Tom and All, I also use phono connectors on some older radios. I'd prefer to substitute BNC connectors but I don't want to modify the equipment.
What I find helpful is to squeeze the shell of the plug so that it will fit tightly on the female receptacle and cover the shell with heat shrinkable tubing so that the pressure is always applied to the connection. Mike N2MS. ----- Original Message ----- From: Tom W8JI <[email protected]> To: [email protected] Sent: Fri, 13 Jul 2012 16:08:18 -0000 (UTC) Subject: Re: Topband: Mother of all ferrite common-mode coaxial chokes <snip> Because I use phono plugs that really have improper shield grounding integrity, and sometimes the pressure connections add a tiny bit of unwanted shield impedance to the groundplane of "the box entrance", I use high impedance beads on these particular cables. I also, as a practice, keep an eye on those connectors. I use those connectors by necessity, because several of my radios use phono plugs for external antenna ports, and there is no easy way to change connectors. _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
