The TH3-Mk2 (386) Thunderbird has a 14 ft boom.
Director to DE centre to centre is 91-3/4"
Reflector to DE centre to centre is 72-3/4"
Hope this helps you identify it.
73 de Jim Smith VE7FO
List Sponsored by AN Wireless: AN Wireless handles Rohn tower systems,
Trylon Titan towers, coax, hardline and more. Also check out our self
supporting towers up to 100 feet for under $1500!! http://www.anwireless.com
FAQ on WWW: http://www.contesting.com/FAQ/towertalk
Administrative requests: towertalk-REQUEST@contesting.com