy had
: Saturday, January 02, 2010 7:18 AM
Subject: [Repeater-Builder] Re: 220 repeater
If you are interested in building it youself, a modified Clegg FM-76
or Midland 13-509 transceiver (xtal controlled rigs) can be modified
very easily into a 220 repeater. I have done a number of repeaters
like
At 1/2/2010 17:26, you wrote:
Has Alinco come out with a fix for the PL decoder yet?
Mike
IIRC the CTCSS decode function in the DR-x35 series radios is performed in
the radio's CPU, hence it's not likely it will ever be fixed unless a
revision is done to the CPU for new radios.
Bob NO6B
At 1/2/2010 13:20, you wrote:
G.E. pre-Prog.
'JK
Is that 224.660 W6GAA on PV? Can't key it this evening.
Bob NO6B
I second Skipp's motion, having been burned by Henry twice before, UHF amps
delivered without a low pass filter, second harmonic about -40 dBc in the
cell band...
Also, TPL manufactures 220 amps (I had one, Adam N2ACF has it now),
primarily for overseas markets. They use the same devices as in
I wouldn't waste any time or money on Henry or TE Systems repeater
amplifiers. On my 220 repeater, I had the Henry and it was the biggest
POS I had ever seen. The workmanship with regard to the soldering of
components was terrible. I've used one on my 440 machine and it was worse!
I have been
Make sure you ask (at the time of the order) if the Amateur
Band Amplifier you're buying includes the same type low pass
filter supplied with the commercial RF deck. There's a historical
reason why I make this comment...
s.
repeat...@... repeat...@... wrote:
Henry Radio also makes 220
@yahoogroups.com
Subject: [Repeater-Builder] Re: 220 repeater antennas
The person Paul refers to built 2 of these antennas, from scratch,
(originally called a DB-244 by Decibel Products) for our group in the early
80's. The antennas are still in operation 1500' up the broadcast tower
today, one
[EMAIL PROTECTED] wrote:
Actually, I was just offered the ACSSB equipment, including the combiner, if
I take it all away. I can use the wattmeter units on the Telewave combiner,
but don't know what I'd do with the rest of the stuff.
Were the combiners isolator to mixer types? If so, you
skipp025 wrote:
So we agree... the Sinclair folded dipole antennas would be another
great choice/option. Got any for sale...? :-)
We're not selling ours! (GRIN)
I read Skipp's stories of getting screwed a bit by Sinclair a while back
and sure hoped it was just a temporary thing with the
After spending so much time chasing the DB-224JJ information down
I'd probably buy and use something else, which I have done. I'll
keep the JJ Model in my mind as I pull down a few more of the
Nationwide 220 ACSB Trunking Systems in the spring time.
Knowing full well that Skipp may fight
Has anyone tried using the Austin antennas that were built for the 200Mhz ACSSB
system on the ham band? There are several of them lying around on the ground
here in Connecticut. Actually, I was just offered the ACSSB equipment,
including the combiner, if I take it all away. I can use the
The person Paul refers to built 2 of these antennas, from scratch,
(originally called a DB-244 by Decibel Products) for our group in the
early 80's. The antennas are still in operation 1500' up the
broadcast tower today, one used for RX and one used for TX - no
duplexer. Performance remains
Just off the phone with my inside contact at Andrew (Decibel)...
as we all know now.. the DB-224JJ Antenna is long out of production.
Their equiv replacement antenna is the DB-573EJJ fiberglass
3DB Unit with a list price of $2800.00 each.
They don't seem to understand why (at the above
. Thanks de Tom
Manning, AF4UG
- Original Message -
From: skipp025
To: Repeater-Builder@yahoogroups.com
Sent: Tuesday, December 04, 2007 11:22 AM
Subject: [Repeater-Builder] Re: 220 repeater antennas
Just off the phone with my inside contact at Andrew (Decibel
Hi Tom,
You'd be almost home if you had that information. I know of
no person who has properly cloned one of the famous DB-Products
Vapour Block Cable Phasing harness assemblies for their multi
dipole assemblies. Maybe someone on the group and I sure would
like to hear (read actually) how
:47 PM
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] Re: 220 repeater antennas
Hi Tom,
You'd be almost home if you had that information. I know of
no person who has properly cloned one of the famous DB-Products
Vapour Block Cable Phasing harness assemblies for their multi
--- In Repeater-Builder@yahoogroups.com, Robin Midgett [EMAIL PROTECTED]
wrote:
Obtain an old 224 cut it down by ~28%; that should drive it close
to the 222 band.
