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- 18:02, 29 September 2021 diff hist +46 m PE4302
- 18:00, 29 September 2021 diff hist +242 PE4302 Old versions of MPLAB IDE
- 11:55, 26 June 2021 diff hist +173 m 23cms filters →3 and 5 pole filters: brass screws current
- 16:51, 22 June 2021 diff hist +25 m Portsdown 4 →Hardware build
- 16:49, 22 June 2021 diff hist +124 Portsdown 2020 →Hardware build: shortcut to 2019 hardware page current
- 14:00, 20 June 2021 diff hist +107 m 23cms filters →3 and 5 pole filters
- 13:58, 20 June 2021 diff hist +158 m 23cms filters →3 and 5 pole filters
- 13:50, 20 June 2021 diff hist 0 23cms filters →3 and 5 pole filters
- 13:49, 20 June 2021 diff hist -5 23cms filters →3 and 5 pole filters
- 13:47, 20 June 2021 diff hist +633 23cms filters 5 pole filter
- 13:31, 20 June 2021 diff hist +101 N File:1255 Interdigital filter 3.jpg M0YDH build of W6PQL filter in a die cast box. Cables and coupler only were at -9.75dBm current
- 13:30, 20 June 2021 diff hist +59 N File:1255 Interdigital filter 2.jpg M0YDH build of W6PQL filter in a die cast box current
- 13:29, 20 June 2021 diff hist +59 N File:1255 Interdigital filter 1.jpg M0YDH build of W6PQL filter in a die cast box current
- 17:38, 17 April 2021 diff hist +360 70cms filters RBP-440 current
- 17:32, 17 April 2021 diff hist +369 146 MHz filters RBP-140 current
- 17:22, 17 April 2021 diff hist +255 70MHz filters RBP-75 current
- 17:12, 17 April 2021 diff hist +31 m MiniTioune →Hardware overview
- 17:11, 17 April 2021 diff hist +69 m MiniTioune →Hardware overview
- 17:08, 17 April 2021 diff hist +208 m MiniTioune →Hardware overview: CQ-TV 269
- 17:02, 17 April 2021 diff hist +3 m MiniTiouner hardware Version 1 →Serit NIM Adapter card current
- 14:58, 17 April 2021 diff hist +97 m Serit LNB DC supply →LNB power supply with current limit for MiniTiouner current
- 14:56, 17 April 2021 diff hist +121 Serit LNB DC supply →LNB power supply with current limit for MiniTiouner: low voltage fault condition
- 12:07, 5 April 2021 diff hist +155 Willow components breakout card Portsdown 4 current
- 11:50, 5 April 2021 diff hist -16 Portsdown 4 GPIO Connections →List of GPIO connections: SR Pins
- 18:22, 14 February 2021 diff hist +184 m Portsdown 4 GPIO Connections →GPIO Connections for the Portsdown 4: 2 way RF switch
- 22:12, 8 February 2021 diff hist +2 m Portsdown 4 GPIO Connections →GPIO Connections for the Portsdown 4
- 22:04, 8 February 2021 diff hist +107 Portsdown 4 GPIO Connections →GPIO Connections for the Portsdown 4: link to gp io pcb page
- 21:54, 8 February 2021 diff hist +51 m Portsdown 4 GPIO Connections →GPIO Connections for the Portsdown 4
- 21:50, 8 February 2021 diff hist +75 Portsdown 4 GPIO Connections →RPi 4 GPIO pin out
- 21:45, 8 February 2021 diff hist +504 m Portsdown 4 GPIO Connections →GPIO Connections for the Portsdown 4: breakout board terminal block notes
- 18:05, 1 February 2021 diff hist +380 BATC Video Source Assembly link and 2 photos
- 17:47, 1 February 2021 diff hist +74 N File:Video source m0ydh2.jpeg Tripod mounted video source with output displayed on monitor current
- 17:44, 1 February 2021 diff hist +56 N File:Video source m0ydh1.jpeg Die cast box assembly of BATC video source current
- 16:29, 19 December 2020 diff hist +127 Portsdown 4 →Portsdown 4 GPIO connections: attenuator LE
- 18:59, 28 March 2020 diff hist +131 m Jetson Nano →Preparing the LKV373A HDMI Device: OpenTechLabs video
- 18:27, 15 January 2020 diff hist +377 m 70MHz filters BPF
- 18:11, 15 January 2020 diff hist +125 m 71 MHz →Equipment for 71MHz DATV: filters link to page
- 18:43, 13 January 2020 diff hist +187 70MHz filters LPF filter pics
- 18:39, 13 January 2020 diff hist +218 N File:4m LPF trace.jpg Today I made a low pass filter for 71 MHz per @G4GUO design in CQ-TV 260. It measured well. Ref level was -14 dBm with a 10dB PAD. So -2dBm loss. I haven't mastered normalizing the tracking generator yet current
- 18:37, 13 January 2020 diff hist +66 N File:4m LPF.jpg G4GUO 4m low pass filter design built by David M0YDH current
- 18:36, 13 January 2020 diff hist +2 70MHz filters
- 18:17, 13 January 2020 diff hist +831 71 MHz →Equipment for 71MHz DATV
- 18:03, 9 January 2020 diff hist +132 m RPi Test Card link to article current
- 18:53, 31 December 2019 diff hist +368 Jetson Nano →Preparing the LKV373A HDMI Device: putty settings for factory reset / webpage of IPTV server at completion.
