Simple FM notch filter from coaxial cables or copper pipes - tests and measurements

SatNOGS Hardware
1

Hello everyone, in the attachment you will find the results obtained with 3 types of notch filters. With a little attention (to the connectors used) and skill, the filters can be made by anyone who has problems with interference from broadcasting stations.
Regards,
YO4DFT - Cristian

Simple FM Notch filter for SATNOGS.pdf (1.9 MB)

5 Likes
2

Cristian,

Thanks for sharing this information and document so that others can also try and solve there interference.

Jan - PE0SAT