tag:blogger.com,1999:blog-9071048343455395511.post768369042047364097..comments2024-03-24T22:03:31.205+00:00Comments on Roger G3XBM's (Mainly) Amateur Radio Blog: Improved QRSS30 beacon on 137.769kHzRoger G3XBMhttp://www.blogger.com/profile/13673890140751539870noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-9071048343455395511.post-85038599136793477472011-09-02T21:55:31.046+01:002011-09-02T21:55:31.046+01:00Casey - the antenna used is a vertical loop (32/0....Casey - the antenna used is a vertical loop (32/0.2mm wire) in the back garden with an area of around 80sq m. The plan is to double the wire thickness to halve the losses and gain another 3dB in ERP (some time).<br /><br />Tony - yes a large vertical Marconi would increase the ERP considerably. From home my space is very limited and the loop is probably a good solution when there are lots of trees around.Roger G3XBMhttps://www.blogger.com/profile/13673890140751539870noreply@blogger.comtag:blogger.com,1999:blog-9071048343455395511.post-57905795169350460842011-09-02T10:17:05.545+01:002011-09-02T10:17:05.545+01:00Not much L.F experimenting at the moment, started ...Not much L.F experimenting at the moment, started playing around with <br />four metres.Built your 4 metre converter circuit and starting soon on a 4 metre DSB transmitter.<br />TonyAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-9071048343455395511.post-82400213022030620622011-09-02T07:54:29.789+01:002011-09-02T07:54:29.789+01:00I like the the ugly construction.
My method is to ...I like the the ugly construction.<br />My method is to cut strips of vero board into small pads and glue it to the coper side of the PCB. I wonder what results you would get if you used a kite aerial out on the fens with a good grounding rod.<br /><br />TonyAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-9071048343455395511.post-91721191358833562492011-09-01T23:55:53.376+01:002011-09-01T23:55:53.376+01:00*micro* Watts! Wow! What is your antenna?*micro* Watts! Wow! What is your antenna?Casey Bahrhttps://www.blogger.com/profile/01638230726171327005noreply@blogger.com