Fox Hunting 101 - PowerPoint PPT Presentation

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Fox Hunting 101

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Fox Hunting 101 – PowerPoint PPT presentation

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Title: Fox Hunting 101


1
Fox Hunting 101
  • Chuck Newman
  • KA1CQR

2
Foxhunting can be used for
  • Finding locked transmitters
  • Aiding in Search and Rescue
  • Putting a transmitter in your daughters car when
    she goes out on a date

3
Piccon by www.Byonics.com
4
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5
What you need
  • Just a simple portable radio
  • Knowledge of VHF propagation is helpful
  • Simple navigation skills
  • A topographical map will do wonders
  • And now for some directional antennas

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7
  • Joe Leggio WB2HOL
  • http//home.att.net/jleggio/projects/rdf/snif_bm.
    htm

8
  • Joe Leggio WB2HOL
  • http//home.att.net/7Ejleggio/projects/rdf/tape_b
    m.htm

9
  • Built from the ARRL Antenna Handbook

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  • Joe Leggio WB2HOL
  • http//home.att.net/jleggio/projects/rdf/tdoa2.ht
    m

12
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13
Visit Joe WB2HOL- Leggios web site at
  • http//home.att.net/jleggio/projects/rdf/rdf.htm

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18
Safety First
  • Dont drive and read the map together!
  • Two person teams work better
  • Schedule stops in safe places when the fox is due
    to transmit

19
Now what?
  • Use a map to track your progress
  • Use a straight edge to mark your bearings
  • Use terrain to your advantage, because on 2m, a
    straight line isnt always straight!
  • Work the right angles on the map

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23
This looks good, but, then there is real life
24
You are close, but you are getting swamped
  • I wrap aluminum foil around my radio
  • You can use your body to null the signal
  • Use headphones/earphones to listen
  • You can remove your antenna
  • You can tune your radio off frequency
  • Trust your eyes! Look for it!

25
Have fun hunting
  • And remember, its
  • Tally Ho the Fox!

26
Have fun hunting!
  • And remember, its
  • Tally Ho the Fox!
  • Not there goes the little bastard!

27
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