Has this been tried and does it work?? I'd be very suspicious about
the harness coax lengths being correct without major
At 2/28/2007 08:19 AM, you wrote:
Bob
You seem to want to lump what is characteristically a complex impedance
(R+or-jX) into a single number in order to simplify your argument that a
non conducting RF output transistor is an open circuit because the
transistor is not having any RF drive
At 2/28/2007 08:19 AM, you wrote:
Bob
You seem to want to lump what is characteristically a complex impedance
(R+or-jX) into a single number in order to simplify your argument that a
non conducting RF output transistor is an open circuit because the
transistor is not having any RF drive
Since when is the Xc of the Collector-Base capacitance of an output transistor
or the Drain-Gate capacitance of a FET considered an open circuit at RF?
Allan Crites WA9ZZU
Jeff DePolo [EMAIL PROTECTED] wrote:
Bypassing the relay shouldn't have an effect on the TX output
Z when
At 2/27/2007 13:30, you wrote:
Since when is the Xc of the Collector-Base capacitance of an output
transistor or the Drain-Gate capacitance of a FET considered an open
circuit at RF?
Allan Crites WA9ZZU
OK, maybe not a million ohms but high enough compared to the nominal 1 ohm
or so output Z
Bob Dengler wrote:
At 2/23/2007 12:50 PM, you wrote:
With respect to using the GE MII mobile frame for repeater applications:
1. Can you say categorically that there is sufficient TX/RX shielding
to prevent any desense at any power level the conversion is capable of
operating?
In my
At 2/26/2007 08:27 AM, you wrote:
Bob Dengler wrote:
At 2/23/2007 12:50 PM, you wrote:
With respect to using the GE MII mobile frame for repeater applications:
1. Can you say categorically that there is sufficient TX/RX shielding
to prevent any desense at any power level the conversion
Bypassing the relay shouldn't have an effect on the TX output
Z when not
TXing, as the final RF output transistor is going to look
like an open too.
Bob NO6B
But the open transistors would be at a different electrical distance away
from the duplexer than the open T/R relay was.
Sent: Saturday, February 24, 2007 2:53 AM
Subject: Re: [Repeater-Builder] Re: 220 repeater receiver recommendations?
(Z-Matcher)
At 10:19 PM 02/23/07, you wrote:
In a message dated 2/23/2007 6:36:24 P.M. Pacific Standard Time, [EMAIL
PROTECTED] writes:
In regards to the question
Yes, and as the article referenced below points out, switching the UHF
Mastr II to High Side Injection eliminates the problem.
We originally thought that HSI eliminated the problem totally on 220,
but it didn't, there is an overlapping range that one side or the other
doesn't fix; that is what
[EMAIL PROTECTED] wrote:
In a message dated 2/23/2007 6:36:24 P.M. Pacific Standard Time,
[EMAIL PROTECTED] writes:
In my most critical applications, I use permanent in-line Bird
samplers. Then, cabling lengths don't change because I don't
remove the samplers; and you know exactly
--- In Repeater-Builder@yahoogroups.com, Chuck Kelsey [EMAIL PROTECTED]
wrote:
Keep in mind that a Z-Matcher in a GE radio has it's own test point
to tune it, as do some other Z-Matchers.
True, there is a test point. And you can tune the two capacitors and
stretch/squeeze the coil for a
I never suggested that the cable between the TX and the
duplexer had to be an exact length and if the TX output is a
true 50 ohms then any cable length produces no consequence at
the cavity input. But if the TX impedance is not 50 ohms, I
think any cable length other than half wave will
Ken Harrison wrote:
Thanks for the recommendation, Don. Though I'm sure a MastrII would
be a great conversion for 220, we (in the group sense) want to try to
save some of our money to get a remote base setup going on our
repeater, too. Our small savings would be wiped out to replace the
Ken Harrison [EMAIL PROTECTED] wrote:
Yes, I figured I might get a few different opinions. I
certainly don't want to start a war, though! :-)
Which is one of the reasons I tried to toss a one of everything
type reply. The more information you have... the more choices you
get to make.
