Yes, it is larger than the OEM supplied by Arrow, however, the loss is considerably less. I'll trade that any day! :) I connected it directly to the radio's input using a double male adaptor, male N connector to male PL-259. No coax between the radio and diplexer.
73,
Jeff WB3JFS
----- Original Message ----- From: "James Duffey" jamesduffey@comcast.net To: "Bruce Robertson" ve9qrp@gmail.com Cc: "James Duffey" jamesduffey@comcast.net; "Jeff Yanko" wb3jfs@cox.net; "AMSAT-BB" amsat-bb@amsat.org Sent: Friday, September 25, 2009 8:20 AM Subject: Re: [amsat-bb] Re: Arrow antenna reconfiguration results - UPDATE
On Sep 25, 2009, at 7:53 AM, Bruce Robertson wrote:
- If I'm correct, your replacement duplexer is rather larger than the
one it is replacing. It would be a great topic for a Journal article if someone with the necessary equipment and expertise were to design a replacement with less loss.
There is a diplexer that is easy to make and has good performance in this article:
< http://www.wa5vjb.com/references/Cheap%20Antennas-LEOs.pdf >
As a bonus you get details on how to build your own handheld antenna for LEO Satellites. - Duffey