My WSPR rig - Ultimate 3S kit

Draft

I am building Ultimate 3S kit and testing it along the way. Some pictures of the build, will be updated as project progresses.

1. Main board, starting point
2. Bifilar toroid
3. Basic set assembled with 10 m LPF
4. First light, diagnostic screen
5. CW test on 10 m
6. More toroids for 20 m, 40 m and 80 m LPFs

6 - More toroids for 20 m, 40 m and 80 m LPFs

7 - All LPFs lined up 10 m, 20 m, 40 m and 80 m (L-R)

8 - All LPFs lined up 10 m, 20 m, 40 m and 80 m (B-T)

9 - Kit complete with relay-switched LPF board

10 - CW test on 20 m

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