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San Francisco Stump the Stars Transmitter Hunt
June 21, 2003

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

Story by: Jim-KD6DX
Photographs by: Jim-KD6DX
Resized and edited with Thumbs-Plus 5.01
& Photo Shop 7.01
From 2560x1920 to 800x600 and highly compressed (50%).
Nikon CP5000

Last updated: Thursday, June 26, 2003

PARTICIPANTS
FOXES

Paul Shinn, Henry-KF6PCE, Joan-KF6QGJ & Bill-KF6QGK

HUNTERS
Rich Harrington KN6FW
Jim  KD6DX, transmitter hunter.Kathleen - N6DOB
Jason  KG6LRFSusan  KG6LRG

Rich-KN6FW, Jeff-KD6TOJ
Jim-KD6DX, Kathleen-N6DOB
Jason-KG6LRF, Susan-KG6LRG

 

Participants

Foxes: Paul Shinn, Henry-KF6PCE, Joan-KF6QGJ & Bill-KF6QGK

TEAMS (3)

MILEAGE

NOTES

Rich-KN6FW and Jeff-KD6TOJ 135 1st
Jim-KD6DX and Kathleen-N6DOB 206 With help.
Jason-KG6LRF and Susan-KG6LRG

 

Overall view of my GPS track and bearing lines.
Overall GPS track & bearing lines.
View of the area around the FOX and my GPS track.
Track & bearings MEDIUM

Who won the GRAND PRIZE ?
The ADI AT-201 VHF Handheld transceiver. Donated by PRYME Radio Products. (www.pryme.com).

Jason and Susan's bearing lines (Overall). Jason & Susan's bearing lines (Medium close-in).
Jason and Susan's bearing lines (Close-in).
Jason-KG6LRF & Susan-KG6LRG bearing lines are pictured above. They had some very good initial bearings (I have to ask them how they did that). As they got close to the mountains, they began chasing reflections.
Close-in view of my GPS track arount the FOX.
Track & bearings CLOSE-IN
3D view from the FOX to the START POINT.
3D view from the Fox to the start point.
20030621_101321.jpg
Jason-KG6LFR & Susan-KG6LRG
20030621_101332.jpg
Rich-KN6FW & Jeff-KD6TOJ
20030621_101345.jpg
Start Point initial bearing
20030621_170331.jpg
FireRoad 5N03, 5N20

Although my GPS track shows me at the Fox, I didn't find it on my own. To make a long story short, while traipsing around the forest for about two-hours, I about ran out of gasoline. I radioed Henry-KF6PCE that I needed help getting out of the forest (lost? me?) and was directed towards his location for the shortest distance to civilization.

You might wonder how could I get lost with a GPS Mapping system in my car. Well, the Mapping system didn't have any of the Fire Roads in it. When ever I drove (on the fire road) towards civilization, the road took me away, in the wrong direction and further from civilization.

I strongly feel, with my current mind-set, even if I had another hour of time and a full tank of gas, I would not have found the Fox.

Conclusion.
At the very start, I purposefully drove off the initial bearing to get a cross bearing in an attempt to locate the exact ridge Henry and Paul were hiding on. I got cross bearings alright but, none of them were over the Fox.

Lessons learned.
1) Drive towards the Fox, on your initial bearing and keep taking bearings. You should end up with a batch of bearings over the Fox.
2) As you get close to the Fox, continue taking bearings and you should find yourself with cross bearing, without the extra miles by driving off the initial bearing line.
3) When you decide to go off road (into the forest), fill your gas tank.
4) Don't expect to find the Fox on a map. Follow your Beam bearings towards the Fox.
5) Keep taking beam bearing when your high or when the Fox signal is much stronger than what you have been hearing.
6) Use an outside GPS antenna. I used the stock antenna and had problems receiving satellites in the forest.
7) If your using the MK4 Sniffer, take a bearing anytime it jumps up one attenuation level.
NOTE: In front of the Fox beam and between two mountains making a V-Canyon, the MK4 displayed attenuation level-3 when I was 15-miles away. On the side of the Fox beam, in Arnold, the MK4 displayed attenuation level-2 when I was only 3-miles away. I think what I'm saying is, take bearings and look around at your surrounding. Ask yourself why. Trust your equipment and react when there is a change in signal strength, not necessarily the level.

Who won ?
Rich-KN6FW and Jeff-KD6TOJ won this hunt fair and square, in only 135-miles. Congratulation. Only the best found the Fox.

Rich told me he drove his initial bearing towards the Fox and when his Doppler swung 90* in Arnold and the signal strength jumped up, he headed off road following his Doppler.

Jim Sakane (KD6DX)

20030621_170343.jpg
Near the entrance to Repeater Hill
20030621_182144.jpg
The signal path of the FOX transmitter.
20030621_182145-paul.jpg
Paul Shinn took this picture of the FOX.
20030621_182146-paul.jpg
Close-up of the FOX
by Paul Shinn.
20030621_182258.jpg
A behind the scene view from the Fox.
20030621_182422.jpg
Joan-KF6QGJ & Henry-KF6PCE
20030621_182557.jpg
Paul Shinn & Bill-KF6QGK
20030621_182700.jpg
Rich-KN6FW & Jeff-KD6TOJ
20030621_185810.jpg
Pizza Dinner in Avery.
20030621_190140.jpg
Ordering up Pizza.
20030621_190203.jpg
Still ordering pizza.
20030621_190402.jpg
Good prices.
20030621_191700.jpg
Winner of the Stump the Starts-II transmitter hunt.
20030621_191743.jpg
Rich-KN6FW examining his prize.
 
 
20030621_191755.jpg
ADI AT-201
Donated by PRYME

 

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