[Repeater-Builder] Re: Department of Forestry Tower, Any Experiance???

[Chris]

> Alexander N Tubonjic wrote:
> 
> >  Hello All,
> > The local department of Forestry has an observation tower that is
> >over 200' off the ground. I would like to put my UHF Amateur repeater
> >on that tower. I stopped by yesterday and talked to the Fire Fighter
> >that was stationed there. He had told me that cellphone companies had
> >asked if they could put some equipment on the tower and the DOF flat
> >out said no; however, the guy I talked to said a friend of his was a
> >Ham and had expressed an interest in putting a Ham repeater on the
> >tower and it was okayed but the Ham moved before anything was put into
> >effect. The guy I talked with said to leave my contact information and
> >he would pass it on to his boss and have him contact me with more
> >information.
> >   I was wondering if anyone has done anything tower related with the
> >Department of Forestry? If so what was your experiance like? I
> >remember reading somewhere that hams and the DOF have an MOU together
> >for tower space, anyone know anything about that? Any past experiances
> >and tips would be greatly appreciated. Thanks and 73.



I think its by specific state or locale.  I contacted the DNR here in
Wisconsin to do the same thing and they have rules (laws) which state
nothing shall be affixed to any fire tower unless it is a government
or municipal agency...neither of which we are as a collective, but
individually yes.  Regardless of our jobs and affiliations with PD,
FD, EMS, the equipment itself had to be owned by the Gov't or a
municipality.  The Ranger was an extremely nice guy, and made being
told NO very pleasant indeed.  So we look elsewhere...
It would be nice.

Oh well...


Chris
Coordinator
Lakes Area GMRS Repeater Group
www.laggroup.org



Chris









 
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Re: [Repeater-Builder] Department of Forestry Tower, Any Experiance???

[Kevin Custer]

Sorry, I don't have any good outside photos...We used to host Field 
Day there some years ago...

Kevin


Rich Garcia wrote:

>Got any outdoor photos of the cabin and tower/surrounding area?
>Sounds to be a great place...be neat to build on to it and make it a small
>getaway/weekend contesting station. 
>
>Rich
>
>---
>In June 1990 I installed a 2 meter repeater on a Pennsylvania (DER) Fire 
>Tower.  It's co-located with a CAP 2 meter repeater.  It's been there 
>ever since, no problems with the Department of Forestry or DER.  It's 
>the second highest 2 meter repeater in PA.
>
>Later that same year, August I believe, I installed yet another repeater 
>on a different Fire Tower.  Later on, in 1997, the DER contacted me and 
>said this particular tower and ground cabin was being sold to relieve 
>the DER of liability.  A friend of mine and I purchased the "Hay's Mill 
>Fire Tower" and Ground Cabin later that same year:
>
>
>
>My experiences with the DOF and DER have been good, YMMV...
>
>Kevin Custer
>




 
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Re: [Repeater-Builder] Sinadder

[Eric Lemmon]

Ralph,

Contact Zetron for tech support, since they bought out the Helper
Instruments line.  Visit  for links to tech support.
Dunno about online manuals.

73, Eric Lemmon WB6FLY

Ralph Mowery wrote:

> Does anyone have a link to an online manual for the Helper Instruments
> Sinadder ?
>
> I know how to use one but would like to see what the book has to say
> about it, maybe even a schematic
> in case I need to repair it at a later date.
>
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[Repeater-Builder] Re: Department of Forestry Tower, Any Experiance???

[ac6vj]

Alexander, I just put up a 2 meter repeater with a link radio on a 
California Department of Forestry lookout tower. It took me more 
than two years to find the right person to get permission from, but 
once I was introduced to the division commander it was smooth 
sailing from then on.  Besides free rent, the site includes free 
electricity.  I did have to supply my own cabinet, which is an old 
traffic signal box.  The tower is no longer used for a lookout, so I 
was able to mount directly to the handrail around the top of the 
tower with a 20 foot piece of galvanized pipe to get above the 
lookout shack, and mounted the link Yagi directly to the handrail.

