Maybe this simple looking old antenna will remain somewhat of an enigma.
Thanks for the ideas and to Jeff for his observations and dimensions.
You may be interested in this sale on KSL.Very interesting. Will be heading out on my nationwide farewell tour end of the month and prepping my mobile. Antenna collection dating back to mid-1970s. L/R below:
Original 8' Francis Wheeler Dealer
ProComm 102 w/adjustable base & HD Spring
Rat Shack 102
Wilson W1000 (have 2; rental car use)
10/11M 7-1/2' Shark
Original 5-1/2' Francis Hot Rod.
Original Hustler HQ-27
Original 4' Francis Hot Rod.
Generic 4 footer
View attachment 37363
Hobbieville, have a safe trip.
If that old 1000 is doing good, I'd use it. Maybe take another short one along...that still works good.