User contributions

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• 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

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