| Uploaded | Radio | Model/Category | Description |
| 22 Sep 2002 | Drake | R-4C | Still the finest competion-grade receiver |
| 20 Feb 2000 | Kenwood | DG-1 | DG-1 Standard service procedure |
| 19 Sep 2014 | Kenwood | GENERAL | Brief Guide to the Kenwood Hybrid Transceivers |
| 20 Feb 2000 | Kenwood | TS-120 | TS-120S, TS-180S phone patch terminal addition |
| 19 Jul 1998 | Kenwood | TS-120 | Hum in SSB TX, TS-120S and others |
| 20 Feb 2000 | Kenwood | TS-180 | TS-120S, TS-180S phone patch terminal addition |
| 19 Jul 1998 | Kenwood | TS-180 | BS-8 Alignment with the TS-180S Transceiver |
| 28 Apr 2008 | Kenwood | TS-520 | Kenwood TS-520, 530, 820 & 820 series transceivers |
| 01 Apr 2007 | Kenwood | TS-520 | TS-520 / 820 Series PA Modifications |
| 02 Apr 2000 | Kenwood | TS-520 | DS-2 Replaces DS-1A DC-DC Converter |
| 19 Jul 1998 | Kenwood | TS-520 | TS-520, TS-820 CW filter select control |
| 16 Mar 2025 | Kenwood | TS-820 | Service bulletin: General alignment procedure for the TS820(S) |
| 13 Feb 2025 | Kenwood | TS-820 | Cannot adjust DG1 Counter module frequency with trimmer |
| 20 May 2018 | Kenwood | TS-820 | Antenna relay RL-1 equivalent and datasheet (pinout) on TS-830 |
| 15 Sep 2013 | Kenwood | TS-820 | TS-820S DG-1 Frequency display instability |
| 13 Sep 2012 | Kenwood | TS-820 | Restoring the Kenwood TS-820 DG-1 Frequency Display |
| 07 Sep 2011 | Kenwood | TS-820 | Alignment of the TS-820 or TS-820S mono-scale dial |
| 19 Jun 2010 | Kenwood | TS-820 | TS-820 Adjustment Procedure corrections |
| 04 Nov 2008 | Kenwood | TS-820 | KENWOOD TS-820S Double defect. |
| 17 Aug 2008 | Kenwood | TS-820 | KENWOOD TS-820S. Bizarre "Disruption" of the frequency, on display. |
| 07 Aug 2008 | Kenwood | TS-820 | TS-820(S) Improved receive audio (hiss reduction) |
| 28 Apr 2008 | Kenwood | TS-820 | Kenwood TS-520, 530, 820 & 820 series transceivers |
| 01 Apr 2007 | Kenwood | TS-820 | TS-520 / 820 Series PA Modifications |
| 29 Mar 2007 | Kenwood | TS-820 | TS-820 (S)Alignment corrections |
| 23 Jan 2007 | Kenwood | TS-820 | Kenwood TS-820S unstable frequency display on 10 meters |
| 02 Jan 2007 | Kenwood | TS-820 | TS-820(S) RF unit shock hazard |
| 11 Dec 2004 | Kenwood | TS-820 | TS-820 receive problem after transmitting |
| 16 Jul 2002 | Kenwood | TS-820 | Additional info about the VCO table in the Service manual for TS-820 |
| 02 Apr 2000 | Kenwood | TS-820 | DS-2 Replaces DS-1A DC-DC Converter |
| 20 Feb 2000 | Kenwood | TS-820 | General Alignment Procedure for the TS-820(s) |
| 13 Feb 2000 | Kenwood | TS-820 | TS-820 RIT modification |
| 13 Feb 2000 | Kenwood | TS-820 | Microphone input attenuator for TS-820 |
| 19 Jul 1998 | Kenwood | TS-820 | TS-820 Fix the problem with the display |
| 19 Jul 1998 | Kenwood | TS-820 | New Display Tube for DG-1 |
| 19 Jul 1998 | Kenwood | TS-820 | TS-520, TS-820 CW filter select control |
| 19 Jul 1998 | Kenwood | TS-820 | Installing AUX Band in TS-820 (RX only) |
| 19 Jul 1998 | Kenwood | TS-820 | TA7201P Substitution Parts Kit |
| 19 Jul 1998 | Kenwood | TS-820 | TS-820 Speech Processor Alignment |
| 19 Jul 1998 | Kenwood | TS-820 | General Notes on TS-820S |
