Saturday, July 9, 2016
It seems "Buck" Rodgers developed it in 1958. His version with info can be found here.
EDIT: the link broke. A search for TTFD will take you to some good info. The diagram above with the formulas is basically all you need to build one. It has been made under several names. A search for FLAG antenna will find some good info also. The main difference between a TTFD and a FLAG is the way they are mounted.
Another option for the apartment dweller?
Tuesday, July 5, 2016
My sidewise flag. It's the noise factor that sold me.
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