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SWR Meter

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mrspudandcompany(at)veriz
Guest

Posted: Sat Jan 21, 2012 11:02 am Post subject: SWR Meter

I have a Vintage Sears SWR / FS meter which appears to be

the same as the Cal Com Model 9856.  Can this be used to check the antenna

on aircraft nav com radios?  If so, how do I set it up for use?



	Roger

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nuckolls.bob(at)aeroelect
Guest

Posted: Sat Jan 21, 2012 1:58 pm Post subject: SWR Meter

At 12:57 PM 1/21/2012, ROGER &  JEAN CURTIS wrote:

 	  Quote: 	
		                   I have a Vintage Sears SWR / FS meter which appears to be

the same as the Cal Com Model 9856.  Can this be used to check the antenna

on aircraft nav com radios?  If so, how do I set it up for use?



         Roger




	


    This is no doubt an excellent example of a

    transmission line sampling reflectometer. Dozens

    of products of this genre' were manufactured

    and they are quite common.



   Bob . . .

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Float Flyr

Joined: 19 Jul 2006
Posts: 2704
Location: Campbellton, Newfoundland

Posted: Sat Jan 21, 2012 2:51 pm Post subject: SWR Meter

I wouldn't use this type of SWR meter on anything north of 50 mHz.  Find a

ham or telco tech who used to work on microwave equipment to test your

antenna.  Such a person might also advise you on things like ground planes

and antenna location.  For certified aircraft the work should be signed off

by a certified avionics shop.



Noel



--

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_________________
Noel Loveys
Kitfox III-A
Aerocet 1100 Floats

Float Flyr

Joined: 19 Jul 2006
Posts: 2704
Location: Campbellton, Newfoundland

Posted: Sat Jan 21, 2012 2:52 pm Post subject: SWR Meter

I forgot to say there was at least one Heathkit VHF SWR/FS meter on E-Bay a

few minutes ago.  Not the highest quality meter but it will put you in the

ball park.



Noel



--

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_________________
Noel Loveys
Kitfox III-A
Aerocet 1100 Floats

nuckolls.bob(at)aeroelect
Guest

Posted: Sat Jan 21, 2012 4:29 pm Post subject: SWR Meter

At 03:54 PM 1/21/2012, you wrote:


<nuckolls.bob(at)aeroelectric.com>



At 12:57 PM 1/21/2012, ROGER &  JEAN CURTIS wrote:

                 I have a Vintage Sears SWR / FS meter which appears to be

the same as the Cal Com Model 9856.  Can this be used to check the antenna

on aircraft nav com radios?  If so, how do I set it up for use?



         Roger



    This is no doubt an excellent example of a

    transmission line sampling reflectometer. Dozens

    of products of this genre' were manufactured

    and they are quite common. (insert OOPS here

    when I sent the response too soon).



    I fumbled the ball when I changed the subject line

    and my complete response didn't get tacked onto this

    thread. Be sure to get the whole 9-yard response under

    a similar subject line.

   Bob . . .

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mrspudandcompany(at)veriz
Guest

Posted: Sat Jan 21, 2012 6:45 pm Post subject: SWR Meter

At 12:57 PM 1/21/2012, ROGER &  JEAN CURTIS wrote:

                 I have a Vintage Sears SWR / FS meter which appears to be

the same as the Cal Com Model 9856.  Can this be used to check the antenna

on aircraft nav com radios?  If so, how do I set it up for use?



         Roger



    This is no doubt an excellent example of a

    transmission line sampling reflectometer. Dozens

    of products of this genre' were manufactured

    and they are quite common. (insert OOPS here

    when I sent the response too soon).



    I fumbled the ball when I changed the subject line

    and my complete response didn't get tacked onto this

    thread. Be sure to get the whole 9-yard response under

    a similar subject line.

   Bob . . . 

		Thanks Guys,



		It appears that I have a unit suitable for the CB band.

Since they are reasonably priced I will purchase a new one in the correct

frequency band.



		Roger

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