Have you tried geocaching yet? This new outdoor activity and Amateur Radio Direction Finding (ARDF) are attracting lots of interest on the part of hams. ARDF emphasizes orienteering skills and geocaching adds GPS-based navigation to the mix. If your club is looking for adventure, check out this link and this one for some exciting new directions! And while you're at it, make a run through this puzzle...

Across

1. The place where things are invented
5. Rectangular locator
8. Fills the tummy
12. Maps that show geographical features
13. What sunblock blocks
14. To carry a debt
15. The hidden transmitter
16. Rangles and rants
18. Large (abbreviation)
19. Is life too short for this?
21. Battery rating units
23. Go fast
25. This comes first
28. What Rocky says or Romania's prefix
29. Hint
31. Where satellites roam
33. Control and guest
34. Path through the woods
37. Abbreviation for distance from equator
39. Where Mount Rushmore lives (abbr.)
40. Uses the force
41. Emerald city
42. Line of equal elevation
45. Broadcast network
46. Navigation satellite system (abbr.)
48. How well you are doing in school (abbr.)
49. Not slow
50. Nautical speed (abbr.)
52. CW for "and"
53. Russian satellite prefix
54. Computer symbol
57. Type of rechargeable battery (abbr.)
59. Palmtop computer (abbr.)
60. Multielement antenna
63. A state hammered by Katrina (abbr.)
64. Locates north
66. Rate of movement
68. Unit of distance (abbr.)
70. All right
71. Carries microwaves (abbr.)
72. Direction to a geographical feature

Down

2. Most accurate type of timepiece
3. Think outside this
4. Predetermined layout for orientation
6. The path taken
7. Didn't meet expectations
9. Station that listens for proper operating
10. Wise bird
11. 360 of these in a circle
17. Location used for navigating to a destination
20. Increases power (abbr.)
22. Group that doesn't like antennas (abbr.)
24. Lay out a journey on a chart or map
26. A useful kit (two words)
27. What televisions suffer from hams (abbr.)
30. Where to look to see satellites
32. Timepiece
35. Much about nothing
36. Obsolete radionavigation system
37. Describes map scale and symbols
38. Records of travels
43. A globe spins around this (abbr.)
44. What is that in the sky?
47. Units for pressure (abbr.)
51. If you don't succeed, do this again
53. Standard screw threads (abbr.)
55. Concealed package of stuff
56. Popular unlicensed radio service
58. Graphic description of geography
59. Bound stack of paper
60. Add "N" for a snooze
61. Follows clouds
62. What you do for directions
63. One segment of a trip
65. Damage
66. A deceased ham (abbr.)
67. Opposite of NS
69. Obsolete abbreviation for frequency