- 18:47, 31 December 2019 diff hist +104 N File:IPTV server web page at completion.PNG The web page of the HDMI sender firmware after modification with the IPTV server firmware. current
- 18:42, 31 December 2019 diff hist 0 N File:PuTTy for HDMI sender reset.PNG current
- 13:27, 22 November 2019 diff hist +92 71 MHz →Receiver: video of upconverter in action
- 20:03, 16 November 2019 diff hist -1 437 MHz current
- 20:01, 16 November 2019 diff hist +4 437 MHz
- 20:01, 16 November 2019 diff hist +6 437 MHz
- 20:00, 16 November 2019 diff hist +67 437 MHz
- 19:58, 16 November 2019 diff hist +242 N File:Mini-kits amp pcb on Pentium P4 style heatsink and fan.jpg 437 MHz amplifier is shown nearing end of construction at M0YDH. Mini-kits UHF amp kit is mounted on the ex-computer heat sink. Their low-pass filter is inside the PCB box with the detector for the BATC bar graph display on top. current
- 19:24, 16 November 2019 diff hist +1,296 N 437 MHz 70CM AMPLIFIERS OPENING TEXT
- 18:32, 16 November 2019 diff hist +95 m 70MHz filters
- 18:29, 16 November 2019 diff hist +524 70MHz filters Further 4m filters
- 18:15, 16 November 2019 diff hist +273 Filters →Interdigital filters: VK3UM software new location current
- 20:29, 29 October 2019 diff hist +94 m The Portsdown Receiver
- 20:04, 29 October 2019 diff hist +79 m Portsdown 2019 →Advanced features: receiver
- 19:59, 29 October 2019 diff hist -6 m The Portsdown Receiver
- 19:56, 29 October 2019 diff hist +1 The Portsdown Receiver
- 19:56, 29 October 2019 diff hist +141 m The Portsdown Receiver
- 19:48, 29 October 2019 diff hist +181 The Portsdown Receiver Add photo of first received TV
- 19:42, 29 October 2019 diff hist +93 N File:LongMynd 1st pictures.jpg First Pi Cam TV received across the shack using the Long Mynd receiver software current
- 18:02, 28 October 2019 diff hist +307 Portsdown Displays →Recommended Display 2 - Waveshare 3.5 inch Type A: bloody things fail so you have to buy two of them
- 17:52, 6 October 2019 diff hist +75 ADF435x PIC →Using a Chinese Pickit 3 current
- 17:50, 6 October 2019 diff hist -1 ADF435x PIC →Using a Chinese Pickit 3
- 17:49, 6 October 2019 diff hist +178 ADF435x PIC PICKIT3 orientation
- 17:44, 6 October 2019 diff hist +51 ADF435x PIC →Using a Chinese Pickit 3
- 17:42, 6 October 2019 diff hist +98 N File:20191002 PICKIT3 FITTED TO PROJECT BOARD.jpg Picture shows the orientation of the board for in-circuit programming with a Pickit3 current
- 19:07, 21 September 2019 diff hist +50 m 71 MHz
- 20:33, 17 September 2019 diff hist +341 The Portsdown Receiver
- 20:20, 17 September 2019 diff hist +59 N File:M0YDH TERRESTRIAL RX MENU.jpg Terrestrial Rx menu - Portsdown 2019 by M0YDH current
- 20:17, 17 September 2019 diff hist +30 m The Portsdown Receiver QO-100 menu
- 20:14, 17 September 2019 diff hist +53 N File:M0YDH QO-100 Rx menu.jpg QO-100 Rx Menu -Portsdown 2019 by M0YDH current
