#USNavy airship USS Akron crashed in severe weather off the New Jersey coast OTD in 1933
https://cromwell-intl.com/radio/j-poles.html?s=mb #history #radio 
J-Pole or Half-Wave End-Fed Zepp Antennas
The end-fed half-wave Zepp(elin) antenna, often built as a 'J-pole'. Dimensions, practical construction tips, and attaching a feed line.
Bob the Traveler