date:20051127


  Hi Larry, 

  I have both the Red Book and the Yellow Book here in case he 
 needs either one ... but I most likely have the original manual 
 on the radios he has too. 

  Neil 


"[EMAIL PROTECTED]" wrote:
> 
> He will probably need a copy of "The Red Book" or "The Yellow Book" to get
> it going. People who were into converting old tube-type Motorola gear back
> in the 60's - 70's to the ham bands will know what those two books were.
> 
> However, the "G" series receiver wasn't a good Repeater receiver even when
> it was new, and was never intended by Motorola to be used in Repeater
> service. It was much smaller than the "A" series receiver, and was intended
> for Base Station and Mobile only use - not as a Repeater receiver. The
> Sensicon "A" receiver is the one he wants if he really wants to have an old
> Motorola Tube-type repeater. We converted lots of those to 2-Meters in past
> lives. I think I heard that Motorola still made a few of them as late as
> about 1964.
> 
> Larry
> 
> Original Message:
> -
> From: Neil McKie [EMAIL PROTECTED]
> Date: Sun, 27 Nov 2005 18:57:13 -0800
> To: Repeater-Builder@yahoogroups.com
> Subject: Re: [Repeater-Builder] Re: trying to build my first repeater
> 
>   What frequency pair are you planning to put this on?
> 
>   By the model numbers you gave, I seriously doubt the FCC will
>  allow those radios on any commercial 2-way radio frequency.
> 
>   If going into the amateur radio band, you will need to adjust
>  the transmitter deviation to conform with your local area band
>  plan ... usually meaning +/- 4.5 kHz Deviation ... clearly not a
>  hi-fi sound.
> 
>   Hope this helps,
> 
>   Neil
> 
> us_communications1 wrote:
> >
> > Perhaps I did not make myself clear. The repeater i am building will
> > be nearly hi-fidelity audio and such is why i intend to use tube
> > equipment. i worked in commercial 2 way radio in the 1960's and
> > worked in broadcasting in the 1970's. tube equipment in highly
> > reliable if properly maintained, which i can do. (i do admit that
> > there are not to many of us left that know how to properly maintain
> > electronic equipment.
> >
> > i am setting this up to volunteer a system for an group.
> >
> > --- In Repeater-Builder@yahoogroups.com, "Bob M." <[EMAIL PROTECTED]>
> > wrote:
> > >
> > > Your training and preference are great for hi-fi audio
> > > equipment, but repeaters are optimized for weak
> > > signals with voice only, and as such, fidelity is not
> > > one of their strong points. 50 - 3500 Hz is about the
> > > limit, and the user radios will make it sound even
> > > worse.
> > >
> > > Today's solid-state communications equipment far
> > > surpasses the older tube stuff as far as reliability,
> > > durability, and ease of getting replacement parts when
> > > needed. A lot of today's radios don't even need to be
> > > tuned - they're wide-band but still quite selective
> > > and more sensitive than the tube radios ever could
> > > hope to be.
> > >
> > > There's a ton of good repeater-building information
> > > over on www.repeater-builder.com and you would spend
> > > less time reading it than you would trying to make
> > > those old U43GG? radios perform the continuous duty
> > > cycle required of repeaters.
> > >
> > > Bob M.
> > > ==
> > > --- us_communications1 <[EMAIL PROTECTED]>
> > > wrote:
> > >
> > > > I attempting to build my first repeater. I have
> > > > always preferred to
> > > > have the best audio quality for my equipment. My
> > > > training has always
> > > > told me that tube equipment delivers the
> > > > richest/fullest audio. So I
> > > > have been rounding up all the tube equipment I can
> > > > find. The equipment
> > > > is all motorola and the model numbers are
> > > > u43ggt-1000 and u43ggv-1000.
> > > > how do I proceed on finding the paperwork on
> > > > converting these to
> > > > repeaters?
> > > >
> > > > thank you for your time.
> > >
> > >
> > >
> > > __
> > > Yahoo! Music Unlimited
> > > Access over 1 million songs. Try it free.
> > > http://music.yahoo.com/unlimited/
> > >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> 
> 
> Yahoo! Groups Links
> 
> 
> 
> 
> mail2web - Check your email from the web at
> http://mail2web.com/ .
> 
> 
> Yahoo! Groups Links
> 
> 
> 
>





 
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Re: [Repeater-Builder] Re: trying to build my first repeater


  I'm in the TAB Books #1212 only ... name and picture. 

  Neil 

nj902 wrote:
> 
> --- In Repeater-Builder@yahoogroups.com, Neil McKie <[EMAIL PROTECTED]> wrote:
> "Careful, my picture is in the Ken Sessions Book - Tab Books #1212."
> _
> 
> I have the original hardcover published by Editors and Engineers Ltd.
>  I also have TAB No. 621.
> 
> Are you in either of those?
>





 
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Re: [Repeater-Builder] Re: trying to build my first repeater


  Almost like the Heath-quit W5M audio amplifiers? 

  Neil 

nj902 wrote:
> 
> --- In Repeater-Builder@yahoogroups.com, "Richard" <[EMAIL PROTECTED]> 
> wrote: " Ok, I'll bite... what does "TAS" stand for?"
> ___
> 
> TAS = the absolute sound [www.theabsolutesound.com]
> 
> A high end audio publication.
> 
> Actually - I was just thinking - maybe we are missing a great 
> business opportunity here.  Take a look at an issue of TAS or 
> Stereophile and look at the adds.  This tube stuff and all sorts 
> of accessories like "interconnects" bring big bucks these days. 
> e.g. Kimber TAK tone arm cable, 1 meter pair, $600.00, Nordost 
> Valhalla 1 meter w/RCA, $3300.00, etc.
> 
> If we could convince our brother amateurs of the value of oxygen 
> free coax and repeater controllers with all triode audio stages ... 
> hmmm
> 
>





 
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Re: [Repeater-Builder] Re: OT: Looking for Dave Fortenberry, NA6DF


  Now you know where we are ... where are you? 

  We meet every Wednesday - late morning at 11:30am ... talk-in is 
 on 146.70 or 147.36 MHz 

  Neil 

skipp025 wrote:
> 
> Invite us up for lunch some time... you
> and any other group member are always welcome
> to join us...
> s.
> 
> > Neil McKie <[EMAIL PROTECTED]> wrote:
> >
> >
> >   We have one of those in Bend, Oregon each week.
> >
> >   Neil - WA6KLA
> >
> > skipp025 wrote:
> > >
> > > Email me direct if you can't find him...
> > > I see him each wednesday at the super
> > > secret electronics geek lunch in
> > > Sacramento... plus I have his phone
> > > numbers and an alternate email address.
> > >
> > > skipp
> > > skipp025 at yahoo.com
> > >
> > > > Kevin Custer <[EMAIL PROTECTED]> wrote:
> > > >
> > > > Dave,
> > > >
> > > > You still on the list?
> > > >
> > > > Kevin
> > > >
> > >
> >
> 
> 
> Yahoo! Groups Links
> 
> 
> 
>





 
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Re: [Repeater-Builder] Re: trying to build my first repeater


  ... 

skipp025 wrote:
> 
> > Perhaps I did not make myself clear. The repeater
> > i am building will be nearly hi-fidelity audio and
> > such is why i intend to use tube equipment.
> 
> Z.!  oop's  I fell asleep. A tube
> repeater gear means you're obviously not paying the
> utility bill.  An old GE EP-38 has got to run about
> $40 a month...  figure a GE Progress Line or Motorola
> Research Line has got to be min $50 a month. 

  How about an old 250BR? 

 
> > i worked in commercial 2 way radio in the 1960's and
> > worked in broadcasting in the 1970's. tube equipment
> > in highly  reliable if properly maintained, which i
> > can do. (i do admit that there are not to many of us
> > left that know how to properly maintain electronic
> > equipment.
> 
> I wouldn't say that...

  I wouldn't say that either ... 

 
> > i am setting this up to volunteer a system for
> > an group.
> 
> The "an group" will spend all its time working on
> the radio gear.

  Especially if all the insulation on the wiring has dried up 
 and is coming off. 

 
> > > Your training and preference are great for hi-fi
> > > audio equipment, but repeaters are optimized for
> > > weak signals with voice only,
> 
> You haven't been looking at the ctcss, dcs or ltr
> information have you..?

  ... yet ... 


 
> > > and as such, fidelity is no one of their strong
> > > points. 50 - 3500 Hz is about the limit, and the
> > > user radios will make it sound even worse.
> 
> They don't sound so bad to me... although my hearing
> suffers a bit from the 70's music level.

  I fondly remember those days ...  

 
> > > Today's solid-state communications equipment far
> > > surpasses the older tube stuff as far as reliability,
> > > durability, and ease of getting replacement parts when
> > > needed. A lot of today's radios don't even need to be
> > > tuned - they're wide-band but still quite selective
> > > and more sensitive than the tube radios ever could
> > > hope to be.
> 
> You're making my Motorola Sensicon Receiver mad...

  You need a diagram for it ... yet? 

 
> > > There's a ton of good repeater-building information
> > > over on www.repeater-builder.com and you would spend
> > > less time reading it than you would trying to make
> > > those old U43GG? radios perform the continuous duty
> > > cycle required of repeaters.
> > >
> > > Bob M.
> 
> Simple... self abuse.   But he can have the old RCA Carfone
> Base in my storage unit if he wanted to truck it home...
> Only takes a forklift to move it...
> 
> skipp

  Neil





 
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Re: [Repeater-Builder] Re: trying to build my first repeater

2005-11-27 Thread [EMAIL PROTECTED]

He will probably need a copy of "The Red Book" or "The Yellow Book" to get
it going. People who were into converting old tube-type Motorola gear back
in the 60's - 70's to the ham bands will know what those two books were.

However, the "G" series receiver wasn't a good Repeater receiver even when
it was new, and was never intended by Motorola to be used in Repeater
service. It was much smaller than the "A" series receiver, and was intended
for Base Station and Mobile only use - not as a Repeater receiver. The
Sensicon "A" receiver is the one he wants if he really wants to have an old
Motorola Tube-type repeater. We converted lots of those to 2-Meters in past
lives. I think I heard that Motorola still made a few of them as late as
about 1964.

Larry

Original Message:
-
From: Neil McKie [EMAIL PROTECTED]
Date: Sun, 27 Nov 2005 18:57:13 -0800
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Re: trying to build my first repeater

  What frequency pair are you planning to put this on? 

