Matching PI-network for a half wave vertical for 50 MHz. Left is a "stamp" trimmer of 120 pF, which is for the coax-side. The other one is a Tronsor trimmer with air insulation for the antenna of 2,90 m, that can handle a higher voltage. This setup should be capable up to 200W.

Show older

Social media for Slow Scan Radio and the Daily Minutes