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Author Topic: 160m Contests Coming -- Where to Cut Antenna?  (Read 2760 times)
KK5JY
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Posts: 81




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« on: November 25, 2016, 04:29:24 PM »

Looks like we are getting close to the wintertime 160m contests.  I would like to put up a dipole antenna this year to make a few contacts and also to test some dedicated receive antennas.

This leads me to a question for those of you who work 160m contests more often than I do...

I'm wondering what frequency to cut the dipole to be used as a transmit antenna?  Should I put it in the bottom half of the band?  Or the top?  Near the center?  I'm wondering if the CW ops in a contest tend to group together in any particular portion of the band?  Or are they basically spread out everywhere from 1800 to 2000kHz?

Thanks!
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KH6AQ
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Posts: 7718




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« Reply #1 on: November 25, 2016, 11:21:12 PM »

I'd cut it to 1850 kHz for the ARRL 160 meter contest.
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KK5JY
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Posts: 81




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« Reply #2 on: November 26, 2016, 01:05:37 PM »

That's what I was looking for.  Thanks!
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NN3W
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Posts: 361




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« Reply #3 on: November 26, 2016, 07:13:09 PM »

I'd say 1830.
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KK5JY
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Posts: 81




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« Reply #4 on: November 26, 2016, 07:48:51 PM »

Thanks for the feedback guys.  I noticed that CW ops tend to group together during contests on 80m, so I had a feeling that 160m would be even more so, since most 160m antennas are so narrow.

Antenna construction to begin on Monday. ;-)
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KA1VF
Member

Posts: 131




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« Reply #5 on: November 27, 2016, 10:52:21 AM »

By some miracle that I don't quite understand, my vintage
(circa 1997) Van Gordon brand G5RV loads up OK below 1845,
and it is only a 102'(80m-10m) wire antenna.


    73, and enjoy 160m ("the Gentleman's band")

       Bob

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K3STX
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Posts: 1589




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« Reply #6 on: November 28, 2016, 12:03:05 PM »

Depending on the height of your dipole, you might consider an inverted L or a vertical as a transmit antenna on 160. A "low" dipole on 160 (lower than 100 feet high) will be a bit of a cloud warmer. Don's ask me how I know  Smiley

paul
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