DG’s Practical Notes, R#21 Grundig Heinzelmann 1, 1954 [v2]
55:28
DG’s Practical Notes, R#14 Hammarlund HQ 100A, 1959-1962
1:23:58
DG’s Practical Notes, R#17 Vittorio Gardellini Treviso, ECH4 EF9 EBC3 EL3 AZ1, early 1950s
35:08
20 GHz LNB teardown (and test)
1:27:39
DG’s Practical Notes, R#18 Grundig 2030W/3D 1954
35:43
Rebuilding the TEN TEC PTO from an Omni D
25:06
Crystal Radios: No Batteries? No Problem!
35:37
62 RARE OLD ENGINES STARTING UP SOUND THAT WILL BLOW YOUR EARS
37:36