  By the model numbers you gave, I seriously doubt the FCC will 
 allow those radios on any commercial 2-way radio frequency. 

  If going into the amateur radio band, you will need to adjust 
 the transmitter deviation to conform with your local area band 
 plan ... usually meaning +/- 4.5 kHz Deviation ... clearly not a 
 hi-fi sound. 

  Hope this helps, 

  Neil 

us_communications1 wrote:
> 
> Perhaps I did not make myself clear. The repeater i am building will
> be nearly hi-fidelity audio and such is why i intend to use tube
> equipment. i worked in commercial 2 way radio in the 1960's and
> worked in broadcasting in the 1970's. tube equipment in highly
> reliable if properly maintained, which i can do. (i do admit that
> there are not to many of us left that know how to properly maintain
> electronic equipment.
> 
> i am setting this up to volunteer a system for an group.
> 
> --- In Repeater-Builder@yahoogroups.com, "Bob M." <[EMAIL PROTECTED]>
> wrote:
> >
> > Your training and preference are great for hi-fi audio
> > equipment, but repeaters are optimized for weak
> > signals with voice only, and as such, fidelity is not
> > one of their strong points. 50 - 3500 Hz is about the
> > limit, and the user radios will make it sound even
> > worse.
> >
> > Today's solid-state communications equipment far
> > surpasses the older tube stuff as far as reliability,
> > durability, and ease of getting replacement parts when
> > needed. A lot of today's radios don't even need to be
> > tuned - they're wide-band but still quite selective
> > and more sensitive than the tube radios ever could
> > hope to be.
> >
> > There's a ton of good repeater-building information
> > over on www.repeater-builder.com and you would spend
> > less time reading it than you would trying to make
> > those old U43GG? radios perform the continuous duty
> > cycle required of repeaters.
> >
> > Bob M.
> > ==
> > --- us_communications1 <[EMAIL PROTECTED]>
> > wrote:
> >
> > > I attempting to build my first repeater. I have
> > > always preferred to
> > > have the best audio quality for my equipment. My
> > > training has always
> > > told me that tube equipment delivers the
> > > richest/fullest audio. So I
> > > have been rounding up all the tube equipment I can
> > > find. The equipment
> > > is all motorola and the model numbers are
> > > u43ggt-1000 and u43ggv-1000.
> > > how do I proceed on finding the paperwork on
> > > converting these to
> > > repeaters?
> > >
> > > thank you for your time.
> >
> >
> >
> > __
> > Yahoo! Music Unlimited
> > Access over 1 million songs. Try it free.
> > http://music.yahoo.com/unlimited/
> >
> 
> 
> Yahoo! Groups Links
> 
> 
> 
>

Yahoo! Groups Links

mail2web - Check your email from the web at
http://mail2web.com/ .

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[Repeater-Builder] Re: trying to build my first repeater

2005-11-27 Thread nj902

--- In Repeater-Builder@yahoogroups.com, Neil McKie <[EMAIL PROTECTED]> wrote:
"Careful, my picture is in the Ken Sessions Book - Tab Books #1212." 
__

I have the original hardcover published by Editors and Engineers Ltd.
 I also have TAB No. 621.  

Are you in either of those?








 
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Re: [Repeater-Builder] Re: Two Tone Sequential Paging

2005-11-27 Thread Q

Ahhh,yes! Bill,Bob and Lloyd...what a machine!

Coy Hilton wrote:
> If anyone still has a BBL paging terminal manual System III, System 
> IV or System VI it should be in the section under the Output Module. 
> This module was basically the same in all the units.
> 
> 73
> AC0Y
> 
> --- In Repeater-Builder@yahoogroups.com, Eric Lemmon <[EMAIL PROTECTED]> 
> wrote:
> 
>>Bernie,
>>
>>The information you seek is contained in EIA-374-A, entitled "Land 
> 
> Mobile
> 
>>Signaling Standard."  This document was published in March 1981, 
> 
> but
> 
>>withdrawn in November 2002.  I'll check on its status when I get 
> 
> to work
> 
>>on Monday.
>>
>>73, Eric Lemmon WB6FLY





 
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[Repeater-Builder] Tom says thanks (regarding the Hamvention input)

re: Tom says thanks (regarding the Hamvention input)

[paste]
Hi Skipp..
Please pass along my thanks for the ideas. Obviously, we 
can't implement all of them due to space or other 
considerations, but they do give us a basis for gauging 
interest.
Thanks again! 
Regards,
Tom 
[end paste] 

Anything you folks care to suggest about the Dayton 
Hamvention can be emailed direct to me... skipp025 at 
yahoo.com   I'll forward them on to Tom.  thanks







 
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[Repeater-Builder] Re: trying to build my first repeater

2005-11-27 Thread nj902

--- In Repeater-Builder@yahoogroups.com, "Richard" <[EMAIL PROTECTED]> wrote:
" Ok, I'll bite... what does "TAS" stand for?"
___

TAS = the absolute sound [www.theabsolutesound.com]

A high end audio publication.

Actually - I was just thinking - maybe we are missing a great business
opportunity here.  Take a look at an issue of TAS or Stereophile and
look at the adds.  This tube stuff and all sorts of accessories like
"interconnects" bring big bucks these days. e.g. Kimber TAK tone arm
cable, 1 meter pair, $600.00, Nordost Valhalla 1 meter w/RCA,
$3300.00, etc.

If we could convince our brother amateurs of the value of oxygen free
coax and repeater controllers with all triode audio stages ... hmmm







 
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[Repeater-Builder] Re: OT: Looking for Dave Fortenberry, NA6DF

Invite us up for lunch some time... you 
and any other group member are always welcome 
to join us... 
s. 

> Neil McKie <[EMAIL PROTECTED]> wrote:
>
> 
>   We have one of those in Bend, Oregon each week. 
> 
>   Neil - WA6KLA 
> 
> skipp025 wrote:
> > 
> > Email me direct if you can't find him...
> > I see him each wednesday at the super
> > secret electronics geek lunch in
> > Sacramento... plus I have his phone
> > numbers and an alternate email address.
> > 
> > skipp
> > skipp025 at yahoo.com
> > 
> > > Kevin Custer <[EMAIL PROTECTED]> wrote:
> > >
> > > Dave,
> > >
> > > You still on the list?
> > >
> > > Kevin
> > >
> >
>








 
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[Repeater-Builder] Re: trying to build my first repeater

> Perhaps I did not make myself clear. The repeater 
> i am building will be nearly hi-fidelity audio and 
> such is why i intend to use tube equipment. 

Z.!  oop's  I fell asleep. A tube 
repeater gear means you're obviously not paying the 
utility bill.  An old GE EP-38 has got to run about 
$40 a month...  figure a GE Progress Line or Motorola 
Research Line has got to be min $50 a month. 


> i worked in commercial 2 way radio in the 1960's and 
> worked in broadcasting in the 1970's. tube equipment 
> in highly  reliable if properly maintained, which i 
> can do. (i do admit that there are not to many of us 
> left that know how to properly maintain electronic 
> equipment.

I wouldn't say that... 

> i am setting this up to volunteer a system for 
> an group.

The "an group" will spend all its time working on 
the radio gear. 

> > Your training and preference are great for hi-fi 
> > audio equipment, but repeaters are optimized for 
> > weak signals with voice only, 

You haven't been looking at the ctcss, dcs or ltr 
information have you..? 

> > and as such, fidelity is no one of their strong 
> > points. 50 - 3500 Hz is about the limit, and the 
> > user radios will make it sound even worse.

They don't sound so bad to me... although my hearing 
suffers a bit from the 70's music level. 

> > Today's solid-state communications equipment far
> > surpasses the older tube stuff as far as reliability,
> > durability, and ease of getting replacement parts when
> > needed. A lot of today's radios don't even need to be
> > tuned - they're wide-band but still quite selective
> > and more sensitive than the tube radios ever could
> > hope to be.

You're making my Motorola Sensicon Receiver mad... 

> > There's a ton of good repeater-building information
> > over on www.repeater-builder.com and you would spend
> > less time reading it than you would trying to make
> > those old U43GG? radios perform the continuous duty
> > cycle required of repeaters.
> > 
> > Bob M. 

Simple... self abuse.   But he can have the old RCA Carfone 
Base in my storage unit if he wanted to truck it home...  
Only takes a forklift to move it... 

skipp 








 
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Re: [Repeater-Builder] Re: OT: Looking for Dave Fortenberry, NA6DF


  We have one of those in Bend, Oregon each week. 

  Neil - WA6KLA 

skipp025 wrote:
> 
> Email me direct if you can't find him...
> I see him each wednesday at the super
> secret electronics geek lunch in
> Sacramento... plus I have his phone
> numbers and an alternate email address.
> 
> skipp
> skipp025 at yahoo.com
> 
> > Kevin Custer <[EMAIL PROTECTED]> wrote:
> >
> > Dave,
> >
> > You still on the list?
> >
> > Kevin
> >
>





 
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Re: [Repeater-Builder] GMRS Interference with Canada

2005-11-27 Thread Paul Yonge

Eric -

Thanks for the information.

Paul Yonge


On Nov 27, 2005, at 9:56 PM, Eric Lemmon wrote:

> Paul,
>
> The definitions of Line A and Line C are found in Part 2 of the FCC  
> Rules:
>
> "Line A. Begins at Aberdeen, Washington running by great circle arc  
> to the intersection of
> 48N, 120W, thence along parallel 48N, to the intersection of 95W,  
> thence by great circle arc
> through the southernmost point of Duluth, Minn., thence by great  
> circle arc to 45N, 85W,
> thence southward along meridian 85W, to its intersection with  
> parallel 41N, thence along
> parallel 41N, to its intersection with meridian 82W, thence by  
> great circle arc through the
> southernmost point of Bangor, Maine, thence by great circle arc  
> through the southernmost point
> of Searsport, Maine, at which point it terminates."
>
> "Line C. Begins at the intersection of 70N, 144W, thence by great  
> circle arc to the
> intersection of 60N, 143W, thence by great circle arc so as to  
> include all of the Alaskan
> Panhandle."
>
> 73, Eric Lemmon WB6FLY
>
>






 
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Re: [Repeater-Builder] Re: trying to build my first repeater


  ... 
 
nj902 wrote:
> 
> --- In Repeater-Builder@yahoogroups.com, "us_communications1"
> <[EMAIL PROTECTED]> wrote:
> "...WHAT I AM LOOKING FOR IS DIRECTION OF HOW OTHERS DID THIS. 
> the radios are 30+ years old so i can't believe that i am the 
> first to think of using the higer quality tube equipment. ..."
> 
> _
> 
> Higher quality?  Just because they use tubes?  TAS lifetime 
> subscriber?
> 
> But - to answer your question - you could build a tube type 
> repeater - it's your time to spend as you wish.
> 
> Your best bet would be to search hamfests or go to the Dayton
> Hamvention and try to find a copy of the "Radio Amateur's F-M 
> Repeater Handbook" by Ken W. Sessions, c.1969, and any other 
> period literature you can find.

