[Elecraft] Longwire with K2/KAT2/BL1

Daniel Reynolds aa0ni at yahoo.com
Thu Jun 3 17:23:08 EDT 2004


I was doing some propagation modeling for my buddipole antenna using
ICECAP/VOACAP AREA programs, and then tried modeling a few other antennas. I've
decided I could do better with a 100' wire up 10 ft in the air (for the
upcoming TAC and Spartan Sprints). I'm going to test out such an antenna to see
how close the modeling programs come to predicting real world performance.

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My questions for the list...

How would you attach this 100 ft wire to a K2 with KAT2 and BL1 (balun
mini-kit)?

Would use the balun or would you leave it out?

Would you use a counterpoise? If so, how long?

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For those of you interested - it looks like that a 100 ft wire (at 10 ft)
running NE to SW would give me a better presence to the NE and SW on 80m
(amazingly... not broadside NW and SE), and it would do a lot better than the
buddipole does on 20 and 40m (only the buddipole might go up quicker than this
antenna).

If the 100 ft wire performs well, and compares favorably to the computer
modeling, then I may be running a 200 ft wire for Field Day. The 200 ft wire
running NW to SE would drive my QRP signal on 80m clear into New England (from
Oklahoma City) in the evening. It would also do a great job on 40 and 20.

72/73,
Daniel / AA0NI




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