Testing a HamTV Receiver using the Portsdown

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The Portsdown 4 system can be set to transmit a near-HamTV specification signal from a Pluto SDR on boot-up.

Equipment Required

  • Raspberry Pi 4 with 1, 2 or 4 GB of memory. Not any other Raspberry Pi version.
  • A power supply for the Raspberry Pi.
  • A fast MicroSD Card of 8 GB or more capacity. SanDisk Ultra UHS-1 card recommended (the red one).
  • A genuine Analog Devices Pluto SDR with USB lead.
  • A PC for use during the set-up phase, with a MicroSD card reader and a network and internet connection.
  • A wired network connection for the Raspberry Pi during setup.

SD Cards.jpg

Setup Activities

  1. Configure the Pluto
  2. Load the operating system on the SD Card
  3. Run the automated build script on the SD Card
  4. Use a web browser to configure the Portsdown software to the correct settings

After these steps, the Pluto will start transmitting a 2 MS DVB-S signal on 2395 MHz every time the system is started up.

Configuring the Pluto

Loading the Operating System on the SD Card

Running the Build Script

Configuring for automatic transmission on 2395 MHz

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