DATV ⁽¹⁾

The reason I moved the dish was, as explained in part 1 partyl due to me wanting to send and receive DATV. Having sorted out the receive parts for the narrowband transponder the next step was to set up to receive the wideband one. the LNB was originally a 4-port device which has been modified to take an external 25MHz sinewave input on one of the ports thus leaving three free. I ran three runs of RG59 from the shack, one for the 25MHz feed and two for reception. So it was relatively easy to use the second of these to receive DATV. I already had a Winterhill DATV receiver (see https://wiki.batc.org.uk/WinterHill_Receiver_Project ) and documentation for this shows how to configure it for QO100 use using two of its inputs, leaving the other two free for other purposes. A splitter combines the two 'top' ports, feeding power from the first port. With the Winterhill set up to send 18V it flips that LNB receiver to the right polarisation for the wideband transponder. QED. And it just works. I did have to fiddle with settings because when I got the Winterhill I experimented with remote access so when turned on it…