20m 30m 40m Bandpass Filters
Homemade LC Bandpass Filters for 20M, 30M, 40M In multi-station environments like special events, field day, portable operating, is very important to protect receivers from excessively strong signals. Bandpass filters help to protect your transceivers.
Visit 20m 30m 40m Bandpass Filters DXZone Resource Page
Or download this file file from Google Drive