I made and tested several of these for Air Band, AIS and Sonde tracking use, since I had a free spool of Belden 1505A cable. These are low Q, so very wideband at these frequencies. Here are the details in PDF. May the Almighty Curse KevinE, TBG and many others for making my own rabbit holes!
AREOLA TENNA R2.pdf (101.2 KB)