Towed antenna

Discussion in 'Antennas, Feedlines, Towers & Rotors' started by KJ4PAI, Nov 11, 2009.

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  1. KJ4PAI

    KJ4PAI Ham Member QRZ Page

    This is probebly an odd question but would it be a good or bad idea to have a towed antenna on a sail boat? I know submarines use them so I would think that it would be fesable to try it? Thanks.
     
  2. G3TXQ

    G3TXQ Ham Member QRZ Page

    Yes, submarines use them:

    * for reception, not transmission
    * at VLF or ELF frequencies where signals penetrate salt water to a significant depth

    Not a great idea for HF transmission :)

    73,
    Steve G3TXQ
     
  3. K8ERV

    K8ERV QRZ Member QRZ Page

    The mast might work better, unless you are underwater.

    TOM K8ERV Montrose Colo
     
  4. N3UJM

    N3UJM Premium Subscriber QRZ Page

  5. AD5ND

    AD5ND Ham Member QRZ Page

    Most of the antennas I've built would require me to tow them if I needed to use them on a sail boat. It would be much easier to have a large ship with my aerials on it and have it tow my sail boat.
     
  6. K7GQ

    K7GQ Subscriber QRZ Page

    I'm trying to envision exactly what you're considering:

    * towed in/under the water? That would work for ULF, I suppose - and probably would impact your sailing performance (aka miniature sea anchor)

    * coming from the masthead back to a towed dingy? On paper, it might give a nicer pattern, but, like dragging a dingy, it'll slow you down - not to mention a host of other sailing issues.

    Is there something about a radiating backstay you don't like?
     
  7. NL7W

    NL7W Ham Member QRZ Page

    Try towed (submarine) SONAR arrays... look that up.
     
  8. NL7W

    NL7W Ham Member QRZ Page

    Not really...

    Have you tried auto-tuning an end-fed wire off the mast on HF? Those are usually KILLER on the water.
     
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