Gregory AC6VJ  


--- In Repeater-Builder@yahoogroups.com, "Alexander N Tubonjic" 
<[EMAIL PROTECTED]> wrote:
>   Hello All,
>  The local department of Forestry has an observation tower that is
> over 200' off the ground. I would like to put my UHF Amateur 
repeater
> on that tower. I stopped by yesterday and talked to the Fire 
Fighter
> that was stationed there. He had told me that cellphone companies 
had
> asked if they could put some equipment on the tower and the DOF 
flat
> out said no; however, the guy I talked to said a friend of his was 
a
> Ham and had expressed an interest in putting a Ham repeater on the
> tower and it was okayed but the Ham moved before anything was put 
into
> effect. The guy I talked with said to leave my contact information 
and
> he would pass it on to his boss and have him contact me with more
> information.
>I was wondering if anyone has done anything tower related with 
the
> Department of Forestry? If so what was your experiance like? I
> remember reading somewhere that hams and the DOF have an MOU 
together
> for tower space, anyone know anything about that? Any past 
experiances
> and tips would be greatly appreciated. Thanks and 73.
>  Alexander KG4OGN






 
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Re: [Repeater-Builder] Re: midland 13-509 220mhz to convert to repeater

[Ralph Mowery]

--- DCFluX <[EMAIL PROTECTED]> wrote:

> Anyone have any experience with the TX-220 by VHF
> Engineering?  I am
> debateing building it or just sticking with the
> FM-76
> 
> 

I know of a couple of the VHF Engineering repeaters
that have been on the air for many years.  Not too
sure how they would be at a location where the
receiver was in a high RF enviroment as the ones I
know of were not too close to other sources of RF. 
The transmitter will drift if the temperature changes
alot.  The Midland probably would also in the same
enviroment.
They will hold up under lots of use.
We used Midlands for RTTY (repeaters and at the house)
and they seem to run forever.





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RE: [Repeater-Builder] Re: Any ideas? (a little off topic)

[David VanHorn]

You might look at APRN.

Automatic Picture Relay Network.  An offshoot of APRS.

The unit in the field transmits an image file accompanied by a APRS 
packet.  The APRN server software captures the picture and attaches 
the location data from the APRS packet.  This is stored on the 
server's hard drive and exported to a web page for viewing.
 

Did they ever come up with a mechanism to tie the picture to the appropriate
APRS packet?






 
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[Repeater-Builder] Re: Any ideas? (a little off topic)

[nj902]

--- In Repeater-Builder@yahoogroups.com, "David Rogers" <[EMAIL PROTECTED]> 
wrote:
" on how to capture a radar image, I guess you would call it
"slow 
scan" ...Once captured, I would want to not only view it but convert 
it to digital to save/record/store/route .maybe someone has some 
ideas? ..."


You might look at APRN.

Automatic Picture Relay Network.  An offshoot of APRS.

The unit in the field transmits an image file accompanied by a APRS 
packet.  The APRN server software captures the picture and attaches 
the location data from the APRS packet.  This is stored on the 
server's hard drive and exported to a web page for viewing.
 








 
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[Repeater-Builder] Motorola MICOR Receiver VHF

[Lloyd Mitchell]

Anthony,

Check the PA tuning.  The PA is feeding back on itself.  We had this 
same problem on our SC Forestry VHF Micor a few years ago.

The PA will drop power when this happens.

Lloyd KD4HTW
SC Forestry Comms Coordinator


Message: 11
   Date: Fri, 29 Jul 2005 00:26:43 -
   From: "ANTHONY" <[EMAIL PROTECTED]>
Subject: Re: MOTOROLA MICOR receiver VHF

we have a backup REAPEATER spectrum and it is put out 75 W VHF no 
problems same power supply? and no SQUEALING REAPEATER anymore ID,s 
thanks for previous replies  ANTHONY W4NCR








 
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Re: [Repeater-Builder] Re: midland 13-509 220mhz to convert to repeater

[DCFluX]

Anyone have any experience with the TX-220 by VHF Engineering?  I am
debateing building it or just sticking with the FM-76

