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Transmitter Hunting in the San Francisco Bay Area
Pleasanton, CALIFORNIA
January 19, 2002

Thanks for visiting the San Francisco Bay Area T-Hunting WEB SITE.

Story and Photographs by: Jim-KD6DX
Resized and edited with Thumbs-Plus 4.5
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From 2560x1920 to 640x480 and highly compressed (50%).
Nikon CP5000

Last updated: Tuesday, January 22, 2002

THE FOX

Ron-N7TVE

PARTICIPATING HUNTERS




Jim-KD6DX, Greg-KE6PTP
Rich-KN6FW, Chris-KF6VFU, Gary-WB6YRU
Don-KD6IRE, Bruce-W6TED, Art-KF7GD, Kirby

 

Participants

Fox: Ron - N7TVE

TEAMS (5)

Mileage

Place

Jim-KD6DX and Greg-KE6PTP 40.3 (both Foxes) 1st
Rich-KN6FW and Chris-KF6VFU Second Fox only. (39.6)  
Gary-WB6YRU First Fox only. (6.8)  
Don-KD6IRE and Bruce-W6TED    
Art-KF7GD and Kirby First Fox only.  

 

map.gif
Entire hunt track and Bearings
Starting from the "Pleasanton Start Point" (Valley Christian Center), five teams gathered to hunt Ron-N7TVE and his two hidden transmitters. We were to find the closest transmitter first and then the one he was waiting at. Mileage to both transmitter count to win.

Don-KD6IRE (very smart) figured out the riddle. At 4:50 PM transmitter 146.49 MHz turned on, I read a bearing of 45* and at 5:10 PM transmitter 146.415 MHz turned on (bearing 41*). Don said if Ron, 20 minutes later turned on 146.415, then he must be at 146.415 and 146.490 must be the first, closest transmitter.

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Map to 1st Fox.
map_fox2.gif
Map to 2nd Fox.
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165957
Charley-W6RMR and Greg-KE6PTP
Charley-W6RMR
The past few hunts, I have been losing. Talking with my co-pilot, Greg-KE6PTP, we determined I look to far out on my initial bearing and must check the area closer-in along my bearing line.

Since both transmitters were along the same initial bearing we took-off in-search of either transmitters along the line. Which ever transmitter we came to first was the closest.

EQUIPMENT:
1) Arrow 4-element beam & Attenuator.
2) Magnetic Compass and Protractor.
3) Icom R3 U-R-Here radio.
4) Garmin StreetPilot-III, street level mapping.
5) AHHA Doppler, set to Filiter-2, 2/10/10.
6) Scout-40, Close-in frequency counter.

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170156
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170239
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171037
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171155
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171210
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180130
As you can see on "Map to 1st Fox", we were within walking distance of 146.49 MHz at 5:45 PM. Not thinking it was a walking hunt, we drove around to the other side of the Park and at 5:55 PM we walked down a dark path public path and found the transmitter.

Greg-KE6PTP found the actual 146.49 MHz transmitter using his Arrow Satellite Beam and Scout-40.

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180219
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180424
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193454
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193516
Locating the 2nd 146.415 MHz transmitter was a little tricky. I couldn't believe it was hidden so far way. Looking at "Map to 2nd Fox", you can see we drove in-land, trying all the unpaved roads leading towards the Fox but, not quite getting us to it.

Finely, we determined it was on Morgan Territory Road and drove right to the transmitter. The time, 7:30 PM.

While south of the transmitter, on Morgan Territory Rd, the signal was very weak. Because the transmitter was on the north side of the summit (behind the hill), it seemed the transmitter was not up here either.

Experimenting with the AHHA Doppler's filter-2 and setting the "QQ/Miss/Depth" to 2/10/10, really helped. My Doppler pointed straight ahead, right up Morgan Territory Rd, all the time. Periodically switching my Doppler to non-filter mode, I found my display spinning and sometimes pointing behind me.

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194549
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194653
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195212
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195548

202548
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205636
Ron-N7TVE, terminated the hunt at 8:10 PM (3 hour hunt limit). An announcement was made to meet at the new Round Table Pizza in Livermore.
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205703
  Thanks for reading about our hunt.

See you at the next transmitter hunt, Schedule.

Jim Sakane - KD6DX

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