[WARC] need person with 70. cm. rcv for test

[jonmcpete at cpinternet.com]

Maybe try Tue. nite if I get home from work not too late and
not lightning.  Will keep posted.
Jon

> Sorry, didn't get the mail in time... 2 meters was open so
> I didn't get to the mail.. I usually look earlier..  
> 
> Dave, WV9E
>   ----- Original Message ----- 
>   From: jonmcpete at cpinternet.com 
>   To: Winona Amateur Radio Club general discussion 
>   Sent: Monday, August 24, 2009 8:13 AM
>   Subject: Re: [WARC] need person with 70. cm. rcv for
> test 
> 
> 
>   Great.  As long as I can get a strong enough signal that
> you
>   can get it to show up on some indicator like an S-meter
> on
>   your receiver over that distance with a few watts.  Will
> use
>   higher power for full functioning ATV but for now will
> have
>   to carry everything up the tower to each point!  Would
> like
>   to try this evening sometime just to see if can get into
>   Onalaska with a few watts FM voice.  The Wabasha 2 m.
>   repeater at 100 W. is tough for you to rcv. even though
>   isn't it?
>   Jon, wa0unb  
> 
>   > Maybe send out an email as to expected times and
>   > frequencies.. I have a vertical on 440 and atv
> receiver
>   > here in Onalaska,, en43 ofcourse.... I could be of
> some
>   > help.
>   > 
>   > 73,
>   > 
>   >  Dave, WV9E
>   > 
>   > 
>   >   ----- Original Message ----- 
>   >   From: jonmcpete at cpinternet.com 
>   >   To: warc at lists.w0ne.org 
>   >   Cc: jrwise at hbci.com ; w0stv at arrl.net 
>   >   Sent: Sunday, August 23, 2009 8:00 PM
>   >   Subject: [WARC] need person with 70. cm. rcv for
> test 
>   > 
>   > 
>   >   I have all the parts finally for the ATV repeater. 
> Want
>   > to
>   >   test each part to be sure the total IS equal to the
> sum
>   > of
>   >   the parts otherwise it is difficult to assess
> whether
>   > you
>   >   are really getting out of it what you would "expect"
> as
>   > few
>   >   other such machines in the area to compare with. 
>   >   Actually....none.
>   >   What I need is a person or two (more OK) who can be
>   >   available now and then to compare signal strengths
> as I
>   > swap
>   >   among three antennas, three feed lines, at three
>   > different
>   >   heights.  NO, NOT ALL 27 COMBINATIONS !!!!  The
> tests
>   > for
>   >   this part will just use FM voice on one of the ATV
>   >   frequencies.  443.750 MHz would probably be good. 
> NO
>   > ATV
>   >   equipment is needed.  What would be IDEAL would be
>   >   someone(s) with a simple VERTICAL 70. cm. antenna. 
>   > Beams
>   >   might be a nuisance because of the need to always
> set
>   > them
>   >   back to the same bearing.  The idea is that I
> transmit a
>   >   fixed power carrier and the receiving station notes
> the
>   >   signal strength (any type of "S-meter" reading is
> fine,
>   >   doesn't need to be calibrated).  When I switch to
>   > another
>   >   antenna, feedline, height, etc. we coordinate (on
>   > another or
>   >   the same frequency) and see how much I need to
> attenuate
>   > the
>   >   signal on my end to get the same reading on your
>   > "S-meter." 
>   >   I can always measure gain/loss for the transmitter
> power
>   > and
>   >   the feedline by other means but am very curious how
> much
>   > the
>   >   height affects this and whether the antennas really
> meet
>   >   their spec.s.  Picked up a DB-420 antenna at Dayton
> (16
>   >   "folded dipole" array) but is used and want to
> actually
>   >   assess it.  Will compare with two other fiberglass
>   > "sticks".
>   >    Would like to check out tonight a few things to see
>   > just
>   >   what power level will be needed to accomplish these
>   > goals. 
>   >   FM voice is plenty adequate for these first
>   >   measurements...plus I don't feel like carrying a
> video
>   > and
>   >   audio source, transmitter, amp., bird meter, lead
>   > gel-cell,
>   >   and batch of attenuators to the top of the tower too
>   > many
>   >   times if I can calculate whether it is performing up
> to
>   >   snuff from these tests.   jon wa0unb
>   > 
>   >   Jon Peterson wa0unb
>   >   _______________________________________________
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>   > 
>   > 
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> 
>   Jon Peterson wa0unb
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Jon Peterson wa0unb