Cruisers Forum

Join CruisersForum Today

  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on Cruisers Forums. Advertise Here
Thread Tools Search this Thread Rate Thread Display Modes
Old 24-02-2010, 15:18   #1
Registered User

Join Date: Nov 2009
Location: Canada
Boat: Cal 2-46
Posts: 101
Optimum Insulated Backstay Antenna Length

Can anyone suggest an optimal length for a backstay radiating element for HAM/SSB? I am re-rigging the standing rigging on the main mast and my rigger suggested that 33 feet was a good length for the radiator but is a self admitted non-HAM.

Also what configurations have others found ideal? I imagine two insulators, one high enough off deck to avoid burns. Are two insulators always required?

btw...I have an Icom 735 radio.
LuvToSail is offline   Reply With Quote
Old 24-02-2010, 16:12   #2
Eternal Member

Join Date: Jul 2006
Location: Chesapeake Region and Maine
Boat: 42' Bob Perry sloop
Posts: 4,047
Images: 4
Just about any length over about 23' will do. Longer lengths favor the lower bands; shorter lengths favor the higher bands. Somewhere around 40' is a good compromise for both ham and marine band use.

Re: insulators, you don't need two in many situations. Sometimes, it makes good sense to put one insulator at the top, and feed the antenna directly from the chainplate belowdecks, with antenna tuner mounted closeby. This works very well, indeed. And, if you're worried about potential RF burns, you can cover the lower portion of the backstay with a nylon or PVC boot.

btrayfors is offline   Reply With Quote


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
SSB Backstay Antenna Zanshin Marine Electronics 5 27-01-2010 10:13
Length of Insulated Backstay for Ham Radio Sergy Marine Electronics 18 21-10-2009 03:53
Standoffs - Antenna to Backstay Insulator Ramblin' Marine Electronics 16 22-06-2009 09:21
VHF antenna optimum height bobalpep Marine Electronics 13 04-03-2009 10:38
Insulated Backstay Terminals? Gallivanters Marine Electronics 2 20-08-2007 13:37

Advertise Here

All times are GMT -7. The time now is 17:19.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2020, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2020, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.