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Picture: Steve Morgan - K8FFO
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Drake F-15/U filter from WWII ( 1944 ). |
Please add this information to the picture of the F-15/U filter:
1. Low Pass type
2. Cut off frequency 75 MHz
3. Maximum attenuation from 96 MHz and up
4. Useful for 6 meter amateur band
5. Power rating 2 KW
6. Input and output impedance 52 ohms
I got this info from Bill Frost. He found this in a letter to a
customer dated September 1960.
Your friend,
Sindre