Page 1 of 1

LIGHTWEIGHT SCANNING ANTENNA WANTED.

Posted: 09 May 2018, 09:42
by WARLOCK
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,

Re: LIGHTWEIGHT SCANNING ANTENNA WANTED.

Posted: 09 May 2018, 12:08
by ch25
https://www.eham.net/articles/8808 will cover 100-200MHz and 400-500 easily. Made with copper wire will be lightweight.
Chris

Re: LIGHTWEIGHT SCANNING ANTENNA WANTED.

Posted: 09 May 2018, 14:20
by WARLOCK
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 ????

Re: LIGHTWEIGHT SCANNING ANTENNA WANTED.

Posted: 09 May 2018, 14:44
by ch25
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

Re: LIGHTWEIGHT SCANNING ANTENNA WANTED.

Posted: 09 May 2018, 17:39
by WARLOCK
Thanks Chris, please could you make a drawing ,

Re: LIGHTWEIGHT SCANNING ANTENNA WANTED.

Posted: 09 May 2018, 19:11
by ch25
Drawing attached.
Water pipe I meant gray, PVC, stiff pipe :)

Re: LIGHTWEIGHT SCANNING ANTENNA WANTED.

Posted: 09 May 2018, 21:11
by WARLOCK
Thanks Chris,