  Careful, my picture is in the Ken Sessions Book - Tab Books #1212. 


> Once upon a time hams did make repeaters out of the tube type 
> stuff when it was plentiful on the surplus market in the 1960's.
> 
> You might also check with your local two-way radio shops - it's 
> just possible they may have an old tube type repeater sitting 
> around that hasn't made it to the landfill yet.  If not that - 
> they might have some old manuals for tube type repeaters. 

  I have one here ... is a Motrac high-band repeater.  You can have 
 it - just come by and get it. 

  Neil





 
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Re: [Repeater-Builder] GMRS Interference with Canada

2005-11-27 Thread Paul Yonge

Rick & Charlotte -

Thanks for the reference to the map.  It looks like Line A goes right  
through Syracuse so I now have a choice of six channel pairs instead  
of eight channel pairs to use on a GMRS repeater.

Paul Yonge

On Nov 27, 2005, at 9:51 PM, Rick & Charlotte wrote:

> http://ftp.fcc.gov/oet/info/maps/canline/canline.html
>
> for a map of the lines
>
>

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[Repeater-Builder] Re: 6 meter repeater duplexer (not used)


Hi Reid, 

It's not the same site you're thinking... but I've been 
able to make one play from your old repeater site. But 
a lot has changed since you were up there. 

You needed to get rid of the silly gear and get a 
heavy duty Midland Mobile...  :-) 

cheers, 
skipp 

ps: Email me direct Reid... I've been trying to find 
you and your old yahoo email address doesn't work. 

> "rfburnz" <[EMAIL PROTECTED]> wrote:
>
> skipp, I could never get my 6M rcvr quiet on the site you refer to,
> remember? despite a pass filter ahead of the rcvr, it was no solution
> to on-channel grunge, besides a mix from the CHP LB nearby also. Ah
well!
> W6MTF 
> 
> --- In Repeater-Builder@yahoogroups.com, Nate Duehr <[EMAIL PROTECTED]> wrote:
> >
> > skipp025 wrote:
> > 
> > > Channel 2 from San Francisco is line of sight to our 
> > > system.  A combination of antenna shielding, some 
> > > homebrew filters and a bit of dancing made the system 
> > > usable and a lot of fun before the higher power tx 
> > > was placed in service. 
> > 
> > Skipp,
> > 
> > Try about 8 miles line of sight with Ch 2 @ ~20 KW.  :-(
> > 
> > Having any Ch 2 nearby -- no matter how you slice it -- really sucks.
> > 
> > Hmmm... antenna shielding...
> > 
> > Hey, yeah, we could put the antenna underground! ;-)  Yeah, yeah...
> > that's the ticket!  (GRIN)
> > 
> > Our poor 6m machine is quite deaf due to the noise level.
> > 
> > Nate WY0X
> >
>








 
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Re: [Repeater-Builder] GMRS Interference with Canada

2005-11-27 Thread Paul Yonge

Richard -

Thanks for your prompt response to my query.

Paul Yonge


On Nov 27, 2005, at 9:41 PM, Richard wrote:

> http://ftp.fcc.gov/oet/info/maps/canline/linea.html
>
> And
>
> http://ftp.fcc.gov/oet/info/maps/canline/
>
>
> Richard, N7TGB
>
>
>






 
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RE: [Repeater-Builder] Re: trying to build my first repeater

2005-11-27 Thread Richard

Ok, I'll bite... what does "TAS" stand for?

Richard, N7TGB

-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] Behalf Of nj902
Sent: Sunday, November 27, 2005 7:02 PM
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] Re: trying to build my first repeater

--- In Repeater-Builder@yahoogroups.com, "us_communications1"
<[EMAIL PROTECTED]> wrote:
"...WHAT I AM LOOKING FOR IS DIRECTION OF HOW OTHERS DID THIS. the
radios are 30+ years old so i can't believe that i am the first to
think of using the higer quality tube equipment. ..."

___

Higher quality?  Just because they use tubes?  TAS lifetime subscriber?

But - to answer your question - you could build a tube type repeater -
it's your time to spend as you wish. 

Your best bet would be to search hamfests or go to the Dayton
Hamvention and try to find a copy of the "Radio Amateur's F-M Repeater
Handbook" by Ken W. Sessions, c.1969, and any other period literature
you can find. Once upon a time hams did make repeaters out of the tube
type stuff when it was plentiful on the surplus market in the 1960's.

You might also check with your local two-way radio shops - it's just
possible they may have an old tube type repeater sitting around that
hasn't made it to the landfill yet.  If not that - they might have
some old manuals for tube type repeaters.

Yahoo! Groups Links

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[Repeater-Builder] Re: OT: Looking for Dave Fortenberry, NA6DF

Email me direct if you can't find him... 
I see him each wednesday at the super 
secret electronics geek lunch in 
Sacramento... plus I have his phone 
numbers and an alternate email address. 

skipp 
skipp025 at yahoo.com 

> Kevin Custer <[EMAIL PROTECTED]> wrote:
>
> Dave,
> 
> You still on the list?
> 
> Kevin
>

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Re: [Repeater-Builder] Re: trying to build my first repeater


  The transmitter in its present form - mobile chassis mount ... is 
 20% duty cycle at best. 

us_communications1 wrote:
> 
> the fact that they are mobiles and the design of the power supply
> make little difference an any piece of equipment can be 
> re-engineered to perform a needed task.

  The transmitter will lose its FCC Type Acceptance if you make any 
 unauthorized modifications to it.  


> all that is needed is time and ability. simultaneous transmit and 
> receive will be addressed by seperate antennas.

  How do you propose to power both the transmitter and receiver 
 (simultaneously) with the built-in power supply? 

 
> WHAT I AM LOOKING FOR IS DIRECTION OF HOW OTHERS DID THIS. the 
> radios are 30+ years old so i can't believe that i am the first 
> to think of using the higer quality tube equipment. 

  How I did it 30+ years ago ... was to not use the radios you 
 mentioned. 


> this equipment is very expensive 

  When it was new, now it is now considered as junk. 


> and i was fortunate to have it donated to the non-profit group i 
> am working with.

  My liberal translation is - someone was very happy you took it  
 off their hands ... maybe?

  Neil 



> 
> --- In Repeater-Builder@yahoogroups.com, Neil McKie <[EMAIL PROTECTED]>
> wrote:
> >
> >
> >   Well, it is like this ...
> >
> > us_communications1 wrote:
> > >
> > > I attempting to build my first repeater. I have always preferred
> > > to have the best audio quality for my equipment. My training has
> > > always told me that tube equipment delivers the richest/fullest
> > > audio. So I have been rounding up all the tube equipment I can
> > > find. The equipment is all motorola and the model numbers are
> > > u43ggt-1000 and u43ggv-1000.  how do I proceed on finding the
> > > paperwork on converting these to repeaters?
> >
> >   1) those are mobiles
> >   2) are not designed to power the receiver and the transmitter
> >  simultaneously
> >   3) power supply is not desigend for continuous duty transmit.
> >   4) transmitter would need a serious air flow to keep it cool.
> >
> >   Based on items 1), 2), 3) & 4) above, I would suggest you not
> >  attempt to make a repeater out of those radios.
> >
> >   That should get you started.
> >
> >   Neil - WA6KLA
> >
> >
> > > thank you for your time.
> > >
> >
> 
> 
> Yahoo! Groups Links
> 
> 
> 
>





 
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[Repeater-Builder] Cleartone CH-7500 programming

2005-11-27 Thread David

Hi 

I would like to know how to programme of these radios, can you help me ?

Thanks in advance

David - PU2PJT
GG66TA - SP/BRASIL









 
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[Repeater-Builder] Re: trying to build my first repeater

2005-11-27 Thread nj902

--- In Repeater-Builder@yahoogroups.com, "us_communications1"
<[EMAIL PROTECTED]> wrote:
"...WHAT I AM LOOKING FOR IS DIRECTION OF HOW OTHERS DID THIS. the
radios are 30+ years old so i can't believe that i am the first to
think of using the higer quality tube equipment. ..."

___

Higher quality?  Just because they use tubes?  TAS lifetime subscriber?

But - to answer your question - you could build a tube type repeater -
it's your time to spend as you wish. 

Your best bet would be to search hamfests or go to the Dayton
Hamvention and try to find a copy of the "Radio Amateur's F-M Repeater
Handbook" by Ken W. Sessions, c.1969, and any other period literature
you can find. Once upon a time hams did make repeaters out of the tube
type stuff when it was plentiful on the surplus market in the 1960's.

You might also check with your local two-way radio shops - it's just
possible they may have an old tube type repeater sitting around that
hasn't made it to the landfill yet.  If not that - they might have
some old manuals for tube type repeaters.







 
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Re: [Repeater-Builder] Re: trying to build my first repeater


  What frequency pair are you planning to put this on? 

  By the model numbers you gave, I seriously doubt the FCC will 
 allow those radios on any commercial 2-way radio frequency. 

  If going into the amateur radio band, you will need to adjust 
 the transmitter deviation to conform with your local area band 
 plan ... usually meaning +/- 4.5 kHz Deviation ... clearly not a 
 hi-fi sound. 

