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| | |-+  Great J-pole antenna + SEA final feed?
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Author Topic: Great J-pole antenna + SEA final feed?  (Read 9640 times)
gmwnet
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« on: August 06, 2007, 10:50:55 PM »

This is not an ad, I promise!  But I just got a J-pole antenna from KB9VBR.

This antenna works fantastically great.  I’m receiving crystal clear transmissions that I couldn’t before.  I’m 10 miles from the airport on a hill, but the airport is on a hill as well with the Seattle skyscrapers between us.  Reception is stellar.  Plus when I asked he tuned it for the exact frequency I was looking to scan free of charge!

http://www.kb9vbr.com/jpole.php

So I'm now receiving Seattle final on 133.65 very well and hearing every single transmission.  Thinking about offering this feed to LiveATC -- I have it streaming to my server as a test right now.  I know Seattle is well covered, but I like to listen to one frequency and not hop-around.  And Seattle final sure gets busy in the afternoon and surprisingly in the late evening (guess from those late transcons from the east perhaps, plus redeyes from Seattle)

-Garrett
« Last Edit: August 06, 2007, 10:53:20 PM by gmwnet » Logged

Garrett Wiedmeier
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dave
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« Reply #1 on: August 07, 2007, 07:46:00 AM »

We're interested in all feeds, no matter how big or small.  The main criterion is getting decent to excellent reception.

Let me know privately if you're willing to feed.

Thanks,
Dave

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gmwnet
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« Reply #2 on: August 07, 2007, 11:08:33 AM »

PM with demo link sent! Smiley
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Garrett Wiedmeier
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KSYR-pjr
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« Reply #3 on: August 07, 2007, 12:25:16 PM »

I recently upgraded the KSYR feed to a j-pole antenna from that same source and I cannot say I am overly impressed just yet.

With the older Radio Shack discone antenna the feed was able to receive traffic approaching from the south and that approaching from the west at a greater distance than what it appears to be pulling in now.

I am curious if the j-pole antenna is more sensitive to direction, perhaps?
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Regards, Peter
ATC Feed:  Syracuse (KSYR), NY
dave
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« Reply #4 on: August 07, 2007, 01:05:26 PM »

I recently upgraded the KSYR feed to a j-pole antenna from that same source and I cannot say I am overly impressed just yet.

With the older Radio Shack discone antenna the feed was able to receive traffic approaching from the south and that approaching from the west at a greater distance than what it appears to be pulling in now.

I am curious if the j-pole antenna is more sensitive to direction, perhaps?

Peter-

It should be close to omnidirectional - pattern depends more on surrounding objects.  The discone and j-pole may have slightly different radiation characteristics, but both should generally be omni.

Dave

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KSYR-pjr
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« Reply #5 on: August 07, 2007, 02:56:02 PM »

Thanks, Dave, for the info.  Perhaps I am being overly critical since the change.
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Regards, Peter
ATC Feed:  Syracuse (KSYR), NY
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