AMATEUR RADIO CIRCUIT BOARD SCHEMATICS
The etching pattern for the RF board: how we apply affection.
THE ARRL HANDBOOK FOR THE RADIO AMATEUR, 1985
|
|
AMATEUR RADIO CIRCUIT BOARD SCHEMATICS The etching pattern for the RF board: how we apply affection. THE ARRL HANDBOOK FOR THE RADIO AMATEUR, 1985 |
|
|
|