: [Repeater-Builder] Re: 220 repeater receiver recommendations?
Thanks for the recommendation, Don. Though I'm sure a MastrII would
be a great conversion for 220, we (in the group sense) want to try to
save some of our money to get a remote base setup going on our
repeater, too. Our small savings
With respect to using the GE MII mobile frame for repeater
applications:
1. Can you say categorically that there is sufficient TX/RX
shielding to prevent any desense at any power level the
conversion is capable of operating?
Depends on the pa power level. You can easily test for
[EMAIL PROTECTED] wrote:
For Scott:
With respect to using the GE MII mobile frame for repeater applications:
1. Can you say categorically that there is sufficient TX/RX shielding to
prevent any desense at any power level the conversion is capable of
operating?
At
/custombuilt/
Scott Zimmerman
Amateur Radio Call N3XCC
474 Barnett Road
Boswell, PA 15531
- Original Message -
From: Ken Harrison
To: Repeater-Builder@yahoogroups.com
Sent: Thursday, February 22, 2007 8:39 PM
Subject: [Repeater-Builder] Re: 220
In a message dated 2/23/2007 12:00:13 P.M. Pacific Standard Time,
[EMAIL PROTECTED] writes:
It probably isn't exactly 50 ohms, but should be close. And the cables
from the duplexer to the radio do NOT *REPEAT* NOT need to be an exact
length. This again indicates an impedance mismatch in
Message -
From: [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Friday, February 23, 2007 4:06 PM
Subject: Re: [Repeater-Builder] Re: 220 repeater receiver recommendations?
In a message dated 2/23/2007 12:00:13 P.M. Pacific Standard Time, [EMAIL
PROTECTED] writes
At 2/23/2007 12:50 PM, you wrote:
With respect to using the GE MII mobile frame for repeater applications:
1. Can you say categorically that there is sufficient TX/RX shielding
to prevent any desense at any power level the conversion is capable of
operating?
In my experience, yes. In
-
From: [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Friday, February 23, 2007 2:24 PM
Subject: Re: [Repeater-Builder] Re: 220 repeater receiver
recommendations?
For Scott:
With respect to using the GE MII mobile frame for repeater
applications
@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED]
Sent: Friday, February 23, 2007 4:06 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Re: 220 repeater receiver recommendations?
In a message dated 2/23/2007 12:00:13 P.M. Pacific Standard Time,
[EMAIL
I'm not Scott, but maybe I'll do... grin
See Below
[EMAIL PROTECTED] wrote:
For Scott:
With respect to using the GE MII mobile frame for repeater applications:
1. Can you say categorically that there is sufficient TX/RX shielding
to prevent any desense at any power level the
In a message dated 2/23/2007 4:32:54 P.M. Pacific Standard Time,
[EMAIL PROTECTED] writes:
as all better repeaters builders know, the equipment might have to be tuned
as a system using custom cabling lengths or Z Matchers for optimal
performance.
Can you comment on a difference of
[EMAIL PROTECTED] wrote:
I'm particularly interested in any shortcomings of the G.E. that are not easily
overcome.
Repeatability of a band split conversion, out of band (high-band to 222)
conversion, (where sensitivity is concerned) and tuning stability.
It seems that *some* MASTR II
_
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Kevin Custer
Sent: Friday, February 23, 2007 8:34 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Re: 220 repeater receiver recommendations?
[EMAIL PROTECTED] wrote
Weren't there some 440 frequencies that had issues, too?
Joe M.
Kevin Custer wrote:
I'm not Scott, but maybe I'll do... grin
See Below
Yes, there is sufficient isolation for single box conversion with
absolutely no internal desense from the MASTR II Mobile, with the
exception of
Barnett Road
Boswell, PA 15531
- Original Message -
From: skipp025 [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Friday, February 23, 2007 5:06 PM
Subject: [Repeater-Builder] Re: 220 repeater receiver recommendations?
