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THE AM BULLETIN BOARD => Technical Forum => Topic started by: Tom WA3KLR on March 18, 2016, 08:30:30 PM



Title: Seawater Vertical Antennas
Post by: Tom WA3KLR on March 18, 2016, 08:30:30 PM
I read this today in the latest issue of microwaves&rf, March issue(not April).  Mitsubishi and the Navy are looking into using a spout of seawater for submarine and ship antennas, HF to VHF.

PDF attached below.


Title: Re: Seawater Vertical Antennas
Post by: W7TFO on March 18, 2016, 10:37:40 PM
I read an article about just that use of H2O for ham HF antennas some years ago.

Don't remember what magazine, tho.

73DG


Title: Re: Seawater Vertical Antennas
Post by: w4bfs on March 18, 2016, 11:36:46 PM
this could get  personal


Title: Re: Seawater Vertical Antennas
Post by: Pete, WA2CWA on March 19, 2016, 02:35:23 AM
Three element vertical:

(http://i57.fastpic.ru/big/2013/1029/01/4262f15a65646db7141b7d55c3b9a501.jpg)


Title: Re: Seawater Vertical Antennas
Post by: W9ZSL on March 19, 2016, 05:28:01 PM
How about a roof full of snow?


Title: Re: Seawater Vertical Antennas
Post by: N1BCG on March 19, 2016, 10:56:16 PM
Hams who live in antenna-restrictive developments are going to start taking a keen interest in the fountains. "It's so strange..." commented a resident "...how these fountains seem to increase in height at night".


Title: Re: Seawater Vertical Antennas
Post by: N9axl on March 20, 2016, 09:08:33 PM
HOAs will simply ban the use of water for any purpose.
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