  Hope this helps, 

  Neil 

us_communications1 wrote:
> 
> Perhaps I did not make myself clear. The repeater i am building will
> be nearly hi-fidelity audio and such is why i intend to use tube
> equipment. i worked in commercial 2 way radio in the 1960's and
> worked in broadcasting in the 1970's. tube equipment in highly
> reliable if properly maintained, which i can do. (i do admit that
> there are not to many of us left that know how to properly maintain
> electronic equipment.
> 
> i am setting this up to volunteer a system for an group.
> 
> --- In Repeater-Builder@yahoogroups.com, "Bob M." <[EMAIL PROTECTED]>
> wrote:
> >
> > Your training and preference are great for hi-fi audio
> > equipment, but repeaters are optimized for weak
> > signals with voice only, and as such, fidelity is not
> > one of their strong points. 50 - 3500 Hz is about the
> > limit, and the user radios will make it sound even
> > worse.
> >
> > Today's solid-state communications equipment far
> > surpasses the older tube stuff as far as reliability,
> > durability, and ease of getting replacement parts when
> > needed. A lot of today's radios don't even need to be
> > tuned - they're wide-band but still quite selective
> > and more sensitive than the tube radios ever could
> > hope to be.
> >
> > There's a ton of good repeater-building information
> > over on www.repeater-builder.com and you would spend
> > less time reading it than you would trying to make
> > those old U43GG? radios perform the continuous duty
> > cycle required of repeaters.
> >
> > Bob M.
> > ==
> > --- us_communications1 <[EMAIL PROTECTED]>
> > wrote:
> >
> > > I attempting to build my first repeater. I have
> > > always preferred to
> > > have the best audio quality for my equipment. My
> > > training has always
> > > told me that tube equipment delivers the
> > > richest/fullest audio. So I
> > > have been rounding up all the tube equipment I can
> > > find. The equipment
> > > is all motorola and the model numbers are
> > > u43ggt-1000 and u43ggv-1000.
> > > how do I proceed on finding the paperwork on
> > > converting these to
> > > repeaters?
> > >
> > > thank you for your time.
> >
> >
> >
> > __
> > Yahoo! Music Unlimited
> > Access over 1 million songs. Try it free.
> > http://music.yahoo.com/unlimited/
> >
> 
> 
> Yahoo! Groups Links
> 
> 
> 
>





 
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Re: [Repeater-Builder] GMRS Interference with Canada

2005-11-27 Thread Eric Lemmon

Paul,

The definitions of Line A and Line C are found in Part 2 of the FCC Rules:

"Line A. Begins at Aberdeen, Washington running by great circle arc to the 
intersection of
48N, 120W, thence along parallel 48N, to the intersection of 95W, thence by 
great circle arc
through the southernmost point of Duluth, Minn., thence by great circle arc to 
45N, 85W,
thence southward along meridian 85W, to its intersection with parallel 41N, 
thence along
parallel 41N, to its intersection with meridian 82W, thence by great circle arc 
through the
southernmost point of Bangor, Maine, thence by great circle arc through the 
southernmost point
of Searsport, Maine, at which point it terminates."

"Line C. Begins at the intersection of 70N, 144W, thence by great circle arc to 
the
intersection of 60N, 143W, thence by great circle arc so as to include all of 
the Alaskan
Panhandle."

73, Eric Lemmon WB6FLY

cism211 wrote:

> The FCC GMRS license application refers to the prohibition of using four GMRS 
> frequencies
> "North of Line A and east of Line C."  Can someone help me find out where 
> those lines are?
>
> Paul Yonge
> Syracuse NY
>
>
> Yahoo! Groups Links
>
>
>
>

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RE: [Repeater-Builder] GMRS Interference with Canada

2005-11-27 Thread Rick & Charlotte

http://ftp.fcc.gov/oet/info/maps/canline/canline.html

for a map of the lines



On 27 Nov 2005 at 18:41, Richard wrote:

> http://ftp.fcc.gov/oet/info/maps/canline/linea.html
> 
> And
> 
> http://ftp.fcc.gov/oet/info/maps/canline/
> 
> 
> Richard, N7TGB
> 
> 
> -Original Message-
> From: Repeater-Builder@yahoogroups.com
> [mailto:[EMAIL PROTECTED] Behalf Of cism211
> Sent: Sunday, November 27, 2005 5:04 PM
> To: Repeater-Builder@yahoogroups.com
> Subject: [Repeater-Builder] GMRS Interference with Canada
> 
> 
> The FCC GMRS license application refers to the prohibition of using
> four GMRS frequencies "North of Line A and east of Line C."  Can
> someone help me find out where those lines are?
> 
> Paul Yonge
> Syracuse NY
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> Yahoo! Groups Links
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> Yahoo! Groups Links
> 
> 
> 
> 
> 
> 
> 
> -- 
> No virus found in this incoming message.
> Checked by AVG Free Edition.
> Version: 7.1.362 / Virus Database: 267.13.8/183 - Release Date:
> 11/25/2005
> 




Rick,Charlote & Kids
Daisy , Sir Red-A-Lot

Our Border Collie Message Group
[EMAIL PROTECTED]

Website 
www.karolinabc.ca






 
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Re: [Repeater-Builder] Re: trying to build my first repeater

At 02:37 AM 11/28/2005 -, you wrote:

>First, who ever trained you must have been a brother to Maxwell Smart. 
>How do you plan to get "the richest/fullest audio" with +/-5KC 
>deviation. 

<---Not to mention that a proper metaphor would be about the winkest link
in the chain. After all, the absolutely greatest sounding repeater ever
created still falls victim to the radio talking through it

Ken

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RE: [Repeater-Builder] GMRS Interference with Canada

2005-11-27 Thread Richard

http://ftp.fcc.gov/oet/info/maps/canline/linea.html

And

http://ftp.fcc.gov/oet/info/maps/canline/


Richard, N7TGB


-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] Behalf Of cism211
Sent: Sunday, November 27, 2005 5:04 PM
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] GMRS Interference with Canada


The FCC GMRS license application refers to the prohibition of using four
GMRS frequencies
"North of Line A and east of Line C."  Can someone help me find out where
those lines are?

Paul Yonge
Syracuse NY










Yahoo! Groups Links

















 
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[Repeater-Builder] Re: trying to build my first repeater

2005-11-27 Thread Coy Hilton

First, who ever trained you must have been a brother to Maxwell Smart. 
How do you plan to get "the richest/fullest audio" with +/-5KC 
deviation. You should spend more time learning about building quality 
repeaters and less time in the past. 

A well designed class A amplifier will give you quality better than 
you can hear no matter what the active components. As a matter of fact 
I have heard amplifiers built using high speed PWM that you wouldn't 
be able to tell from a "Tube" amp. Even a 12 bit sampel at 40 KS/s 
would likely give most people fits to detect except for the Great 
quality.
GEE!!

--- In Repeater-Builder@yahoogroups.com, "us_communications1" 
<[EMAIL PROTECTED]> wrote:
>
> I attempting to build my first repeater. I have always preferred to 
> have the best audio quality for my equipment. My training has always 
> told me that tube equipment delivers the richest/fullest audio. So I 
> have been rounding up all the tube equipment I can find. The 
equipment 
> is all motorola and the model numbers are u43ggt-1000 and u43ggv-
1000. 
> how do I proceed on finding the paperwork on converting these to 
> repeaters?
> 
> thank you for your time.
>

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Re: [Repeater-Builder] Re: trying to build my first repeater

At 01:10 AM 11/28/2005 -, you wrote:
>WHAT I AM LOOKING FOR IS DIRECTION OF HOW OTHERS DID THIS. the radios 
>are 30+ years old so i can't believe that i am the first to think of 
>using the higer quality tube equipment. this equipment is very 
>expensive and i was fortunate to have it donated to the non-profit 
>group i am working with.

 To visit your group on the web, go to:
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[Repeater-Builder] Re: trying to build my first repeater

2005-11-27 Thread us_communications1

the fact that they are mobiles and the design of the power supply 
make little difference an any piece of equipment can be re-engineered 
to perform a needed task. all that is needed is time and ability.
simultaneous transmit and receive will be addressed by seperate 
antennas. 

WHAT I AM LOOKING FOR IS DIRECTION OF HOW OTHERS DID THIS. the radios 
are 30+ years old so i can't believe that i am the first to think of 
using the higer quality tube equipment. this equipment is very 
expensive and i was fortunate to have it donated to the non-profit 
group i am working with.

--- In Repeater-Builder@yahoogroups.com, Neil McKie <[EMAIL PROTECTED]> 
wrote:
>
> 
>   Well, it is like this ... 
> 
> us_communications1 wrote:
> > 
> > I attempting to build my first repeater. I have always preferred 
> > to have the best audio quality for my equipment. My training has 
> > always told me that tube equipment delivers the richest/fullest 
> > audio. So I have been rounding up all the tube equipment I can 
> > find. The equipment is all motorola and the model numbers are 
> > u43ggt-1000 and u43ggv-1000.  how do I proceed on finding the 
> > paperwork on converting these to repeaters?
> 
>   1) those are mobiles 
>   2) are not designed to power the receiver and the transmitter 
>  simultaneously
>   3) power supply is not desigend for continuous duty transmit. 
>   4) transmitter would need a serious air flow to keep it cool. 
> 
>   Based on items 1), 2), 3) & 4) above, I would suggest you not 
>  attempt to make a repeater out of those radios. 
> 
>   That should get you started. 
> 
>   Neil - WA6KLA 
> 
> 
> > thank you for your time.
> >
>

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[Repeater-Builder] Re: trying to build my first repeater

2005-11-27 Thread us_communications1

Perhaps I did not make myself clear. The repeater i am building will 
be nearly hi-fidelity audio and such is why i intend to use tube 
equipment. i worked in commercial 2 way radio in the 1960's and 
worked in broadcasting in the 1970's. tube equipment in highly 
reliable if properly maintained, which i can do. (i do admit that 
there are not to many of us left that know how to properly maintain 
electronic equipment.

i am setting this up to volunteer a system for an group.

--- In Repeater-Builder@yahoogroups.com, "Bob M." <[EMAIL PROTECTED]> 
wrote:
>
> Your training and preference are great for hi-fi audio
> equipment, but repeaters are optimized for weak
> signals with voice only, and as such, fidelity is not
> one of their strong points. 50 - 3500 Hz is about the
> limit, and the user radios will make it sound even
> worse.
> 
> Today's solid-state communications equipment far
> surpasses the older tube stuff as far as reliability,
> durability, and ease of getting replacement parts when
> needed. A lot of today's radios don't even need to be
> tuned - they're wide-band but still quite selective
> and more sensitive than the tube radios ever could
> hope to be.
> 
> There's a ton of good repeater-building information
> over on www.repeater-builder.com and you would spend
> less time reading it than you would trying to make
> those old U43GG? radios perform the continuous duty
> cycle required of repeaters.
> 
> Bob M.
> ==
> --- us_communications1 <[EMAIL PROTECTED]>
> wrote:
> 
> > I attempting to build my first repeater. I have
> > always preferred to 
> > have the best audio quality for my equipment. My
> > training has always 
> > told me that tube equipment delivers the
> > richest/fullest audio. So I 
> > have been rounding up all the tube equipment I can
> > find. The equipment 
> > is all motorola and the model numbers are
> > u43ggt-1000 and u43ggv-1000. 
> > how do I proceed on finding the paperwork on
> > converting these to 
> > repeaters?
> > 
> > thank you for your time.
> 
> 
>   
> __ 
> Yahoo! Music Unlimited 
> Access over 1 million songs. Try it free. 
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[Repeater-Builder] GMRS Interference with Canada

2005-11-27 Thread cism211

The FCC GMRS license application refers to the prohibition of using four GMRS 
frequencies 
"North of Line A and east of Line C."  Can someone help me find out where those 
lines are?