On 7/29/05, Richard Velez <[EMAIL PROTECTED]> wrote:
> I have  a spectrum 220 rec. It worked well in a site by it self. But
> once I transferred it to the main site ful of wonderful pager Tx and
> other com repeaters in the same site. Forgetaboutit. Regardless of how
> much filtering. So we went to a Micor Rec. Problem solved.
> Rich/N2ROW
> 
> >>> [EMAIL PROTECTED] 7/29/05 11:58:18 AM >>>
> Although the Clegg and Midland 13-509 radio mod to
> repeater convertion works ok, the receiver is fairly
> marginal for most busy repeater applications.  You'd
> do much better to buy a receiver designed for actual
> repeater operation.
> 
> I like the preformance and output functions of the
> Spectrum 220MHz (and 145/440 bands) Receiver,
> but they appear to be a "dys-functional business".
> 
> If you could get a receiver from Spectrum without being
> taken for a "Mr Toads Wild Ride" (Disney Land theme
> park ride), I'd say their equipment is worth at least
> looking at.
> 
> I bought and enjoy the operation of a new Maggiore 220
> receiver, which also works pretty well. They also come
> high on the list of good 220 MHz receivers.
> 
> cheers,
> skipp
> 
> www.radiowrench.com/sonic
> 
> > "Jim B." <[EMAIL PROTECTED]> wrote:
> > w8qpo wrote:
> >
> > > hello,
> > > anybody have details of converting midland 13-509 220mhz radio to
> > > repeater? I would like to split rec and tx.
> > > thanks brad w8qpo
> >
> > K1IKE posted this here in June:
> >
> > http://6mt.com/222tech.htm
> >
> > It looks like everything is there you would need. Remember Clegg and
> 
> > Cobra also marketed the same radio.
> > --
> > Jim Barbour
> > WD8CHL
> 
> 
> 
> 
> 
> 
> 
> 
> Yahoo! Groups Links
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> Confidentiality Notice:
> This message may contain information that is
> confidential or privileged.
> 
> If you are not the intended recipient,
> Please advise the sender immediately and delete this message.
> 
> 
> 
> 
> 
> 
> Yahoo! Groups Links
> 
> 
> 
> 
> 
> 
>




 
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Re: [Repeater-Builder] TLD1694E conversion?

[Neil McKie]

  #1, a lot of work - especially if you unsoldering many parts: 

  34 capacitors, 9 coils, 6 resistors and four transformers. 

  The TLD1694E is the split 4 model (162-174 MHz) 

  You want to move it to the split 2 model (132-150.8 MHz) 

  Neil - WA6KLA

wn1b8 wrote:
> 
> Can anyone tell me what is entailed in converting a Motorola 
> TLD1694E PA to 2 meter ham band? Detailed instructions would 
> be great but just a quick overview would be helpful. I have 
> searched the archives and looked on the web site but came up 
> dry.
> 
> Thanks,
> 
> Scott Madison, WN1B
> 
> 
> Yahoo! Groups Links
> 
> 
> 
>





 
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RE: [Repeater-Builder] Any ideas? (a little off topic)

[David VanHorn]

Sounds interesting from a skywarn sort of angle..
Tell us more?







 
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Re: [Repeater-Builder] Any ideas? (a little off topic)

[Benjamin Naber]

so what exactly is your application? And what are you
trying to do?

~Ben, KB9LFZ

--- David Rogers <[EMAIL PROTECTED]> wrote:

>  on how to capture a radar image, I guess you
> would call 
> it "slow scan" (that has no outputs) by placing a
> transmitting 
> camera in front of the screen and sending live feed
> to a central 
> point within a 25 mile range to be viewed.  This
> would be a 
> mobile/moving radar (like in a car/van/SUV). I would
> need the 
> transmitters, receivers, camera's, repeaters,
> routers or whatever 
> would be required.  Once captured, I would want to
> not only view it 
> but convert it to digital to save/record/store/route
> .maybe 
> someone has some ideas?  
> 
> Here's what I know.  I'm working at trying to
> balance two 
> variables...bandwidth of the network versus quality
> of video 
> passed.  For the sake of argument, let's say I have
> 8 mobile systems 
> with from one to three CRTs each.  Ideally, I need
> to pass: 1. the 
> highest quality video (it is probably possible to
> capture this prior 
> to the CRT in some way) I can, 2. a data channel
> with system info 
> (time stamp, pointing angles, target range, firing
> command, some 
> binary switch positions) and 3. a voice channel.  I
> think I have a 
> handle on the requirements for the last two so I am
> balancing the 
> quality of the video channels with the bandwidth of
> the transmission 
> media to create a flexible robust mobile network.  I
> know it can be 
> done.  I'm just ignorant of how to do it.
> 
> I know there are some bandwidth saving algorithms
> around...often 
> times a fairly large part of a video image does not
> change from 
> frame to frame.  But maybe this doesn't matter. 
> Maybe there is (or 
> soon will be) enough bandwidth in a "cell
> phone-like" system that I 
> don't need to worry about this.
> 
> Anyway, I'll link my 8 mobile systems to a remote
> node, then put 
> data from the systems on the internet in a secure
> fashion and send 
> it back to central location for processing.  The
> processing consists 
> of taking the time stamped system data (radar
> pointing angles and 
> range...a point in space) and comparing it to time
> stamped lat/long 
> and altitude from "aircraft of interest" data
> received through a 
> separate data channel.  The video data gets
> displayed so that local 
> experts can analyze what's taking place in the
> engagement and at the 
> same time it is also stored for future playback. 
> The voice channel 
> allows monitoring of radar operator actions and some
> coordination 
> among all the mobile systems, although they have an
> existing channel 
> for this.  The voice channel will also provide a
> broadcast system 
> from the remote location for test/training
> organization.
> 
> This is the stressing case.  A slightly different
> one is when the 
> systems are not mobile and situated on fixed
> concrete pads within a 
> few hundred meters of each other.  For that case, I
> just run fiber 
> and I can get all the bandwidth I want.
> 
> Thanks for the help,I look forward to your reply's
> 
> David Rogers, KD4KOB 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
>  
> Yahoo! Groups Links
> 
> 
> [EMAIL PROTECTED]
> 
>  
> 
> 
> 
> 


