LIGHTWEIGHT SCANNING ANTENNA WANTED.

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WARLOCK
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LIGHTWEIGHT SCANNING ANTENNA WANTED.

Post by WARLOCK » 09 May 2018, 09:42

What i am looking for is a lightweight base antenna to put up on a 12mt HD fibreglass telescopic spiderpole , The scanner i will be using is a uniden ubc785xlt any thoughts please,

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ch25
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Re: LIGHTWEIGHT SCANNING ANTENNA WANTED.

Post by ch25 » 09 May 2018, 12:08

https://www.eham.net/articles/8808 will cover 100-200MHz and 400-500 easily. Made with copper wire will be lightweight.
Chris
You can't have too many antennas...

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Re: LIGHTWEIGHT SCANNING ANTENNA WANTED.

Post by WARLOCK » 09 May 2018, 14:20

Hi Chris, am i right in saying to build this antenna ( open sleeve dipole ) i will need 2 x 49.3cm=19 1/2 inch 1 up and 1 down ? what do i do with the 2 x 31.6 cm=12 1/2 inch sleeve elements ??? how are they atatched ect ????

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ch25
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Re: LIGHTWEIGHT SCANNING ANTENNA WANTED.

Post by ch25 » 09 May 2018, 14:44

Sleeve elements must be insulated from main (49.3cm). Not connected to main, just parallel to it in proper distance. When I built mine I used plastic water pipe. Make 2 spacers, drill holes in it.
I can draw later how it could be done.
Chris
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WARLOCK
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Re: LIGHTWEIGHT SCANNING ANTENNA WANTED.

Post by WARLOCK » 09 May 2018, 17:39

Thanks Chris, please could you make a drawing ,

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ch25
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Re: LIGHTWEIGHT SCANNING ANTENNA WANTED.

Post by ch25 » 09 May 2018, 19:11

Drawing attached.
Water pipe I meant gray, PVC, stiff pipe :)
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You can't have too many antennas...

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WARLOCK
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Re: LIGHTWEIGHT SCANNING ANTENNA WANTED.

Post by WARLOCK » 09 May 2018, 21:11

Thanks Chris,

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