Paul Yonge
Syracuse NY









 
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[Repeater-Builder] Re: Two Tone Sequential Paging

2005-11-27 Thread Coy Hilton

If anyone still has a BBL paging terminal manual System III, System 
IV or System VI it should be in the section under the Output Module. 
This module was basically the same in all the units.

73
AC0Y

--- In Repeater-Builder@yahoogroups.com, Eric Lemmon <[EMAIL PROTECTED]> 
wrote:
>
> Bernie,
> 
> The information you seek is contained in EIA-374-A, entitled "Land 
Mobile
> Signaling Standard."  This document was published in March 1981, 
but
> withdrawn in November 2002.  I'll check on its status when I get 
to work
> on Monday.
> 
> 73, Eric Lemmon WB6FLY
> 
> dallasreact112 wrote:
> 
> > Hi,
> >
> > Does anybody in group know the frequency tolerance of generated 
audio
> > tones used in two tone sequential paging?   I know one can get 
away with
> > +/- 1Hz on PL encoding and it will generally still work.
> >
> > 73
> >
> > Bernie Parker
> > K5BP
>








 
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Re: [Repeater-Builder] How Accurate is Radio Mobile?

2005-11-27 Thread kd6hcn

Nate, I did a h 2 h comp with the commercial s/w I
have purchased for well over $10K a few years ago. The
results were far more accurate with RM than the
commercial stuff a few years old, and better yet it
was "FREE" from a fellow ham radio operator.

Hence my original posting regarding the use of RM to
the community.

For the average Ham Repeater Owner and the local
coordinator, RM is the perfect tool for those types of
plots of coverage.

For the most part most coordinators rely on the
repeater owner to tell them the coverage "guess" of
any freq. Not All coordinators have high dollar
commercial sw to coordinate repeaters.

Again, Radio Mobile is the perfect tool for the Ham
radio community, it's free and most of all pretty
accurate as a best guess!

Regards, Barry

--- Nate Duehr <[EMAIL PROTECTED]> wrote:

> Jeff DePolo WN3A wrote:
> 
> [snipped Jeff's long detailed reply...]
> 
> Thanks Jeff, that was very informative for someone
> who's never used the 
> commercial software.
> 
> I still wish someone would do "head to head"
> comparisons against all the 
> packages sometime, but I doubt anyone will.
> 
> Head to head software comparisons are always an
> entertaining read.
> 
> Nate WY0X
> 
> 
> 
> 
>  
> Yahoo! Groups Links
> 
> 
> [EMAIL PROTECTED]
> 
>  
> 
> 
> 

__ 
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[Repeater-Builder] OT: Looking for Dave Fortenberry, NA6DF

2005-11-27 Thread Kevin Custer

Dave,

You still on the list?

Kevin




 
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Re: [Repeater-Builder] Tait T856 audio question

2005-11-27 Thread wa6rqd

Bernd Maestling wrote:
> Hello,
> 
> since my T800 is working now I have a question about the
> "audio-mode" jumpers in the TX-module.
> 
> What is the best setup for an HAM-repeater. I tried
> the different modes and I thin I got the best results
> with flat response. Compressor-mode seems to bit a bit 
> noisy. Whats about pre-emphaised mode ? 
> 
> Since I only thested it on my table with handheld
> radios maybe someone can give me his setup.
> 
> Thanks
> Bernd
> DM5BM
>

Bernd,

It depends upon whether you are using the Tait as a stand alone repeater 
by bridging the 600 ohm RX out to TX in or some form of external 
controller. If you are using the Tait by itself, I would set it up to 
use flat in both the TX and RX. If you are using an external controller, 
you will need to match the Tait to what the controller wants to see.

The one mode I would avoid is using the compressor.

Ed Yoho
WA6RQD

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Re: [Repeater-Builder] trying to build my first repeater

2005-11-27 Thread Bob M.

Your training and preference are great for hi-fi audio
equipment, but repeaters are optimized for weak
signals with voice only, and as such, fidelity is not
one of their strong points. 50 - 3500 Hz is about the
limit, and the user radios will make it sound even
worse.

Today's solid-state communications equipment far
surpasses the older tube stuff as far as reliability,
durability, and ease of getting replacement parts when
needed. A lot of today's radios don't even need to be
tuned - they're wide-band but still quite selective
and more sensitive than the tube radios ever could
hope to be.

There's a ton of good repeater-building information
over on www.repeater-builder.com and you would spend
less time reading it than you would trying to make
those old U43GG? radios perform the continuous duty
cycle required of repeaters.

Bob M.
==
--- us_communications1 <[EMAIL PROTECTED]>
wrote:

> I attempting to build my first repeater. I have
> always preferred to 
> have the best audio quality for my equipment. My
> training has always 
> told me that tube equipment delivers the
> richest/fullest audio. So I 
> have been rounding up all the tube equipment I can
> find. The equipment 
> is all motorola and the model numbers are
> u43ggt-1000 and u43ggv-1000. 
> how do I proceed on finding the paperwork on
> converting these to 
> repeaters?
> 
> thank you for your time.

__ 
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Re: [Repeater-Builder] Off Topic, but curiosity.............

2005-11-27 Thread Kevin Custer

The capacitors are expensive because they were removed from a Vintage 
Fender Guitar Amplifier.  People seeking to restore amplifiers of this 
vintage will pay big bucks for them.

Last year I sold 2 vintage Fender amplifiers for my brother, a 1962 
Vibrolux, and a 1964 Vibroverb like Stevie Ray Vaughan used.  The two 
amplifiers were purchased many years ago used for $375, not each but for 
both.  I sold them on eBay, non working for $3400, for both.



Kevin Custer




 
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Re: [Repeater-Builder] trying to build my first repeater

  Well, it is like this ... 

us_communications1 wrote:
> 
> I attempting to build my first repeater. I have always preferred 
> to have the best audio quality for my equipment. My training has 
> always told me that tube equipment delivers the richest/fullest 
> audio. So I have been rounding up all the tube equipment I can 
> find. The equipment is all motorola and the model numbers are 
> u43ggt-1000 and u43ggv-1000.  how do I proceed on finding the 
> paperwork on converting these to repeaters?

  1) those are mobiles 
  2) are not designed to power the receiver and the transmitter 
 simultaneously
  3) power supply is not desigend for continuous duty transmit. 
  4) transmitter would need a serious air flow to keep it cool. 

  Based on items 1), 2), 3) & 4) above, I would suggest you not 
 attempt to make a repeater out of those radios. 

  That should get you started. 

  Neil - WA6KLA 

> thank you for your time.
>

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Re: [Repeater-Builder] Off Topic, but curiosity.............


  Good!!  

  See you when you get here ... 

  Neil 

Ken Arck wrote:
> 
> At 03:29 PM 11/27/2005 -0800, you wrote:
> >
> >  Also, those caps are probably not made anymore ...
> >
> >  Since I have some here, would you like to buy them Ken?
> 
> <---Heh, I happen to have a few of 'em in the junkbox myself. 
> I'll see your caps and raise you mine
> 
> Ken
> ---
>





 
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[Repeater-Builder] trying to build my first repeater

2005-11-27 Thread us_communications1

I attempting to build my first repeater. I have always preferred to 
have the best audio quality for my equipment. My training has always 
told me that tube equipment delivers the richest/fullest audio. So I 
have been rounding up all the tube equipment I can find. The equipment 
is all motorola and the model numbers are u43ggt-1000 and u43ggv-1000. 
how do I proceed on finding the paperwork on converting these to 
repeaters?

thank you for your time.  










 
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Re: [Repeater-Builder] Off Topic, but curiosity.............

2005-11-27 Thread Joe

 I sold a 5 lb spool of "Western Electric" on eBay awhile ago for over 100 
dollars, PT Barnum was definitely right.

Joe
 Ken Arck <[EMAIL PROTECTED]> wrote: 
> At 03:19 PM 11/27/2005 +0100, you wrote: 
> >Can someone share why this ítems are so expensive??? 
> 
> <---Because PT Barnum was right? :-)
> 
> Ken
> --
> President and CTO - Arcom Communications
> Makers of state-of-the-art repeater controllers and accessories.
> http://www.ah6le.net/arcom/index.html
> We offer complete Kenwood TKR repeater packages!
> We are now an authorized Telewave Dealer!
> AH6LE/R - IRLP Node 3000
> http://www.irlp.net
> 
> 
> 
> 
>  
> Yahoo! Groups Links
> 
> 
> 
>  
> 
> 





 
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RE: [Repeater-Builder] Off Topic, but curiosity.............

2005-11-27 Thread Wayne Cornick











    Juan,

These look to be the OEM caps used in
several models of Fender Music Amps. These are like gold to folks that restore
these amps. Very collectable!!

 

Wayne

 

 

-Original Message-
From:
Repeater-Builder@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of XE2SI
Sent: Sunday, November 27, 2005
8:20 AM
To:
Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] Off
Topic, but curiosity.

 

 

Can someone share why this ítems are so
expensive???

 

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=5831794303&rd=1&sspagename=STRK%3AMEWA%3AIT&rd=1

 

Juan,XE2SI

















  




  
  
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Re: [Repeater-Builder] Off Topic, but curiosity.............

At 03:29 PM 11/27/2005 -0800, you wrote:
>
>  Also, those caps are probably not made anymore ... 
>
>  Since I have some here, would you like to buy them Ken? 

<---Heh, I happen to have a few of 'em in the junkbox myself. I'll see your
caps and raise you mine

Ken
--
President and CTO - Arcom Communications
Makers of state-of-the-art repeater controllers and accessories.
http://www.ah6le.net/arcom/index.html
We offer complete Kenwood TKR repeater packages!
We are now an authorized Telewave Dealer!
AH6LE/R - IRLP Node 3000
http://www.irlp.net




 
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Re: [Repeater-Builder] Off Topic, but curiosity.............

  Also, those caps are probably not made anymore ... 