(MVP?)
What about the GE MVP Scott..? Would
In a message dated 2/23/2007 6:15:19 P.M. Pacific Standard Time,
[EMAIL PROTECTED] writes:
Do you use a cable with the bird that makes it a ½ wavelength total line
length when you insert it in line? That should not change things when the
wattmeter/cable are removed.
I'm not sure I
In a message dated 2/23/2007 6:36:24 P.M. Pacific Standard Time,
[EMAIL PROTECTED] writes:
In my most critical applications, I use permanent in-line Bird samplers.
Then, cabling lengths don't change because I don't remove the samplers; and
you
know exactly what you have and where
Hi Ken,
You're goint to get a lot of opinions regarding the quality of
various receivers and a mention by a lot of sold customers to
seriously consider using a converted commercial radio... the popular
conversion being something like a GE or Motorola Radio.
I'm not sure if I get the reason
Thanks for the recommendation, Don. Though I'm sure a MastrII would
be a great conversion for 220, we (in the group sense) want to try to
save some of our money to get a remote base setup going on our
repeater, too. Our small savings would be wiped out to replace the
entire repeater, in spite
474 Barnett Road
Boswell, PA 15531
- Original Message -
From: mailto:[EMAIL PROTECTED]Ken Harrison
To: mailto:Repeater-Builder@yahoogroups.comRepeater-Builder@yahoogroups.com
Sent: Thursday, February 22, 2007 8:39 PM
Subject: [Repeater-Builder] Re: 220 repeater receiver recommendations
My answer would be none of the above. Get a VHF micor and have Kevin do the
220 mod to it. I cannot imagine any of the receivers mentioned coming close
to that in performance.
Good luck,
td
wb6mie
Our group is in need of replacing the receiver on our 220 box and I
wanted to solicit some
Jeff,
Email me direct... I don't have your full email address and
I'd like to talk about the 220 amp with you.
thanks
skipp
skipp025 at yahoo.com
[EMAIL PROTECTED]
Jeff DePolo WN3A [EMAIL PROTECTED] wrote:
I have a brand new TPL 100 watt continuous duty RXR series 220 amp
available.
The 13-509's are more common than you might think. I lot of them are
popping up in estate sales and on E-Bay for well under $100. I've
found half a dozen of them just this past year. If you just monitor
one local 220 machine, buying one of these and ordering a crystal set
for it is an
--- In Repeater-Builder@yahoogroups.com, Mike Morris WA6ILQ
[EMAIL PROTECTED] wrote:
They were built as cheap as CBs of the era, and
on the same production lines. But we hams built
repeaters out of them because that's all there was.
This may be all true, but the proven track record of
At 08:33 PM 1/20/05, you wrote:
--- In Repeater-Builder@yahoogroups.com, Mike Morris
WA6ILQ [EMAIL PROTECTED] wrote:
They were built as cheap as CBs of the era, and
on the same production lines. But we hams built
repeaters out of them because that's all there was.
This may be all true,
--- In Repeater-Builder@yahoogroups.com, Mike Morris WA6ILQ
[EMAIL PROTECTED] wrote:
A properly converted commercial radio might be better in
the end, but is a lot more work.
Also true - but try and find a 13-509 these days. Back in the
'80s there were many sources. These days the '509s
]
Sent: Wednesday, January 19, 2005 8:14 AM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Re: 220 Repeater
We use to tie them on to the wiper side for the dev. pot throught a 15 mfd
bipolar cap.
From what I remimber it worked ok.
Good luck,
Russ, W3CH
Yahoo! Groups
Subject: RE: [Repeater-Builder] Re: 220 Repeater
While we are on the subject of midland/clegg 13-509 radios/repeaters has
anyone had luck PL'ing the exciter. It wasn't setup originally for PL
encoders. Initial attempt exciter+PL audio wasn't very promising with a
TS-32. Looks like you'd have
DCFluX [EMAIL PROTECTED] wrote:
I am intrested in the conversion procedure for
the squelch, I am not happy with the audio
quality of the midland as well. I was working on
a new squelch board my self but too busy to sit
down and build it then write the software.
