Here is a transformer table:
FT14043 Binocular
Source Amidon Amidon
Cost $3.75 80 cents
size 1.40" od .525" x .550"
# turns 4/12 2/6
material vhf hf
A-L 952 8500 (thus few turns)
pri jX? yes no
Vs loss due to jX? 2 to 1 none
73 Bob W7LR