Videos

Basic Ohms Law

  1. Series Resistors
  2. Parallel Resistors
  3. Series Parallel Resistors

Ameritron

  1. Ameritron RCS4 Antenna Switch

Heathkit

  1. Heathkit BR2
  2. Tuning the HW-101 transmitter
  3. HW101 and HO13 Ham Scan
  4. https://w5rkl.com/wp-content/uploads/2018/11/Scratch-Built-HW101.mp4
  5. Cleaning a stiff or stuck TRW LMO
  6. HW100 HW101 Cathode circuit Part 1
  7. HW100 HW101 Cathode Circuit Part 2
  8. HW100 HW101 Cathode Circuit Part 2 continuation
  9. Heathkit SB-100 Final Amplifier Cathode plate circuit
  10. HW-101 SB-100 V3 AGC and operating bias voltage measurements
  11. HW101 Activity-Grid-voltage-changes-from-receive-signal
  12. Kenwood TS-520 Noise Blanker in a Heathkit SB-303 receiver
  13. Fully Restored 1956 Heathkit AR3 receiver
  14. Restoration of a 1953 Heathkit AT1 transmitter
  15. Chassis Metallic Copper paint continuity
  16. Fully restored and operational 1953 Heathkit AT1 transmitter
  17. Heathkit QF1 Q Multiplier connected to a Hallicrafters S40B
  18. SB300 AM with Heathkit 3Khz AM filter
  19. Replacing Jackson Drive on HW101 LMO
  20. Carrier Generator V16A and V16B Test
  21. Scratch Built HW101
  22. HW101 Meter Bounce Test
  23. Measure HW100 and HW-101 Grid current
  24. HX1681 HET OSC MIXER BD Test
  25. Third HW16 Full Restoration
  26. V15 PEC Board Test nbr 3

Hallicrafters

  1. New S107 Addition
  2. S40B with QF1 Q Multiplier
  3. Restored-Hallicrafter-s-107

Johnson Messengers on 10 meter AM

  1. Johnson Messenger II K1GUP and W5RKL on 29Mhz 10 meter AM
  2. Johnson Messenger 223 receive on 29Mhz 10 meter AM

Lafayette

  1. Fully Restored Lafayette KT-200
  2. Repaired Lafayette HE-30

Kenwood Hybrid

  1. TS520 and TS820 Cathode IP meter circuit
  2. TS530 and TS830 Cathode IP meter circuit
  3. Kenwood Hybrid Cathode Resistors as Fuses Part 1
  4. Kenwood Hybrid Cathode Resistors as Fuses Part 2
  5. Function of the 520 530 and 820 SG Switch
  6. Function of the TS830 SG switch
  7. Kenwood 12 pin power connector wiring
  8. TS520 CAR Unit Q2 Buffer Amp Voltages
  9. TS520-car-board Repair test
  10. TS520-transmitter-tuning-procedure
  11. Cleaning KW Hybrid Erratic VFO
  12. TS520 TS820 Cathode IP Meter Circuit Simple Test

 General Videos

  1. K1GUP and W5RKL 29Mhz 10 meter AM
  2. Canadian station calling CQ on 10 meter AM
  3. Quarter inch mono switched socket
  4. Cleaning Variable Capacitor Shaft Flex to Frame connection
  5. Examples of basic test equipment

Gassy 1st IF amp V3 in an SB-100

  1. V3 grid voltage changes due to excessive gas

SB-100 V3 and V10 IF and RF amp grid voltages

  1. Activity Grid voltage changes from receive signal