davelx's latest activity

  • davelx
    davelx replied to the thread Phone Cable Question.
    GPON is a form of WDM. It uses one lamda each way on the "last mile" with up to 1:32 splitters using 1290-1330nm upstream and...
  • davelx
    davelx replied to the thread Phone Cable Question.
    There are standards governing the wavelengths used, so I would think (I retired just as this technology was being rolled out into...
  • davelx
    davelx replied to the thread Phone Cable Question.
    Yes, indeed. I'm referring to the in-street cab PoPs (Point of Presence), which take the exchange trunk and split down to multiple PoCs...
  • davelx
    davelx replied to the thread Phone Cable Question.
    The splitters don't just split, they do WDM mux and demux.
  • davelx
    davelx replied to the thread Phone Cable Question.
    Passive optical splitters. It's very clever technology.
  • davelx
    The Electricity Act 1898 required that meters are certified for a finite lifetime and in domestic premises must be replaced when that...
  • davelx
    davelx replied to the thread 198 kHz qrt.
    The second set has a mixer oscillator that runs 465kHz (the IF) offset from the frequency being received, to create the IF signal which...
  • davelx
    davelx replied to the thread 198 kHz qrt.
    My dad and I used to listen in to SSB transmissions placing a second, superhet receiver close to the main receiver, tuned so that it's...
  • davelx
    Some interesting info here: https://www.victronenergy.com/upload/documents/Datasheet-MultiPlus-48V-20k-EN-.pdf I believe Erik is...
  • davelx
    I beg to differ:
    • 20260618_175218.jpg
  • davelx
    davelx reacted to JohnW2's post in the thread Community Hall with Thanks Thanks.
    True, but as I always say to people who moan about their getting old, and the consequences thereof .... there's only one alternative to...
  • davelx
    davelx reacted to SUNRAY's post in the thread Community Hall with Thanks Thanks.
    ✔ Oh dear what a sad lot we are and I'm so in that group too.
  • davelx
    davelx replied to the thread Community Hall.
    Yes, me too!
  • davelx
    Opps is mistaken. 2 and 5 are line. 3 is bell and not required by modern phones. https://telephonesuk.org.uk/wiring-info/
  • davelx
    davelx replied to the thread Lane Assist.
    When I first had my ID4 the lane assist was vicious and couldn't tell the difference between the centre line and a bus stop marking. On...
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