  Since I have some here, would you like to buy them Ken? 

  Neil 

Ken Arck wrote:
> 
> At 03:19 PM 11/27/2005 +0100, you wrote:
> >Can someone share why this ítems are so expensive???
> 
> <---Because PT Barnum was right? :-)
> 
> Ken
> -
>

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Re: [Repeater-Builder] Off Topic, but curiosity.............

2005-11-27 Thread Brett

What?



- Original Message - 
From: "Ken Arck" <[EMAIL PROTECTED]>
To: 
Sent: Monday, November 28, 2005 7:20 AM
Subject: Re: [Repeater-Builder] Off Topic, but curiosity.


At 03:19 PM 11/27/2005 +0100, you wrote:
>Can someone share why this ítems are so expensive???

<---Because PT Barnum was right? :-)

Ken
--
President and CTO - Arcom Communications
Makers of state-of-the-art repeater controllers and accessories.
http://www.ah6le.net/arcom/index.html
We offer complete Kenwood TKR repeater packages!
We are now an authorized Telewave Dealer!
AH6LE/R - IRLP Node 3000
http://www.irlp.net





Yahoo! Groups Links










 
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Re: [Repeater-Builder] Off Topic, but curiosity.............

At 03:19 PM 11/27/2005 +0100, you wrote: 
>Can someone share why this ítems are so expensive??? 

<---Because PT Barnum was right? :-)

Ken
--
President and CTO - Arcom Communications
Makers of state-of-the-art repeater controllers and accessories.
http://www.ah6le.net/arcom/index.html
We offer complete Kenwood TKR repeater packages!
We are now an authorized Telewave Dealer!
AH6LE/R - IRLP Node 3000
http://www.irlp.net




 
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[Repeater-Builder] Off Topic, but curiosity.............

2005-11-27 Thread XE2SI











 

Can someone share why this ítems are so expensive???

 

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=5831794303&rd=1&sspagename=STRK%3AMEWA%3AIT&rd=1

 

Juan,XE2SI

















  




  
  
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[Repeater-Builder] Re: 6 meter repeater duplexer (not used)

2005-11-27 Thread rfburnz

skipp, I could never get my 6M rcvr quiet on the site you refer to,
remember? despite a pass filter ahead of the rcvr, it was no solution
to on-channel grunge, besides a mix from the CHP LB nearby also. Ah well!
W6MTF 

--- In Repeater-Builder@yahoogroups.com, Nate Duehr <[EMAIL PROTECTED]> wrote:
>
> skipp025 wrote:
> 
> > Channel 2 from San Francisco is line of sight to our 
> > system.  A combination of antenna shielding, some 
> > homebrew filters and a bit of dancing made the system 
> > usable and a lot of fun before the higher power tx 
> > was placed in service. 
> 
> Skipp,
> 
> Try about 8 miles line of sight with Ch 2 @ ~20 KW.  :-(
> 
> Having any Ch 2 nearby -- no matter how you slice it -- really sucks.
> 
> Hmmm... antenna shielding...
> 
> Hey, yeah, we could put the antenna underground! ;-)  Yeah, yeah...
> that's the ticket!  (GRIN)
> 
> Our poor 6m machine is quite deaf due to the noise level.
> 
> Nate WY0X
>








 
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[Repeater-Builder] Hamtronics REP-200 Info

2005-11-27 Thread David Little

I need some help from someone who has used a Hamtronics REP-200 
repeater on 6 meters.

I am trying to get a REP-200 up with a Wacom duplexer built and 
tuned for the frequency pair.  The Hamtronics was ordered pre-built 
and tuned for the oeprating pair.

It has not been used for around 4 years, and I am trying to put it 
into service.  I am currently using it on a Cushcraft AR-6 (I know 
this isn'e a great choice) at around 45 feet above a metal roof.

I cannot get a match from PA to duplexer.  The only way I have been 
able to get it to work reliably is to use a Tee connector and dummy-
load on the duplexer antenna output and detune the PA.  Everything I 
know tells me this is not the way to go.  I am just trying to 
isloate the problem.

I have not gone the route of adding an inch at a time to the cable 
going to the duplexer from the PA.  I have tried at least a dozen 
jumpers to try to find one close enough to make the PA stable.

At present, when the repeater is connected as recommended, the PA is 
desensing the receiver.  You can completely open the squelch, and no 
static is heard, but the repeater exciter keys and the repeater will 
pass a strong signal.  Obviously, the receive is greatly attenuated.

When I tune the PA down to half power, the effect is lessened.  When 
I added the dummy load in parallel to the antenna, the problem goes 
away, but only when the power is greatly reduced.

I know that someone here has probably run into a similar situation.  
I am slowly learning about the art of setting up a repeater, but 
need the experience of others to help me with this one.

TIA,

David Little
KD4NUE








 
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Re: [Repeater-Builder] How Accurate is Radio Mobile?

2005-11-27 Thread Nate Duehr

Jeff DePolo WN3A wrote:

[snipped Jeff's long detailed reply...]

Thanks Jeff, that was very informative for someone who's never used the 
commercial software.

I still wish someone would do "head to head" comparisons against all the 
packages sometime, but I doubt anyone will.

Head to head software comparisons are always an entertaining read.

Nate WY0X




 
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RE: [Repeater-Builder] Re: 6 meter repeater duplexer (not used)

2005-11-27 Thread Paul Finch

Neil,

Maybe, I thought it was on Cedar Hill with the rest of the TV transmitters.
Guess I will have to research that, I am a little closer to that transmitter
than the Cedar Hill sites, hope it does not affect me too much.

Paul


-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] Behalf Of Neil McKie
Sent: Sunday, November 27, 2005 8:59 AM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Re: 6 meter repeater duplexer (not used)



  Are you referring to KDTN - Denton Texas?

  ERP is only 100 kW ... at 412m HAAT

  Neil - WA6KLA


Paul Finch wrote:
>
> Hello,
>
> I am about 45 miles away from a channel 2 high powered TV station,
> should I be worried about he repeater I am building?
>
> Paul
>
> -Original Message-
> From: Repeater-Builder@yahoogroups.com
> [mailto:[EMAIL PROTECTED] Behalf Of Nate Duehr
> Sent: Saturday, November 26, 2005 10:06 PM
> To: Repeater-Builder@yahoogroups.com
> Subject: Re: [Repeater-Builder] Re: 6 meter repeater duplexer (not used)
>
> skipp025 wrote:
>
> > Channel 2 from San Francisco is line of sight to our
> > system.  A combination of antenna shielding, some
> > homebrew filters and a bit of dancing made the system
> > usable and a lot of fun before the higher power tx
> > was placed in service.
>
> Skipp,
>
> Try about 8 miles line of sight with Ch 2 @ ~20 KW.  :-(
>
> Having any Ch 2 nearby -- no matter how you slice it -- really sucks.
>
> Hmmm... antenna shielding...
>
> Hey, yeah, we could put the antenna underground! ;-)  Yeah, yeah...
> that's the ticket!  (GRIN)
>
> Our poor 6m machine is quite deaf due to the noise level.
>
> Nate WY0X
>
> Yahoo! Groups Links
>
>
> Yahoo! Groups Links
>
>
>
>






Yahoo! Groups Links













 
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Re: [Repeater-Builder] How Accurate is Radio Mobile?

2005-11-27 Thread no6b

The new version does have some nice features, so I keep both around for 
now.  You should download the new version & try running a comparative set 
of plots.  Initially they will not agree at all due to the change in the 
way "urban" or "city" loss is implemented (simple checkbox in old version, 
percentage entry in new version).

Bob NO6B

At 11/27/2005 09:26, you wrote:
>Hm I'm using the older versionI N T E R E S T I N G.any other 
>comments on the newer versionmaybe we should take this the RadioMobile 
>Group..
>
>Lloyd KD4HTW
>
>[EMAIL PROTECTED] wrote:
>At 11/27/2005 08:03, you wrote:
> >I've found that Radio Mobile is very accurate. maybe not 100% but very,
> >very close in my usage. (mobile VHF 50w to repeaters/bases in eastern
> >SC) I do model my mobiles with unity gain antennas to give me "cushion"
> >with actual usage(gain antennas). Even when modeling line of sight path
> >propagation, its easier than using paper topo maps..
> >
> >Lloyd
>
>Just to show I'm "fair & unbiased", I have had some subtle problems with RM
>recently in that I can see a definite difference in how diffraction is
>handled between versions 4.2.8 & 6.x. I bring this up because it's the
>older version that appears to be more "correct". I've raised this issue on
>the Radio Mobile Yahoogroups but no one seems to care.
>
>Bob NO6B
>
>
>
>
>
>
>
>
>
>
>
>
>
>Yahoo! Groups Links
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>--
>YAHOO! GROUPS LINKS
>*  Visit your group 
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RE: [Repeater-Builder] Re: 6 meter repeater duplexer (not used)

2005-11-27 Thread Jeff DePolo WN3A

Yeah, when Mobilecomm (now Arch) decomissioned their 30 and 40 MHz paging
systems here on the east coast, lowband Decibel and Celwave pass cavities
were a dime a dozen (or often free).  I scooped up as many as I could store,
probably 50 or so.  All but a few are in service on 6m repeaters, most of
which were converted to pass/reject and used to make duplexers.  Every now
and then I still see them pop up at hamfests, but not like it was 6 or 7
years ago.

There was a guy that used to be on this list (K4YC?) who drove up from
George and hauled away all the lower-frequency cavities I had since I was
out of storage space, probably 20 or more of them.  Now that my supply is
starting to run out I'm wishing I hadn't given them all away; they could
have been cut down to 6m.  Maybe he's still lurking?

