Search:

Type: Posts; User: Pee Dee

Search: Search took 0.02 seconds.

  1. Replies
    2
    Views
    337

    k5dh 807 cw tx

    Thanks Brandon for ideas. Not exactly what I want as you say, but useful.
    Peter G0JJI
  2. Replies
    2
    Views
    337

    K5DH 807 valve tube transmitter

    Hi
    I am building the above transmitter, and as it is rock bound I may wish to build a VFO to go with it, a tube vfo of course. Can anyone help with a schematic of a suitable vfo for this rig....
  3. Replies
    0
    Views
    303

    K5DH 807 valve tube transmitter

    Hi all
    One for the vintage hams - I have just built a transmitter using 6AG7 and 807 tubes and have following power supply query:
    The power supply I have is a Yaesu FP200 for the FT200...
  4. Replies
    2
    Views
    1,422

    Hi Snakyjake I have just made the portable...

    Hi Snakyjake
    I have just made the portable version with 300 ohm twin feed as per instructions, but I can't get the swr below 1.7, and that's up 30ft in the clear. It's true, anything conductive or...
  5. Thread: swr problems

    by Pee Dee
    Replies
    6
    Views
    1,288

    Ok thanks phil. I have sorted problem now, as...

    Ok thanks phil. I have sorted problem now, as usual a simple thing, a badly made pl259 to BNC converter, to much exposed wire between connections. Remade it better and all fine now, a proper...
  6. Thread: swr problems

    by Pee Dee
    Replies
    6
    Views
    1,288

    Ok roger on the coax, I can improve on that, but...

    Ok roger on the coax, I can improve on that, but would still like a better swr. Might try a choke at 5 or 10M.
    Pee Dee
  7. Thread: swr problems

    by Pee Dee
    Replies
    6
    Views
    1,288

    Ok thanks. I did that, replaced top two sections...

    Ok thanks. I did that, replaced top two sections with bamboo cane, but still swr of 2. So will probably play about with coax length, maybe a choke at 10M.
    Pee Dee
  8. Thread: swr problems

    by Pee Dee
    Replies
    6
    Views
    1,288

    swr problems

    Hi
    I have made a 2 meter slim jim from ladder line, and it works well hanging from the upstairs ceiling in the landing. Can work all the Poole Radio Society members in the area with 10 watts on the...
  9. Thread: keyer

    by Pee Dee
    Replies
    0
    Views
    989

    keyer

    Hi all
    Can someone help with this? My CM Howes, 80's vintage, keyer is playing up. Dots coming out as dashes and dashes dragging out to make long ones.
    I can only assume it is rf getting in. I...
  10. Replies
    4
    Views
    1,359

    Hi Paulears Have changed lead from keyer to tx...

    Hi Paulears
    Have changed lead from keyer to tx to coax and problem solved.
    Thanks your help
    regards
    Pee Dee
  11. Replies
    4
    Views
    1,359

    Hi paulears ok thanks for that, something to get...

    Hi paulears
    ok thanks for that, something to get on with. I think the paddle to keyer lead is screened, but the keyer is in plastic box. So can rectify that. And a few ferrites might help too....
  12. Replies
    4
    Views
    1,359

    paddle problems

    Hi all,
    Having a strange problem with my paddle, wonder I anyone has any ideas.
    When transmitting on power more than about 20 watts the dah's get "stuck". The odd dah is elongated, the dits work...
  13. Replies
    2
    Views
    1,841

    getting started on psk31 and rtty

    Hi there
    I would like to get started on psk and rtty.
    My set up is: transceiver - vintage Yaesu FT101E and a laptop with the only com port which is mic in and phones out and usb.
    As I see it...
  14. Replies
    1
    Views
    1,345

    Drew Diamond "Simple Superhet RX"

    Hi All
    I wonder if anyone is familiar with the above RX. The "Simple RX" is by Drew Diamond VK3XU and is published in the G-QRP-C publication Radio Projects volume 4.
    I have just built this RX and...
  15. Replies
    0
    Views
    1,004

    Sudden transmitter

    Hi all
    Thinking of building the Sudden 40m transmitter, by George Dobbs G3RJV, but as it is rockbound, I wonder can somebody supply a design for a suitable VFO that will work with this tx?
    Thanks...
  16. Replies
    7
    Views
    2,293

    Yep, it was the battery, only 5v! Now working...

    Yep, it was the battery, only 5v! Now working with 9v supply. Thanks
    Peter
  17. Replies
    7
    Views
    2,293

    Dem thanks your advice, have rigged up 9v supply...

    Dem
    thanks your advice, have rigged up 9v supply and it works perfectly, well, as perfect as a DC RX can work anyway.
    Peter
  18. Replies
    7
    Views
    2,293

    sudden problems

    Phil
    thanks for reply. I tried it with PP3 battery which I assumed would be fine as it is designed to operate with one, but I can try with a 9v voltage regulator in the circuit, which was my...
  19. Replies
    7
    Views
    2,293

    sudden problems

    Ok thanks 5B4AJB. Have checked correct placement and wiring of components but haven't checked values, a possibility there. My task for today! I tried it with a 9v battery.
    Pee Dee
  20. Replies
    7
    Views
    2,293

    Sudden receiver

    Hi I have just built the Sudden receiver for 40m "Manhattan" style and it keeps crashing. I have checked and re-checked my connections and soldering and can find nothing wrong. When I connect up...
Results 1 to 20 of 20