HEATHKIT MODIFICATIONS (11)

• SB220 Mods (note from M0BCG)
• Final Tuning know for the Heath sixer and Twoer  (QST 1-67)
• Mod for the Heath sixer (Horizons 11-62)
• SB1000 on 6 Meters
• Using the SB200 on 6Meters (QST 1-69).
• Circuit improvements for SB220 Amp. Part 1-2 (QST 11-90 12-90).
• SB 220 Mod (QST 5-89)
• SB 220 Improvements (QST 2-89)
• SB 110 MOD by KC0CQ
• SB 10 on 6 Meters
• SB 220 on 6 Meters

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