23cm aerial

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M0KPW
Posts: 29
Joined: Mon Mar 26, 2018 12:14 pm

23cm aerial

Post by M0KPW » Thu Jun 14, 2018 10:32 am

Hi,
Looking for suggestions for an aerial /dish for 23cm ATV.
Looking at either buying one or building one - don't mind either way.
Ideally something not too expensive as just looking to dabble at receiving 23cm ATV for now.

Any ideas / suggestions greatly appreciated.

Regards,
Chris M0KPW

g8vpg
Posts: 208
Joined: Fri Oct 11, 2013 9:35 am

Re: 23cm aerial

Post by g8vpg » Thu Jun 14, 2018 12:41 pm

Chris,
Have a look at the Wimo range from Germany.
73 Shaun.

G8JAN
Posts: 30
Joined: Mon Feb 25, 2008 7:12 pm

Re: 23cm aerial

Post by G8JAN » Sat Jun 30, 2018 7:30 pm

Chris have a look here http://www.w6ze.org/DATV/TechTalk99-DATV.pdf and also search for the original CQTV article by Paul G8GML.
I've been using two of these antennas one for TX one for RX for between 15 and 20 years. They are still up on the mast and working fine, better than any Yagi I ever tried! I use the 6 loop 4 bay design. It's really easy to make a bit of chicken wire, some square alloy tube, coax centre copper wire for the loops, plastic rawl plugs for standoffs. I bypassed the matching recommendations by finding suitable 4 port splitters at rallys. If you're into a bit of DIY You'll enjoy making one.
You could try just a single bay 5 loop to start with, there are no matching problems with it. Good luck.

G8JAN
Pete

M0YDH
Posts: 103
Joined: Sat Dec 31, 2016 5:59 pm

Re: 23cm aerial

Post by M0YDH » Fri Jul 06, 2018 8:45 pm

CQ-TV 258 page 34 seems to consist of a Sky dish, sanitary fittings and a bowtie aerial. Kevin G7VNP looks to have been ingenious. I'll have a go once the VNA arrives from China. And I've acquired a scrap dish.

73
David M0YDH

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