--- Jeff

> -Original Message-
> From: Repeater-Builder@yahoogroups.com 
> [mailto:[EMAIL PROTECTED] On Behalf Of skipp025
> Sent: Sunday, November 27, 2005 12:58 PM
> To: Repeater-Builder@yahoogroups.com
> Subject: [Repeater-Builder] Re: 6 meter repeater duplexer (not used)
> 
> 
> Before Ebay came on line... people were giving away low 
> band cavities at the flea markets. I hauled about 8 home 
> while my friends laughed at the trailer full of large 
> tubes. 
> 
> Although they still laugh about it... I have the cavities 
> in service.  Well...  maybe they were also laughing at 
> the TRS-80 Model One Computer I had on the back seat. :-) 
> 
> cheers, 
> skipp 
> 
> > "Mike Perryman K5JMP" <[EMAIL PROTECTED]> wrote:
> >
> > I sure wish I could locate cans for that price..
> > If you hear of any let me know.. 
> > 
> > mike
> > 
> >   True ... 
> > 
> >   Before 6 meter repeaters became really popular in Oregon - last 
> >  several years - DB Products 40-50 MHz cans were going for $25 or 
> >  $50 at the local swapmeets. 
> > 
> >   Neil 
> > 
> > Paul Finch wrote:
> > > 
> > > Neil,
> > > 
> > > In Texas it's 1 MHz.  At least it's better than 500 KHz.
> > > 
> > > Paul
> > >
> 
> 
> 
> 
> 
> 
> 
>  
> Yahoo! Groups Links
> 
> 
> 
>  
> 
> 
> 

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[Repeater-Builder] Re: 6 meter repeater duplexer (not used)

Before Ebay came on line... people were giving away low 
band cavities at the flea markets. I hauled about 8 home 
while my friends laughed at the trailer full of large 
tubes. 

Although they still laugh about it... I have the cavities 
in service.  Well...  maybe they were also laughing at 
the TRS-80 Model One Computer I had on the back seat. :-) 

cheers, 
skipp 

> "Mike Perryman K5JMP" <[EMAIL PROTECTED]> wrote:
>
> I sure wish I could locate cans for that price..
> If you hear of any let me know.. 
> 
> mike
> 
>   True ... 
> 
>   Before 6 meter repeaters became really popular in Oregon - last 
>  several years - DB Products 40-50 MHz cans were going for $25 or 
>  $50 at the local swapmeets. 
> 
>   Neil 
> 
> Paul Finch wrote:
> > 
> > Neil,
> > 
> > In Texas it's 1 MHz.  At least it's better than 500 KHz.
> > 
> > Paul
> >

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[Repeater-Builder] building a six meter repeater...

If you build it... they will come. 
S. 

> "Paul Finch" <[EMAIL PROTECTED]> wrote:
> Hello,
> I am about 45 miles away from a channel 2 high 
> powered TV station, should I be worried about 
> the repeater I am building?
> Paul
> 







 
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[Repeater-Builder] Re: KPT-50 for Kenwood TKR-720

I keep both in stock... email me direct (off 
the list for pricing and information). Since 
you're reportedly in India it might be practical 
to refer you to someone in your area. 

cheers,
skipp 
www.radiowrench.com 
skipp025 at yahoo.com 

> "hamradio_india" <[EMAIL PROTECTED]> wrote:
>
> Hi all,
> 
> We are looking for KPT-50 (Filed programming Unit) and KPG-21D
> (Programming Disk for use with KPT-50) for our TKR-720 desktop repeater.
> 
>  This repeater covers the costal and flood prone areas and is
> dedicated for Amateurs Emergency service.
> 
>  If anyone have please let us know and the price you expect with
details.
> 
> our website:
> 
> http://geocities.com/hamradio_india
> 
> Thanks for viewing
> 
> 73 de VU2SWM (Dr.Mahadevan)
>








 
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RE: [Repeater-Builder] Two Tone Sequential Paging

2005-11-27 Thread Jeff DePolo WN3A


I believe the spec is defined in EIA-374 but I don't have a copy of that
document (EIA/TIA documents aren't distributed freely).  Maybe somebody else
has a copy.

--- Jeff

> -Original Message-
> From: Repeater-Builder@yahoogroups.com 
> [mailto:[EMAIL PROTECTED] On Behalf Of dallasreact112
> Sent: Sunday, November 27, 2005 3:11 AM
> To: Repeater-Builder@yahoogroups.com
> Subject: [Repeater-Builder] Two Tone Sequential Paging
> 
> 
> Hi,
> 
> Does anybody in group know the frequncy tolerance of generated audio
> tones used in two tone sequential paging? I know one can get away with
> +/- 1hz on PL encoding and it will generally still work.
> 
> 73
> 
> Bernie Parker
> K5BP
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
>  
> Yahoo! Groups Links
> 
> 
> 
>  
> 
> 





 
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Re: [Repeater-Builder] How Accurate is Radio Mobile?

2005-11-27 Thread Lloyd M. Mitchell




Hm I'm using the older versionI N T E R E S T I N G.any other comments on the newer versionmaybe we should take this the RadioMobile Group..     Lloyd KD4HTW[EMAIL PROTECTED] wrote:  At 11/27/2005 08:03, you wrote:>I've found that Radio Mobile is very accurate. maybe not 100% but very, >very close in my usage. (mobile VHF 50w to repeaters/bases in eastern >SC) I do model my mobiles with unity gain antennas to give me "cushion" >with actual usage(gain antennas). Even when modeling line of sight path >propagation, its easier than using paper topo maps..>>LloydJust to show I'm "fair & unbiased", I have had some subtle problems with RM recently in that I can see a definite difference in how diffraction is handled between versions 4.2.8
 & 6.x. I bring this up because it's the older version that appears to be more "correct". I've raised this issue on the Radio Mobile Yahoogroups but no one seems to care.Bob NO6BYahoo! Groups Links<*> To visit your group on the web, go to:http://groups.yahoo.com/group/Repeater-Builder/<*> To unsubscribe from this group, send an email to:[EMAIL PROTECTED]<*> Your use of Yahoo! Groups is subject to:http://docs.yahoo.com/info/terms/  













  




  
  
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Re: [Repeater-Builder] Two Tone Sequential Paging

2005-11-27 Thread Eric Lemmon

Bernie,

The information you seek is contained in EIA-374-A, entitled "Land Mobile
Signaling Standard."  This document was published in March 1981, but
withdrawn in November 2002.  I'll check on its status when I get to work
on Monday.

73, Eric Lemmon WB6FLY

dallasreact112 wrote:

> Hi,
>
> Does anybody in group know the frequency tolerance of generated audio
> tones used in two tone sequential paging?   I know one can get away with
> +/- 1Hz on PL encoding and it will generally still work.
>
> 73
>
> Bernie Parker
> K5BP

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Re: [Repeater-Builder] Two Tone Sequential Paging

2005-11-27 Thread Joe Montierth

Pretty loose, I'd say about +- 1% would still work.
Thats about all the tolerance they could get with mass
produced reeds. Even more might work, but they
definately don't have to be dead on.

Joe

--- dallasreact112 <[EMAIL PROTECTED]> wrote:

> Hi,
> 
> Does anybody in group know the frequncy tolerance of
> generated audio
> tones used in two tone sequential paging? I know one
> can get away with
> +/- 1hz on PL encoding and it will generally still
> work.
> 
> 73
> 
> Bernie Parker
> K5BP
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
>  
> Yahoo! Groups Links
> 
> 
> [EMAIL PROTECTED]
> 
>  
> 
> 
> 

__ 
Yahoo! Mail - PC Magazine Editors' Choice 2005 
http://mail.yahoo.com

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Re: [Repeater-Builder] Two Tone Sequential Paging

2005-11-27 Thread Chuck Kelsey

Zetron specs their encoders at +/- 0.1% so a decoder would need to be 
wider than that. I'm sure some are more tolerant than others.

Chuck
WB2EDV




dallasreact112 wrote:
> Hi,
> 
> Does anybody in group know the frequncy tolerance of generated audio
> tones used in two tone sequential paging? I know one can get away with
> +/- 1hz on PL encoding and it will generally still work.
> 
> 73
> 
> Bernie Parker
> K5BP
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
>  
> Yahoo! Groups Links
> 
> 
> 
>  
> 
> 
> 





 
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RE: [Repeater-Builder] How Accurate is Radio Mobile?

2005-11-27 Thread Jeff DePolo WN3A

> I keep hearing about this better data from commercial propagation
> software but can't find any reference to it on any of their marketing
> material nor references to how they actually do it -- even 
> assuming it's
> proprietary, I don't even see hints about it anywhere.

A lot of the original 30" and 3" data obtained from the Gummint had problems
with it.  The biggest problems seem to have been at the edge of
latitude/longitude boundaries (e.g. right at 40.000 degrees N).  I've run
models for clients and found what looks like a weird ridge line blocking the
signal, where I knew there wasn't one, only to determine that there were
erroneous terrain elevations in the data set along that line.  RadioSoft and
others have hand-edited a lot of the 3" data and also supplemented it with
10-meter and 30-meter data to improve the accuracy.  Keep in mind that the
NGDC 30 and 3 second data was derived by digitizing topo maps (quite often
1:250,000 scale maps which have wide contour inverals), so, at best, it's
only as accurate as those maps were.  There is also a newer 30-meter and
3-second data set called NED (National Elevation Dataset) that is quite a
bit more accurate than the old NGDC 30-second database.

There is also a new data set from SRTM (the Shuttle Radar Topography
Mission) where a majority of the earth's surface was measured using
microwave interferometry.  The accuracy isn't necessarily superior to
existing data (I think 50 feet was the predicted elevation accuracy), but
the nice (or bad) thing about the data is that it includes obstructions
(buildings, water tanks, etc.).  Maybe Bob NO6B knows more about it - I
think JPL was involved in it?

> I always wonder if it's just Bravo Sierra from the people 
> trying to sell
> the software.

No, really, it's not.

> Never met anyone who said their job was driving around gathering
> geologic data better than USGS who worked for a software company.

The editing of the data is mainly limited to fixing problems in the digital
domain, not going out and doing survey work.
 
> Geographical data for Geocoding and mapping at one company I worked at
> was all from the same commercial providers -- all our competitors used
> the same data, too.  We could confirm it by looking at their output
> after one of our users reported a data error... yep, they 
> have the same
> error we do.  We'd fix ours, and not too far into the future 
> we'd notice
> all the competitors had fixed theirs also, even without that 
> "fix" being
> sent to the upstream data provider.  (In other words, we all watched
> each other's changes and then double-checked them for 
> ourselves, but we
> didn't have any better raw data to start out with than the next guy.)

Non sequitur follows, read only if you're bored.

Back in my mispent youth I wrote software for a company (in Denver by the
way, Nate) that catered to the oil exploration industry.  One of the aspects
of the business was the hand-digitizing of USGS 7.5' topo maps.  The reason
these maps had to be hand digitized (at least at that time, back in the mid
80's) was that in many western states oil and gas well locations were
surveyed with respect to a gridding system whereby territories were broken
town into 1 mile x 1 mile "sections".  Sections were grouped into 6x6
clusters called townships.  Each township was numbered by township (Y) and
range (X).  This township/range/section system was created shortly after the
Lousiana purchase so the government could sell tracts of land to the public
in quasi-uniform pieces.  The next time you fly over a western state take
notice how so much of the landscape is "square" - roads run perfectly
north/south/east/west, tracts of land are squares, etc., for the most part
at 1 mile intervals along section boundaries.  It's because of this system.