- 19:21, 1 May 2019 diff hist +376 71 MHz →Receiver: EZ samples
- 11:33, 23 April 2019 diff hist +265 71 MHz →Receiver: mini-circuits sources
- 20:46, 13 April 2019 diff hist +111 Es'hail-2 LNBs and Antennaes →Suitable 25 MHz Reference current
- 20:31, 13 April 2019 diff hist +36 N File:20190413 163955 (Small).jpg Rear Panel - Portsdown 2019 by M0YDH current
- 20:29, 13 April 2019 diff hist +33 N File:20190413 M0YDH (Small).jpg A Portsdown 2019 DATV transmitter current
- 20:27, 13 April 2019 diff hist +54 N File:20190413 164004 (Small).jpg A Portdown 2019 Transmitter by M0YDH - 8 way RF switch current
- 20:26, 13 April 2019 diff hist +37 N File:20190413 180639 (Small).jpg A Portsdown 2019 transmitter by M0YDH current
- 20:22, 13 April 2019 diff hist +40 N File:20190413 180629 (Small).jpg Portsdown 2019 with 3.5" screen by M0YDH current
- 15:35, 3 February 2019 diff hist +391 23cms ATV →23cms FM ATV equipment: 3 other makes of FM transmitter current
- 13:26, 2 February 2019 diff hist +103 Using LimeSDR with Portsdown →WARNING - High Power Output During Calibration Before Transmit: video
- 12:48, 2 February 2019 diff hist +1 8-Band RF Output Switch →Version 2 PCBs
- 12:48, 2 February 2019 diff hist +89 m 8-Band RF Output Switch →Version 2 PCBs
- 12:45, 2 February 2019 diff hist +94 8-Band RF Output Switch →Version 2 PCBs: V2.3 assembled board pictures
- 12:41, 2 February 2019 diff hist +42 N File:20190201 182818-1008x756.jpg Underside of V2.3 8 band RF switch - M0YDH current
- 12:40, 2 February 2019 diff hist +40 N File:20190201 182759-1008x756.jpg 8 Band RF Switch V2.3 assembled by M0YDH current
- 18:42, 31 January 2019 diff hist +14 m Output Attenuator →RF Connections: or Lime SDR
- 19:11, 30 January 2019 diff hist +303 8-Band RF Output Switch →Version 2 PCBs
- 19:06, 30 January 2019 diff hist +76 8-Band RF Output Switch →Version 1 PCBs: New Parts List
- 18:47, 30 January 2019 diff hist +116 N File:8 BAND RF SWITCH V2.2 PARTS.xls 8 Band RF switch parts lists for Portsdown filter modulator V2.2 and alternatively Lime Mini SDR - V2.3 per CQ-TV262 current
- 21:55, 18 November 2018 diff hist +135 Mapping tools →Radio link and path software
- 21:52, 18 November 2018 diff hist +45 N File:Cleeve Common to Titterstone Clee Hill.JPG Screenshot of Microwave Path Profile by G0MJW current
- 21:34, 18 November 2018 diff hist +938 Mapping tools →Radio link and path software: G0MJW's path profile
- 18:19, 22 May 2018 diff hist +802 Mapping tools →Finding line of sight paths: Radio Mobile and MicroDEM
- 19:19, 7 May 2018 diff hist +34 m 23cms filters DB6NT LPF
- 19:11, 7 May 2018 diff hist +952 23cms filters DB6NT PCB 58 low pass filter
- 18:48, 7 May 2018 diff hist +66 N File:DB6NT 23cm low pass filter.jpg Michael Kühner's PCB number 58 is a LPF and coupler for 23cm band current