-
~Ben, KB9LFZ  
 
Got your radio on and "listening?" 
Then KEY the radio and and make some noise!
 
Keep Amateur Radio Alive - USE IT DAILY!!!






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RE: [Repeater-Builder] TLD1694E conversion?

[[EMAIL PROTECTED]]

Scott - I've rebuilt four or five of them over the years. You absolutely
need the Motorola MICOR Base Station/Repeater service manual, it gives the
parts values for the TLD1692 amp (and the 1693 and 1694 amps). It has
detailed parts lists, schematics, and pictorials of the circuit boards. It
really is a complete book on how to move a VHF MICOR to the ham band or
change ranges to any frequency from 136-174 MHz.

You need to change the indicated parts to be those that are used in the
TLD1692 amp. There are more than 50 caps, transformers, resistors, both
trimmer caps, etc. in the 150.8-174 MHz ranges that have to be removed and
be replaced with the 136-150 MHz range parts.  You almost strip the circuit
board completely bare and rebuild it with the new parts! 

I picked up one more set of parts while at Motorola in Schaumburg, IL one
time, so I could rebuild one more amp - it was about $150 worth of parts.
Some of the special transformers were around $25 each. But since then, I've
found several of the factory TLD1692 PA decks that are already in the
136-150 MHz range, so I never got around to rebuilding that last high-split
TLD1694 PA deck, and I sold it to someone who needed it for their business
on 162 MHz.

Have fun,
Larry K7LJ



Original Message:
-
From: wn1b8 [EMAIL PROTECTED]
Date: Fri, 29 Jul 2005 18:05:05 -
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] TLD1694E conversion?


Can anyone tell me what is entailed in converting a Motorola TLD1694E 
PA to 2 meter ham band? Detailed instructions would be great but just 
a quick overview would be helpful. I have searched the archives and 
looked on the web site but came up dry.

Thanks,

Scott Madison, WN1B






 
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[Repeater-Builder] Re: midland 13-509 220mhz to convert to repeater

[Richard Velez]

I have  a spectrum 220 rec. It worked well in a site by it self. But
once I transferred it to the main site ful of wonderful pager Tx and
other com repeaters in the same site. Forgetaboutit. Regardless of how
much filtering. So we went to a Micor Rec. Problem solved.
Rich/N2ROW

>>> [EMAIL PROTECTED] 7/29/05 11:58:18 AM >>>
Although the Clegg and Midland 13-509 radio mod to 
repeater convertion works ok, the receiver is fairly 
marginal for most busy repeater applications.  You'd 
do much better to buy a receiver designed for actual 
repeater operation. 

I like the preformance and output functions of the 
Spectrum 220MHz (and 145/440 bands) Receiver, 
but they appear to be a "dys-functional business". 

If you could get a receiver from Spectrum without being 
taken for a "Mr Toads Wild Ride" (Disney Land theme 
park ride), I'd say their equipment is worth at least 
looking at. 

