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- 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