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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
