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  1. Replies
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    865

    Hi Tim, The proof of the pudding is in the...

    Hi Tim,

    The proof of the pudding is in the eating!

    Just cut your antenna to size, use it and see how it works. You may then get into antenna analysers, SWR meters etc. and learn as you go...
  2. Makeshift Square Loop Antenna for a Crystal Radio

    A heavy 2 m x 2 m floor-standing wooden showcase in the shack appeared to be suitable as a frame for a crystal radio loop antenna. As luck would have it, the lone 20 km distant 612 kHz, 200 kW AM...
  3. Thread: Tuning

    by vu2nan
    Replies
    25
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    25,604

    Here's 'why & how I used a dummy load'! ...

    Here's 'why & how I used a dummy load'!

    https://nandustips.blogspot.com/2011/02/handy-1-kw-hf-dummy-load.html

    73,

    Nandu.
  4. Replies
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    161,350

    Here's a view of my vintage shack! 1043 73,...

    Here's a view of my vintage shack!

    1043

    73,

    Nandu.
  5. Thread: My QSL Cards

    by vu2nan
    Replies
    5
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    1,800

    Thanks, OM Phil. 73, Nandu.

    Thanks, OM Phil.

    73,

    Nandu.
  6. Thread: My QSL Cards

    by vu2nan
    Replies
    5
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    1,800

    Thank you very much, Armstead. Regards, ...

    Thank you very much, Armstead.

    Regards,

    Nandu.
  7. Replies
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    1,154

    Hi OM Camerart, Measure actual length on one...

    Hi OM Camerart,

    Measure actual length on one side (assuming both sides are equal!) = L

    Length to be trimmed on each side = L x [1 - (6.66/7.1)]

    It would be wise to follow Obed's advice - 'a...
  8. Thread: Guy pole?

    by vu2nan
    Replies
    4
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    1,219

    Hi OM Iain, OM Joe's mast application is not...

    Hi OM Iain,

    OM Joe's mast application is not known!

    73,

    Nandu.
  9. Thread: Guy pole?

    by vu2nan
    Replies
    4
    Views
    1,219

    Hi OM Joe, Your idea to use a push-brace pole...

    Hi OM Joe,

    Your idea to use a push-brace pole on the south side is feasible. A brace of the same material as the mast would do. A clamp at the foot of the mast would also help.

    73,

    Nandu.
  10. Replies
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    1,545

    With identical diodes and trimmer adjustment it...

    With identical diodes and trimmer adjustment it would be possible to make the meter read the same both ways.

    73,

    Nandu.
  11. Replies
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    5,739

    In the late 1970's I could work the Americas from...

    In the late 1970's I could work the Americas from India on 20m CW with a homebrew tube QRP (15W DC input) and an inverted vee antenna. Low band noise was a key factor.

    73,

    Nandu.
  12. Replies
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    2,243

    Nice website, OM Arnaldo! 73, Nandu.

    Nice website, OM Arnaldo!

    73,

    Nandu.
  13. Thread: Hi!

    by vu2nan
    Replies
    0
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    633

    Hi!

    Hi,

    My name is Nanda Kumar ( Call sign VU2NAN, Handle - Nandu) and I've been a ham since 1977.

    Been tinkering with electronics for the past 50 years.

    Looking forward to chew the rag with...
  14. Replies
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    2,213

    I've used telephone drop wire! ...

    I've used telephone drop wire!

    https://nandustips.blogspot.com/2011/02/low-cost-dipole-antenna-for-hf-qrp-rigs.html

    73,

    Nandu.
  15. Replies
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    1,668

    Hi OM Robert, That's at the other end of the...

    Hi OM Robert,

    That's at the other end of the spectrum!

    73,

    Nandu.
  16. Replies
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    1,668

    Thanks for the info, Dem. I'm not on Facebook,...

    Thanks for the info, Dem. I'm not on Facebook, though.

    Warm regards,

    Nandu.
  17. Replies
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    1,668

    My pleasure, OM Phil. A similar book started...

    My pleasure, OM Phil.

    A similar book started me off in the mid-nineteen sixtees.

    Recently nostalgia took over and I delved deeper!

    73,

    Nandu.
  18. Replies
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    1,668

    My Crystal Radio Pages

    Here's the schematic of my first crystal radio.

    https://2.bp.blogspot.com/--Q6TjkXTkBM/UNf5ny2xO-I/AAAAAAAADkU/j51fH8a4qsM/s1600/untitled.JPG

    View more in my 'Crystal Radio' pages at
    ...
  19. Thread: My QSL Cards

    by vu2nan
    Replies
    5
    Views
    1,800

    Here's a better link. ...

    Here's a better link.

    https://nandusthoughts.blogspot.com/search?updated-min=2012-01-01T00:00:00%2B05:30&updated-max=2013-01-01T00:00:00%2B05:30&max-results=31

    73,

    Nandu.
  20. Replies
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    My Amateur Radio Blog

    Please do check out my blog at

    http://nandustips.blogspot.com

    73,

    Nandu.
  21. Thread: My QSL Cards

    by vu2nan
    Replies
    5
    Views
    1,800

    My QSL Cards

    My QSL Cards may be viewed here.

    http://nandusthoughts.blogspot.com/p/qsl-cards.html

    73,

    Nandu.
  22. Replies
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    1,578

    Could be as minimal as this! ...

    Could be as minimal as this!

    https://1.bp.blogspot.com/-c-jYSRK5n_E/UNf3659jEmI/AAAAAAAADj4/HkatK4x51Io/s200/untitled.JPG

    More at

    https://nandustips.blogspot.com/p/author-profile.html

    73,
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