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  1. Thread: diamond x50a

    by 5B4AJB
    Replies
    1
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    360

    Most of the gain you will get from the X50 is in...

    Most of the gain you will get from the X50 is in the use of better coax, plus the height gain.
    Here's a height/horizon calculator, have a play to understand how antenna height affects your horizon....
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    486

    That's a great project, together with an audio...

    That's a great project, together with an audio amplifier - very practical.
    I helped a budding ham build a TRF trancseiver kit which needed a seperate audio amp.
    We used a scavenged TDA-type audio...
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    384

    Here (https://www.sigidwiki.com/wiki/FT8) is the...

    Here is the wiki explanation, it says the bandwidth necessary is 50Hz, whereas a CW could, theoretically, be narrower at 1Hz.
    I have personally not used WSPR, but it looks like a system like RTTY...
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    881

    You could try laplink if your XP machine has a...

    You could try laplink if your XP machine has a serial port, transfer the files over that way, otherwise, try an ethernet PCMCIA card?
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    966

    lay down some nice, expensive coax?

    lay down some nice, expensive coax?
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    429

    You might need to enable CTCSS, check with the...

    You might need to enable CTCSS, check with the local group/web for the tone frequency...
  7. Replies
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    818

    I'll bet those are imports, try with a known...

    I'll bet those are imports, try with a known brand...
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    1,552

    speaking of batteries, connect your rig to one...

    speaking of batteries, connect your rig to one and see if it reduces your noise level...
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    948

    Welcome! - post away!

    Welcome! - post away!
  10. are we allowed to write a program to work this...

    are we allowed to write a program to work this out?
  11. Thread: yeausu ft8900

    by 5B4AJB
    Replies
    10
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    1,088

    also, just because it's a Yaesu mic into a Yaesu...

    also, just because it's a Yaesu mic into a Yaesu radio, with the right connector on it, doesn't mean it's wired right - I still reckon' you have a loose wire...
  12. Thread: yeausu ft8900

    by 5B4AJB
    Replies
    10
    Views
    1,088

    Do you mean the microphone buttons? Maybe it's...

    Do you mean the microphone buttons?

    Maybe it's a mic problem, open it and check all the wires for continuity...
  13. Thread: Hi all

    by 5B4AJB
    Replies
    2
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    661

    welcome to the fray!

    welcome to the fray!
  14. Replies
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    1,552

    Most likely ADSL or switch-mode power supplies -...

    Most likely ADSL or switch-mode power supplies - welcome to the 21st century :/
  15. Welcome! you should be OK with your background,...

    Welcome! you should be OK with your background, not done any HHT digital myself, but from what I gather, there's a lot of setting up...
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    1,203

    It might be worth starting with a Software...

    It might be worth starting with a Software Defined Radio, before you take the plunge and go "all in".

    They can be as cheap as $15 - $150 will get you a good one nowadays, such as the HackRF1...
  17. Thread: Wind mill

    by 5B4AJB
    Replies
    10
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    1,073

    Mechanical noise might translate to electrical...

    Mechanical noise might translate to electrical noise...
  18. Thread: h

    by 5B4AJB
    Replies
    1
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    975

    HRS-4160A-H9 L150

    HRS-4160A-H9 L150
  19. Thread: The lovely C.B.

    by 5B4AJB
    Replies
    32
    Views
    4,950

    I remember setting one up for a mate and being...

    I remember setting one up for a mate and being amazed how good it was.

    Lost many an antenna from the roof of the car overnight until I drilled a hole in the middle of the roof and fitted an SO239...
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    1,028

    Those Vernier scales are quite rare, as well as...

    Those Vernier scales are quite rare, as well as the coil formers - granted, they are kind of specialist items.

    I would auction the dials separately on ebay. (not really, I'd use them, you can't...
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    Some hard-to-get parts are beginning to command a...

    Some hard-to-get parts are beginning to command a premium, check prices on ebay!
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    884

    A frequency counter! (check on ebay)

    A frequency counter! (check on ebay)
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    884

    A frequency counter (look on ebay)!

    A frequency counter (look on ebay)!
  24. Thread: Antenna Helpp

    by 5B4AJB
    Replies
    9
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    1,103

    Sounds like a conductivity thing, maybe moisture...

    Sounds like a conductivity thing, maybe moisture is getting in somewhere?

    It could also be something to do with the ground under the antenna (moisture content).

    A low SWR doesn't always mean...
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    769

    Antenna height. If you're serious about...

    Antenna height.

    If you're serious about mounting an antenna up high for VHF, you will need good coax. Avoid RG213 for runs over about 20-30 feet, it just isn't good enough for VHF.
    Whilst you...
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