I have not seen any documentation on the swap-out.
I also have not done the mod. I would imagine the mod to the 400 is pretty much plug and play the 150 and 400 use the same input and output tuning coils.?
The 2000 however has a different output loading coil. That could cause some problems. Just be aware, it may not be plug and play in the 2000.?
Perhaps someone on the forum has done the mod on the 2000 and will jump in.
Walt Cates, WD0GOF
?
A majority of acceptance is not proof of correctness.
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Is there anything written on how to swap the FL1 and crystals?
TNX - WS4AM