I bought and enjoy the operation of a new Maggiore 220 
receiver, which also works pretty well. They also come 
high on the list of good 220 MHz receivers.

cheers,
skipp 

www.radiowrench.com/sonic 

> "Jim B." <[EMAIL PROTECTED]> wrote:
> w8qpo wrote:
> 
> > hello,
> > anybody have details of converting midland 13-509 220mhz radio to 
> > repeater? I would like to split rec and tx.
> > thanks brad w8qpo
> 
> K1IKE posted this here in June:
> 
> http://6mt.com/222tech.htm 
> 
> It looks like everything is there you would need. Remember Clegg and

> Cobra also marketed the same radio.
> -- 
> Jim Barbour
> WD8CHL







 
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[Repeater-Builder] TLD1694E conversion?

[wn1b8]

Can anyone tell me what is entailed in converting a Motorola TLD1694E 
PA to 2 meter ham band? Detailed instructions would be great but just 
a quick overview would be helpful. I have searched the archives and 
looked on the web site but came up dry.

Thanks,

Scott Madison, WN1B






 
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[Repeater-Builder] Sinadder

[Ralph Mowery]

Does anyone have a link to an online manual for the
Helper Instruments Sinadder ?

I know how to use one but would like to see what the
book has to say about it, maybe even a schematic
incase I need to repair it at a later date.


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RE: [Repeater-Builder] Department of Forestry Tower, Any Experiance???

[Rich Garcia]

Got any outdoor photos of the cabin and tower/surrounding area?
Sounds to be a great place...be neat to build on to it and make it a small
getaway/weekend contesting station. 

Rich

-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] Behalf Of Kevin Custer
Sent: Thursday, July 28, 2005 9:24 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Department of Forestry Tower, Any
Experiance???


Alexander N Tubonjic wrote:

>  Hello All,
> The local department of Forestry has an observation tower that is
>over 200' off the ground. I would like to put my UHF Amateur repeater
>on that tower. I stopped by yesterday and talked to the Fire Fighter
>that was stationed there. He had told me that cellphone companies had
>asked if they could put some equipment on the tower and the DOF flat
>out said no; however, the guy I talked to said a friend of his was a
>Ham and had expressed an interest in putting a Ham repeater on the
>tower and it was okayed but the Ham moved before anything was put into
>effect. The guy I talked with said to leave my contact information and
>he would pass it on to his boss and have him contact me with more
>information.
>   I was wondering if anyone has done anything tower related with the
>Department of Forestry? If so what was your experiance like? I
>remember reading somewhere that hams and the DOF have an MOU together
>for tower space, anyone know anything about that? Any past experiances
>and tips would be greatly appreciated. Thanks and 73.
> Alexander KG4OGN
>

In June 1990 I installed a 2 meter repeater on a Pennsylvania (DER) Fire 
Tower.  It's co-located with a CAP 2 meter repeater.  It's been there 
ever since, no problems with the Department of Forestry or DER.  It's 
the second highest 2 meter repeater in PA.

Later that same year, August I believe, I installed yet another repeater 
on a different Fire Tower.  Later on, in 1997, the DER contacted me and 
said this particular tower and ground cabin was being sold to relieve 
the DER of liability.  A friend of mine and I purchased the "Hay's Mill 
Fire Tower" and Ground Cabin later that same year:



My experiences with the DOF and DER have been good, YMMV...

Kevin Custer





 
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[Repeater-Builder] Re: midland 13-509 220mhz to convert to repeater

[skipp025]

Although the Clegg and Midland 13-509 radio mod to 
repeater convertion works ok, the receiver is fairly 
marginal for most busy repeater applications.  You'd 
do much better to buy a receiver designed for actual 
repeater operation. 

I like the preformance and output functions of the 
Spectrum 220MHz (and 145/440 bands) Receiver, 
but they appear to be a "dys-functional business". 

If you could get a receiver from Spectrum without being 
taken for a "Mr Toads Wild Ride" (Disney Land theme 
park ride), I'd say their equipment is worth at least 
looking at. 