If you use
:52 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Re: 220 Repeater
At 1/17/2005 01:07 PM, you wrote:
I was getting ready to split a Clegg FM-76.
Basically identical to a Midland 13-509. Our club has 2 on the air now
have performed well for over 25 years
]
To: Repeater-Builder@yahoogroups.com
Sent: Tuesday, January 18, 2005 7:15 PM
Subject: Re: [Repeater-Builder] Re: 220 Repeater
Another option on the 13-509 (220mhz) or the 13-500 (2m) is
to use the Link-Comm board that puts a Micor squelch on it.
Look at my Mitrek Interfacing article at www.repeater
-
From: Bob Dengler [mailto:[EMAIL PROTECTED]
Sent: Tuesday, January 18, 2005 2:52 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Re: 220 Repeater
At 1/17/2005 01:07 PM, you wrote:
I was getting ready to split a Clegg FM-76
--- In Repeater-Builder@yahoogroups.com, DCFluX [EMAIL PROTECTED] wrote:
I am intrested in the conversion procedure for the squelch, I am not
happy with the audio quality of the midland as well. I was working on
a new squelch board my self but too busy to sit down and build it then
write
A mod like this should be posted on to the repeater-builder web site.
-- Original Message --
Received: Tue, 18 Jan 2005 10:23:44 PM CST
From: no6b1 [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] Re: 220 Repeater
--- In Repeater-Builder
While we are on the subject of midland/clegg 13-509 radios/repeaters has
anyone had luck PL'ing the exciter. It wasn't setup originally for PL
encoders. Initial attempt exciter+PL audio wasn't very promising with a
TS-32. Looks like you'd have to FM the varicap directly. Was going to use
some I
Subject: RE: [Repeater-Builder] Re: 220 Repeater
While we are on the subject of midland/clegg 13-509 radios/repeaters has
anyone had luck PL'ing the exciter. It wasn't setup originally for PL
encoders. Initial attempt exciter+PL audio wasn't very promising with a
TS-32. Looks like you'd have to FM
I do not remember the value of the resistor... But I put my pl on the
wiper of the deviation Pot
worked for years.. I ran a 13-509 repeater in the 80's then got a
Spectrum around 1989. and its still running... If I had to Build a
machine today I would be running a Maggorie.
as for the
Heard comments about the Maggiorie (probably mispelled) and such. Just
yesterday I was at the KRXT tower in Rockdale Texas and lo and behold, a
VHF Engineering 2M repeater - still ticking on 147.28. AF5C/R for the
last 20 some odd years. Also, at my farm up in Gatesville, N5DDR/R on
146.96
At 1/17/2005 01:07 PM, you wrote:
I was getting ready to split a Clegg FM-76.
Basically identical to a Midland 13-509. Our club has 2 on the air now
have performed well for over 25 years. Recently we did have one problem
with one of the RXs: a cold solder joint on the 2nd LO (10.245 MHz)
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Re: 220 Repeater
At 1/17/2005 01:07 PM, you wrote:
I was getting ready to split a Clegg FM-76.
Basically identical to a Midland 13-509. Our club has 2 on the air now
have performed well for over 25 years. Recently we did have
, 2005 2:52 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Re: 220 Repeater
At 1/17/2005 01:07 PM, you wrote:
I was getting ready to split a Clegg FM-76.
Basically identical to a Midland 13-509. Our club has 2 on the air now
have performed well for over 25 years
Message -
From: Paul Finch [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Tuesday, January 18, 2005 4:03 PM
Subject: RE: [Repeater-Builder] Re: 220 Repeater
I was wondering if anyone was still using one of those beasts, I am about
to
start my 220 project and that radio is probably
Mike,
I can give you a very positive reference for the repeater-builder
220 Micor conversions that Scott Z does. We purchased one for our
220 machine here in Philadelphia two years ago. We only had to go
back to the site once within a few days to touch up centering the
receive crystal
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