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- 17:19, 9 September 2022 diff hist +255 Portsdown hardware →Optional RPi camera Extension Lead Kit: Pimoroni is the only possible stockist
- 14:07, 12 August 2022 diff hist +15 m 71 MHz →Antennas
- 14:03, 12 August 2022 diff hist +105 71 MHz →Antennas: 6m url too
- 14:02, 12 August 2022 diff hist -20 71 MHz →Antennas: revised URL
- 13:46, 12 August 2022 diff hist +602 71 MHz →Receiver: M0YDH upconverter number 2
- 13:31, 12 August 2022 diff hist +177 m Portsdown 2018 →Portsdown 2018 User guide current
- 13:29, 12 August 2022 diff hist +169 m Portsdown 2018 P2018 works reliably
- 13:21, 12 August 2022 diff hist +35 Assembling Portsdown →Mechanical Design
- 13:20, 12 August 2022 diff hist +644 Assembling Portsdown →Mechanical Design: P2018 on 2 sides of a PCB
- 13:01, 12 August 2022 diff hist +404 Assembling Portsdown →Mechanical Design: 3U 19 inch rack case
- 12:55, 12 August 2022 diff hist +152 N File:P2020 M0YDH 04.jpg OTHER SIDE OF P2018 CARD MOUNTS THE RF SWITCHES AND ATTENUATOR. A 25 WAY D SOCKET MAKES THE OFF BOARD CONNECTIONS TO THE PI BREAKOUT BOARD current
- 12:53, 12 August 2022 diff hist +99 N File:P2020 M0YDH 03.jpg PORTSDOWN 2018 MAIN CIRCUIT CARDS MOUNTED ON A PLAIN PCB FOR FITTING IN A 3U 19" RACK current
- 12:52, 12 August 2022 diff hist +110 N File:P2020 M0YDH 02.jpg PORTSDOWN 2020 UNDER CONSTRUCTION IN A 3 U 19" RACK CASE 2 WAY SWITCH, ATTENUATOR, 4 WAY SWITCH current
- 12:50, 12 August 2022 diff hist +70 N File:P2020 M0YDH 01.jpg PORTSDOWN 2020 UNDER CONSTRUCTION IN A 3 U 19" RACK CASE current
- 12:49, 12 August 2022 diff hist +50 N File:M0YDH Upconverter.jpg 71MHz UPCONVERTER LAID OUT ON A CARD current
- 17:56, 14 October 2021 diff hist +148 m QO100 DATV Users m0ydh & g8vzt added
- 18:05, 29 September 2021 diff hist +73 m PE4302 current
- 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