I bought and enjoy the operation of a new Maggiore 220 
receiver, which also works pretty well. They also come 
high on the list of good 220 MHz receivers.

cheers,
skipp 

www.radiowrench.com/sonic

> "Jim B." <[EMAIL PROTECTED]> wrote:
> w8qpo wrote:
> 
> > hello,
> > anybody have details of converting midland 13-509 220mhz radio to 
> > repeater? I would like to split rec and tx.
> > thanks brad w8qpo
> 
> K1IKE posted this here in June:
> 
> http://6mt.com/222tech.htm
> 
> It looks like everything is there you would need. Remember Clegg and 
> Cobra also marketed the same radio.
> -- 
> Jim Barbour
> WD8CHL







 
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[Repeater-Builder] Still Wanted - Cushman Service Monitor Manual

[John Burch]

 Wanted - original paper manual (or excellent 
  full-sized photocopy) for the Cushman CE-4
  service monitor.
 
  Would also like to find the manual for the
  Cushman model 317 plug-in.
 
  Thanks de John
 ..






 
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Re: [Repeater-Builder] midland 13-509 220mhz to convert to repeater

[Russ Stafford]

Hi Brad,
I bet if you would write or call Paul Maggiore, AA3VI he could tell you. The 
early Maggiore repeater where all made from the Clegg FM-76 and the Midland 
13-509 mobile radio's. His phone number is (610)436-6051.
He also has a ton of parts for these radio's.
Good luck,
Russ, W3CH

- Original Message - 
From: "w8qpo" <[EMAIL PROTECTED]>
To: 
Sent: Friday, July 29, 2005 1:13 AM
Subject: [Repeater-Builder] midland 13-509 220mhz to convert to repeater


> hello,
> anybody have details of converting midland 13-509 220mhz radio to
> repeater? I would like to split rec and tx.
> thanks brad w8qpo






 
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Re: [Repeater-Builder] midland 13-509 220mhz to convert to repeater

[Jim B.]

w8qpo wrote:

> hello,
> anybody have details of converting midland 13-509 220mhz radio to 
> repeater? I would like to split rec and tx.
> thanks brad w8qpo

K1IKE posted this here in June:

http://6mt.com/222tech.htm

It looks like everything is there you would need. Remember Clegg and 
Cobra also marketed the same radio.
-- 
Jim Barbour
WD8CHL





 
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[Repeater-Builder] Mobile Repeater

[Paul Finch]

Hello,

Many years ago I built crossband radio setup going from a simplex PPL 6060
to a EF Johnson 800 MHz trunk radio.  The simplex PPL 6060 was not good
enough so I built a full duplex mobile repeater out of another  EF Johnson
PPL 6060 on one of the old splinter channels.  I had a 16 function Touch
Tone decoder controlling a E F Johnson 800 MHz trunking radio in my truck
that also carried two batteries.  I had a Phelps Dodge, Cellwave whatever 4
cavity mobile duplexer feeding a antenna mounted under the truck which most
of the time gave me good enough coverage to go inside large building without
a lot of dead spots.  If I needed more coverage I just stuck a mag mount
antenna on top of the truck, along side the other 5 antennas .  I
could change systems or groups, go to the phone patch, turn the trunk radio
off or inhibit the transmitter so I could use the repeater locally without
bothering the office.  I still have the PPL 6060 that's now on a Ham
repeater frequency with the Touch Tone controller but the trunk system has
gone the way of NEXTEL unfortunately!

It was fun to build and use!  Who cares if it was legal or not, besides they
can't get me now, the statute of limitations is past now!

Actually we had licenses on all frequencies and the FCC did not care what
you did with the splinter channels at the time, or so the lawyer said!

Paul
WB5IDM







 
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RE: [Repeater-Builder] RC-1000 AND GM350 MOTOROLA?

[Mike Mullarkey]

It looks like your making a repeater and
you need a COR for the controller. You have picked a difficult radio to use for
that but you can pull an active COR signal off the led of the front of the
radio. It is tied directly to the COR circuit.

 

Mike

 



Oregon Repeater Linking Group

Mike Mullarkey

6539 E Street

Springfield, OR 97478

541-747-1303

[EMAIL PROTECTED]

www.orlg.org

 

 



-Original Message-
From: Repeater-Builder@yahoogroups.com [mailto:Repeater-Builder@yahoogroups.com] On Behalf Of Velissaris Dimitris
Sent: Thursday, July 28, 2005 9:53
PM
To: Repeater-Builder@yahoogroups.com
Subject: FW: [Repeater-Builder]
RC-1000 AND GM350 MOTOROLA?

