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Transmitter Hunting in the San Francisco Bay Area
Fremont Hunt
February 1, 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: Sunday, November 30, 2003

PARTICIPANTS
FOX
James N1DDKAndy WD6CJK
James-N1DDK and Andy-WD6CJK

HUNTERS
Don KD6IRELinda KE6BEOBruce W6TEDJuan WA6HTP
Henry KF6PCEJoan KF6QGJBill KF6QGKLarry KD6FFN
Rich KN6FWChris KF6VFUJim  KD6DXBob KF6VSEGary KB6YRU
Art KF7GDPeter G.Evan G.Jason KG6LRFSusan KG6LRG
Dave KG6ACDPete N6YIFScott KG6NXU

Don-KD6IRE, Llinda-KE6BEO, Bruce-W6TED, Juan-WA6HTP
Henry-KF6PCE, Joan-KF6QGJ, Bill-KF6QGK, Larry-KD6FFN
Rich-KN6FW, Chris-KF6VFU, Jim-KD6DX, Bob-KF6VSE, Gary-WB6YRU
Don-KD6IRE, Linda-KE6BEO, Art-KF7GD, Jason-KG6LRF, Susan-KG6LRG
Art-KF7GD, Peter, Evan, Jason-KG6LRF, Susan-KG6LRG
Dave-KG6ACD, Pete-N6YIF, Scott-KG6NXU

 

Participants

Foxes: James-N1DDK and Andy-WD6CJK

TEAMS (13)

Mileage

Notes

Don-KD6IRE, Linda-KE6BEO, Bruce-W6TED, Juan-WA6HTP 9.5 1st
Henry-KF6PCE, Joan-KF6QGJ, Bill-KF6QGK 9.8 1st 10% rule
Larry-KD6FFN 9.9 1st 10% rule
Rich-KN6FW 10.85 2nd
Chris - KF6VFU 12.2 3rd
Jim-KD6DX 12.9 3rd 10% rule
Bob-KF6VSE 13.1 3rd 10% rule
Gary-WB6YRU 13.2 3rd 10% rule
Art-KF7GD, Peter and Evan. 13.8 4th
Jason-KG6LRF, Susan-KG6LRG 20.6 5th
Dave-KG6ACD 24.6 6th
Pete-N6YIF   DNF
Scott-KG6NXU   DNF

 

1_map.jpg
GPS track to
fox #1
2_map.jpg
GPS track to
fox #2
There was a very good turn-out, thirteen teams, for this Fremont transmitter hunt put-on by James-N1DDK and Andy-WD6CJK.

The start instructions were announced by radio from James-N1DDK, find two transmitters, 1st-hard TX 146.415MHz and then 2nd-easy TX 146.490MHz, mileage to both will count towards winning.

I read some pretty poor initial bearings (I need to practice) of 340* to the hard fox and 347* to the easy fox. The real bearings were 306* to the hard and 335* to the easy. Because of my bearings, I started towards Mission Blvd. but, then changed course, following my AHHA Doppler.

As you can see from my GPS track, I sort of zigzagged my way towards fox-1, also checking and plotting the position of fox-2 since mileage towards both foxes counted and if I got to close to fox-1, I would not hear fox-2.

Upon arriving 302 feet from fox-1, I started my foot pursuit with my 4-element beam and new Sniffer MK4. I have to say this combination of close-in equipment is working out great. James-N1DDK fox-1 was parked on an adjacent street. Within minutes, Don-KD6IRE and Henry-KF6PCE came walking in to find fox-1 too.

Having a good idea of where fox-2 might be hiding, I drove off in search of the last transmitter. Andy-WD6CJK setup a pretty good (you can't get there from here), that I got tricked into. Fox-2 seemed to be coming from Morrison Canyon Rd., when I got there, the signal was coming from Canyon Heights Dr., a dead-end section of road that you have to drive 1.6 miles around to get to. I think a lot of hunters got caught up in this trick.

After the hunt, the initial rule (mileage to both foxes count towards winning) had changed to, not having to find fox-2 and mileage to fox-1 was all you needed. Hunters who did not drive up to fox-1 but, walked to it, had .3 miles added to their mileage.

Dinner at Mission Pizza was great, with good food and good company.

Jim Sakane (KD6DX)

EQUIPMENT I USED

1) Arrow 146-4-II, Four element yagi.

2) VK3YNG Sniffer MK4, I used it as my initial bearing receiver for both fox-1 and fox-2. Additionally, I used the MK4 as my U-R-Here radio which displayed my progress towards both foxes exceptionally well. I also used the MK4 as my close-in sniffer with my Arrow 146-4-II.

4) Compass, Protractor and Map. I plotted my initial bearings on a laminated (printed) TOPO map, which didn't help me at all, since I plotted some very bad bearings.

5) AHHA MicroFinder Doppler, Worked very well, pointing to both foxes through-out the hunt.

6) Standard C5900DA, Mobile tri-band radio. Your radio doesn't have to be the C5900DA, any mobile radio will do, as long as you can scan or receive all the FOX channels and the talk-in frequency. I use my mobile radio as a distant U-R-Here radio and switched to my Sniffer MK4 when I get really close. The MK4, attenuation level-7 seems to be the magic number to stop and walk.

7) Garmin StreetPilot-III. Street level mapping helped me find streets I was not familiar with. I should have used it to plot shortest routes though, my judgment on which streets to take were slightly off.

See you on Feb. 15, 2003, Pleasanton Hunt.

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James-N1DDK
Fox #1
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Andy-WD6CJK
Fox #2
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Mission Pizza
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