User contributions for Uscgaux

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14 May 2020

12 May 2020

  • 15:2115:21, 12 May 2020 diff hist +260 N 221/RepairsCreated page with "The 221 has a switching power supply. It has a transformer couple trigger circuit which produces a Dc level base trigger.It gets fried when the batter gets so old they draw t..."

1 May 2020