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Type: Posts; User: VY0AW

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  1. Replies
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    I think you ought to read the OP's first post. I...

    I think you ought to read the OP's first post. I take it he wants to use a lithium jump-starter battery pack. No lead-acid battery concerns, starting vs deep-cycle, etc., etc.

    He is right that the...
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    66,802

    A friend just fixed up for me a Raspberry PI with...

    A friend just fixed up for me a Raspberry PI with a small hard drive attached, loaded with hi-def TV shows.

    Now I'm wondering what kind of use I can put another RP to for ham radio.

    Does anyone...
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    If reliable communications in the event of a...

    If reliable communications in the event of a personal emergency is your primary goal, then ....I'm going to go against the grain here and suggest that maybe ham radio should not be your preferred...
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    All the HF marine antennas that I've used were...

    All the HF marine antennas that I've used were verticals. A backstay would also be classed as a vertical. They ALL need a ground-plane. In the case of a steel or aluminum hull the hull itself...
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    3,164

    Well, I found a good program by VE3NEA, available...

    Well, I found a good program by VE3NEA, available at:

    http://www.dxatlas.com/DxAtlas/

    It does a whole bunch of things besides grid squares. It's shareware, good for 30-days and then you have to...
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    3,164

    I have noticed that the JT65-HF program has a map...

    I have noticed that the JT65-HF program has a map built-in but `under development`.
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    3,164

    Interactive Grid Square Map

    Does anyone make software that will display a world map on the computer screen with grid squares which you could "high-light" as they are worked?

    I'm trying out JT65 and such a map would help keep...
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    189,665

    My remote cabin/ham shack is: 110 miles from the...

    My remote cabin/ham shack is: 110 miles from the nearest human being, 375 miles from the nearest highway and 200 miles from the nearest high-tension power line.

    I have no noise, except for the...
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    Here's my two cents. 1) It sounds like you've...

    Here's my two cents.

    1) It sounds like you've built a simple dipole (not a folded dipole).

    2) Your dipole will be a "reasonable", but not "perfect" match for 50-ohm coax.

    3) Ditch the four...
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