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
>
>
>
>






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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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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)

2005-11-27 Thread Neil McKie

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

2005-11-26 Thread Nate Duehr
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] Re: 6 meter repeater duplexer (not used)

2005-11-26 Thread Neil McKie

  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)

2005-11-26 Thread Paul Finch
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
>
> What I/O split does it run?  Here in SoCal we use 500 kHz.  FWIW, I notice
> more repeaters on 6 meters with self-desense than any other band, which is
> even worse when you consider that the noise floor on 6 is higher than the
> higher bands.
>
> Bob
>
> P.S.: 2.5 watts TX power would never cut it here - too much ch. 2 VSB
>
>






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

2005-11-26 Thread Neil McKie

  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
> 
> What I/O split does it run?  Here in SoCal we use 500 kHz.  FWIW, I notice
> more repeaters on 6 meters with self-desense than any other band, which is
> even worse when you consider that the noise floor on 6 is higher than the
> higher bands.
> 
> Bob
> 
> P.S.: 2.5 watts TX power would never cut it here - too much ch. 2 VSB
> 
>





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

2005-11-26 Thread no6b
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

What I/O split does it run?  Here in SoCal we use 500 kHz.  FWIW, I notice 
more repeaters on 6 meters with self-desense than any other band, which is 
even worse when you consider that the noise floor on 6 is higher than the 
higher bands.

Bob

P.S.: 2.5 watts TX power would never cut it here - too much ch. 2 VSB






 
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