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February 01, 2015, 11:41:03 AM
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| |-+  Feed Setup Pictures (Moderators: dave, RonR)
| | |-+  KAFW / 52F revised feed setup
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Author Topic: KAFW / 52F revised feed setup  (Read 1693 times)
TangoWhiskey
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« on: November 22, 2014, 08:58:20 PM »

Moved KAFW feed from my home 8.5 miles from the field to a friend's home overlooking the airfield.  Also switched over to a Raspberry Pi with two Griffin iMics sent fully configured (thanks, Dave!).

Revised setup has a stereo feed with KAFW tower in the left ear/speaker and Regional Approach/Departure in the right ear/speaker, as well as independent mono feeds of each (thanks to some scripting magic on the LiveATC server side).

Clearance Delivery and Ground are also covered.

Also hosted from this location is a discreet 52F (Northwest Regional) frequency.  52F is just outside the class D to the Northeast of KAFW, and is a very busy general aviation field under the DFW Class B shelf.  Traffic departing / arriving 52F often contacts KAFW's tower for transit of the Class D.

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ec-kai
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« Reply #1 on: January 18, 2015, 04:58:03 PM »

Oh, nice. Are all 4 scanners sharing the same antenna ? How is this done?

Thanks! Kai
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dave
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« Reply #2 on: January 20, 2015, 09:55:33 AM »

They are using a 4-way RF power splitter from Mini-Circuits.  Similar or identical to this one:

http://www.minicircuits.com/pdfs/ZFSC-4-1+.pdf

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J-LucB
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« Reply #3 on: January 21, 2015, 11:04:17 AM »

It was also my question.   grin

Good answer Dave.
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Squawk 7700
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« Reply #4 on: January 23, 2015, 03:46:47 PM »

I just ordered one.  smiley
Ken
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Feeder:
KHWD Ground/Tower
KOAK Del/Gnd/Twr
KSFO NORCAL App Rwy 28L/R
KSFO Tower/Ground
NORCAL Approach (KOAK)
NORCAL Departure (KSFO/KOAK)
KSJC NORCAL Approach #2
ZOA Oakland Center (35/40/41)


RJTT App/Dep
RJTT Tokyo Control
RJTT Twr/TCA
J-LucB
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« Reply #5 on: January 27, 2015, 06:51:48 AM »

Quote
ordered one
Where ?  grin
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Squawk 7700
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« Reply #6 on: January 30, 2015, 04:25:10 PM »

http://www.minicircuits.com/homepage/homepage.html

Go to this page for Splitters: http://www.minicircuits.com/products/Splitters.shtml

Hope this helps?

Ken
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Feeder:
KHWD Ground/Tower
KOAK Del/Gnd/Twr
KSFO NORCAL App Rwy 28L/R
KSFO Tower/Ground
NORCAL Approach (KOAK)
NORCAL Departure (KSFO/KOAK)
KSJC NORCAL Approach #2
ZOA Oakland Center (35/40/41)


RJTT App/Dep
RJTT Tokyo Control
RJTT Twr/TCA
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