Anyway, in a perfect world, each section would have been perfectly square,
thereby making the lat/lon of its corner points determinable by automated
means, but in reality, the surveys were done by guys that probably spent
most of their paycheck on whiskey.  They were out there wandering around
pounding iron pegs in the ground and making little rock piles in uninhabited
territory - what else was there to do?  And quite often, when they ran into
some kind of terrain irregularity, river, stream, pond, etc., they took
whatever shortcut they wanted, such as just using the stream as one edge of
the section rather than crossing over the stream to tags points to form a
square.  The boundaries of all of these township/range/sections wasn't in
any USGS, NGDC, or state BLM database with any degree of accuracy, yet all
of the wells were surveyed based on their distance from the side or corner
of the section in which they were located.  As analysis of all of the data
from all of these wells became done more and more by computer than by
geologists, geophysicists, and geochemists, knowing the exact location of
the well (in terms of lat/lon) became extremely important, hence the n

Re: [Repeater-Builder] How Accurate is Radio Mobile?

2005-11-27 Thread no6b

At 11/27/2005 08:03, you wrote:
>I've found that Radio Mobile is very accurate. maybe not 100% but very, 
>very close in my usage. (mobile VHF 50w to repeaters/bases in eastern 
>SC)  I do model my mobiles with unity gain antennas to give me "cushion" 
>with actual usage(gain antennas).  Even when modeling line of sight path 
>propagation, its easier than using paper topo maps..
>
>Lloyd

Just to show I'm "fair & unbiased", I have had some subtle problems with RM 
recently in that I can see a definite difference in how diffraction is 
handled between versions 4.2.8 & 6.x.  I bring this up because it's the 
older version that appears to be more "correct".  I've raised this issue on 
the Radio Mobile Yahoogroups but no one seems to care.

Bob NO6B

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[Repeater-Builder] How Accurate is Radio Mobile?

2005-11-27 Thread Lloyd M. Mitchell

I've found that Radio Mobile is very accurate. maybe not 100% but very, very close in my usage. (mobile VHF 50w to repeaters/bases in eastern SC) I do model my mobiles with unity gain antennas to give me "cushion" with actual usage(gain antennas). Even when modeling line of sight path propagation, its easier than using paper topo maps.. LloydDoug <[EMAIL PROTECTED]> wrote: I would agree with every word...a bit of time and it does the job well.Doug- Original Message - From: "Rob" <[EMAIL PROTECTED]>To: Sent: Sunday, November 27, 2005 1:54 PMSubject: Re: [Repeater-Builder] How Accurate is Radio Mobile?My personal
experience with Radio Mobile has been very good. I have done about 30 different amateur and commercial transmitter/repeater plots with this free software and it has predicted coverage exceedingly well. I have taken most of my RM plots and field verified them myself.The other side of the coin is that you do need to put some effort into learning and tweaking the program. The free price comes at a cost of some time on your part. With that said, there are some very good resources online - both at the Radio Mobile website and the YahooGroup that can assist you.If you take the time to learn the program properly, you won't be disappointed with its results for most applications.- RobYahoo! Groups Links<*> To visit your group on the web, go to:http://groups.yahoo.com/group/Repeater-Builder/<*>
To unsubscribe from this group, send an email to:[EMAIL PROTECTED]<*> Your use of Yahoo! Groups is subject to:http://docs.yahoo.com/info/terms/

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Re: [Repeater-Builder] How Accurate is Radio Mobile?

2005-11-27 Thread Doug






I would agree with every word...a bit of time and it does the job well.

Doug

- Original Message - 
From: "Rob" <[EMAIL PROTECTED]>
To: 
Sent: Sunday, November 27, 2005 1:54 PM
Subject: Re: [Repeater-Builder] How Accurate is Radio Mobile?


My personal experience with Radio Mobile has been very good. I have done 
about 30 different amateur and commercial transmitter/repeater plots 
with this free software and it has predicted coverage exceedingly well. 
I have taken most of my RM plots and field verified them myself.

The other side of the coin is that you do need to put some effort into 
learning and tweaking the program. The free price comes at a cost of 
some time on your part. With that said, there are some very good 
resources online - both at the Radio Mobile website and the YahooGroup 
that can assist you.

If you take the time to learn the program properly, you won't be 
disappointed with its results for most applications.


- Rob




 
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RE: [Repeater-Builder] Re: 6 meter repeater duplexer (not used)

2005-11-27 Thread Mike Perryman K5JMP

I sure wish I could locate cans for that price..
If you hear of any let me know.. 

mike

-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] Behalf Of Neil McKie
Sent: Saturday, November 26, 2005 3:50 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Re: 6 meter repeater duplexer (not used)



  True ... 

  Before 6 meter repeaters became really popular in Oregon - last 
 several years - DB Products 40-50 MHz cans were going for $25 or 
 $50 at the local swapmeets. 

  Neil 

Paul Finch wrote:
> 
> Neil,
> 
> In Texas it's 1 MHz.  At least it's better than 500 KHz.
> 
> Paul
> 
> -Original Message-
> From: Repeater-Builder@yahoogroups.com
> [mailto:[EMAIL PROTECTED] Behalf Of Neil McKie
> Sent: Saturday, November 26, 2005 2:20 PM
> To: Repeater-Builder@yahoogroups.com
> Subject: Re: [Repeater-Builder] Re: 6 meter repeater duplexer (not 
> used)
> 
>   Another nice item about living the Pacific Northwest ... the
>  six meter band plan in western Washington and all of Oregon has
>  a 1.7 MHz in/output split.
> 
>   Neil - WA6KLA
> 
> [EMAIL PROTECTED] wrote:
> >
> > At 11/26/2005 10:19, you wrote:
> > >One of my first (Hamtronics) 6 meter repeaters
> > >worked fine... same site no duplexer.  I had
> > >65 ft antenna separation, a ground plane (converted
> > >CB 5/8 wave) for rx at the top and a low gain
> > >1/2 dipole (converted scanner antenna) at the
> > >bottom.
> > >
> > >The elevated site worked an easy 30 mile radius with
> > >a whopping 2.3 watts output.  Talk about a smoker...
> > >
> > >Who says you need a duplexer..?
> > >
> > >Just drop the power down...
> > >
> > >cheers,
> > >skipp
>





 
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Re: [Repeater-Builder] Re: 6 meter repeater duplexer (not used)


  Are you referring to KDTN - Denton Texas?  

  ERP is only 100 kW ... at 412m HAAT 

  Neil - WA6KLA 


Paul Finch wrote:
> 
> Hello,
> 
> I am about 45 miles away from a channel 2 high powered TV station, 
> should I be worried about he repeater I am building?
> 
> Paul
> 
> -Original Message-
> From: Repeater-Builder@yahoogroups.com
> [mailto:[EMAIL PROTECTED] Behalf Of Nate Duehr
> Sent: Saturday, November 26, 2005 10:06 PM
> To: Repeater-Builder@yahoogroups.com
> Subject: Re: [Repeater-Builder] Re: 6 meter repeater duplexer (not used)
> 
> skipp025 wrote:
> 
> > Channel 2 from San Francisco is line of sight to our
> > system.  A combination of antenna shielding, some
> > homebrew filters and a bit of dancing made the system
> > usable and a lot of fun before the higher power tx
> > was placed in service.
> 
> Skipp,
> 
> Try about 8 miles line of sight with Ch 2 @ ~20 KW.  :-(
> 
> Having any Ch 2 nearby -- no matter how you slice it -- really sucks.
> 
> Hmmm... antenna shielding...
> 
> Hey, yeah, we could put the antenna underground! ;-)  Yeah, yeah...
> that's the ticket!  (GRIN)
> 
> Our poor 6m machine is quite deaf due to the noise level.
> 
> Nate WY0X
> 
> Yahoo! Groups Links
> 
> 
> Yahoo! Groups Links
> 
> 
> 
>





 
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Re: [Repeater-Builder] How Accurate is Radio Mobile?

2005-11-27 Thread Rob

My personal experience with Radio Mobile has been very good. I have done 
about 30 different amateur and commercial transmitter/repeater plots 
with this free software and it has predicted coverage exceedingly well. 
I have taken most of my RM plots and field verified them myself.

The other side of the coin is that you do need to put some effort into 
learning and tweaking the program. The free price comes at a cost of 
some time on your part. With that said, there are some very good 
resources online - both at the Radio Mobile website and the YahooGroup 
that can assist you.

If you take the time to learn the program properly, you won't be 
disappointed with its results for most applications.


- Rob




 
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RE: [Repeater-Builder] Re: 6 meter repeater duplexer (not used)

2005-11-27 Thread Paul Finch

Hello,

I am about 45 miles away from a channel 2 high powered TV station, should I
be worried about he repeater I am building?

Paul

-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] Behalf Of Nate Duehr
Sent: Saturday, November 26, 2005 10:06 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Re: 6 meter repeater duplexer (not used)

skipp025 wrote:

> Channel 2 from San Francisco is line of sight to our
> system.  A combination of antenna shielding, some
> homebrew filters and a bit of dancing made the system
> usable and a lot of fun before the higher power tx
> was placed in service.

Skipp,

Try about 8 miles line of sight with Ch 2 @ ~20 KW.  :-(

Having any Ch 2 nearby -- no matter how you slice it -- really sucks.

Hmmm... antenna shielding...

Hey, yeah, we could put the antenna underground! ;-)  Yeah, yeah...
that's the ticket!  (GRIN)

Our poor 6m machine is quite deaf due to the noise level.

Nate WY0X

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[Repeater-Builder] can any one explian me what is the combiners and splitiers ????

2005-11-27 Thread hussien.reda


  Hussien Reda








 
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[Repeater-Builder] Tait T856 audio question

2005-11-27 Thread Bernd Maestling

Hello,

since my T800 is working now I have a question about the
"audio-mode" jumpers in the TX-module.

What is the best setup for an HAM-repeater. I tried
the different modes and I thin I got the best results
with flat response. Compressor-mode seems to bit a bit 
noisy. Whats about pre-emphaised mode ? 

Since I only thested it on my table with handheld
radios maybe someone can give me his setup.

Thanks
Bernd
DM5BM







 
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Re: [Repeater-Builder] looking for a micor cable for test set