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- 19:30, 8 December 2022 diff hist +495 Assembling Portsdown front panel model link
- 19:22, 8 December 2022 diff hist +367 N File:Portsdown 3 Front Panel.zip Here is a .DXF file and a .stp model to load into your CAD software. It is for a 19 inch rack 3U front panel for a Portsdown 2019 with 7" Screen mounted in a G4XAT bezel. Probably the engraving will fail to load. It will import into Front Panel Designer from Schaeffer. STEP files are neutral format CAD models so ought to load into any 3D CAD software. current
- 19:24, 9 September 2022 diff hist +104 71 MHz →Equipment for 71MHz DATV: cost of a converter system current
- 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