 

 

HELLO EVERYONE. I HAVE THE RC-1000
CONTROLER OF MCC COMPANY AND I NEED TO FIND OUT A COR SIGNAL INSIDE THE GM350
MOTOROLA   (2CHANNEL) MOBILE AFTER THE SUBTONE (88.5) DECODER. I WISH
SOMEONE HELPS ON IT.

 

 

 

 

 

 

Best regards

SV1EDZ

 

Dimitris Velissaris

Technical Support

RadioCommunications Dpt.

ANCO S.A

44 Syngrou Ave

117 42 Athens - Greece

Tel : +0302109209217

Fax : +302109209345

URL : www.anco.gr

e-mail : [EMAIL PROTECTED]

 


















  




  
  
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[Repeater-Builder] Any ideas? (a little off topic)

[David Rogers]

 on how to capture a radar image, I guess you would call 
it "slow scan" (that has no outputs) by placing a transmitting 
camera in front of the screen and sending live feed to a central 
point within a 25 mile range to be viewed.  This would be a 
mobile/moving radar (like in a car/van/SUV). I would need the 
transmitters, receivers, camera's, repeaters, routers or whatever 
would be required.  Once captured, I would want to not only view it 
but convert it to digital to save/record/store/route .maybe 
someone has some ideas?  

Here's what I know.  I'm working at trying to balance two 
variables...bandwidth of the network versus quality of video 
passed.  For the sake of argument, let's say I have 8 mobile systems 
with from one to three CRTs each.  Ideally, I need to pass: 1. the 
highest quality video (it is probably possible to capture this prior 
to the CRT in some way) I can, 2. a data channel with system info 
(time stamp, pointing angles, target range, firing command, some 
binary switch positions) and 3. a voice channel.  I think I have a 
handle on the requirements for the last two so I am balancing the 
quality of the video channels with the bandwidth of the transmission 
media to create a flexible robust mobile network.  I know it can be 
done.  I'm just ignorant of how to do it.

I know there are some bandwidth saving algorithms around...often 
times a fairly large part of a video image does not change from 
frame to frame.  But maybe this doesn't matter.  Maybe there is (or 
soon will be) enough bandwidth in a "cell phone-like" system that I 
don't need to worry about this.

Anyway, I'll link my 8 mobile systems to a remote node, then put 
data from the systems on the internet in a secure fashion and send 
it back to central location for processing.  The processing consists 
of taking the time stamped system data (radar pointing angles and 
range...a point in space) and comparing it to time stamped lat/long 
and altitude from "aircraft of interest" data received through a 
separate data channel.  The video data gets displayed so that local 
experts can analyze what's taking place in the engagement and at the 
same time it is also stored for future playback.  The voice channel 
allows monitoring of radar operator actions and some coordination 
among all the mobile systems, although they have an existing channel 
for this.  The voice channel will also provide a broadcast system 
from the remote location for test/training organization.

This is the stressing case.  A slightly different one is when the 
systems are not mobile and situated on fixed concrete pads within a 
few hundred meters of each other.  For that case, I just run fiber 
and I can get all the bandwidth I want.

Thanks for the help,I look forward to your reply's

David Rogers, KD4KOB 










 
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FW: [Repeater-Builder] RC-1000 AND GM350 MOTOROLA?

[Velissaris Dimitris]

 

HELLO EVERYONE. I HAVE THE RC-1000 CONTROLER OF MCC
COMPANY AND I NEED TO FIND OUT A COR SIGNAL INSIDE THE GM350 MOTOROLA
  (2CHANNEL) MOBILE AFTER
THE SUBTONE (88.5) DECODER. I WISH SOMEONE HELPS ON IT.

 

 

 

 

 

 

Best regards

SV1EDZ

 

Dimitris Velissaris

Technical Support

RadioCommunications Dpt.

ANCO S.A

44 Syngrou Ave

117 42 Athens
- Greece

Tel : +0302109209217

Fax : +302109209345

URL : www.anco.gr

e-mail : [EMAIL PROTECTED]

 

















  




  
  
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[Repeater-Builder] midland 13-509 220mhz to convert to repeater

[w8qpo]

hello,
anybody have details of converting midland 13-509 220mhz radio to 
repeater? I would like to split rec and tx.
thanks brad w8qpo








 
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[Repeater-Builder] Re: Wanted Zetron 32 DAPT

[Com/Rad Inc - Ed Folta]

 














  




  
  
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