Re: [time-nuts] Poor man's choke ring

2010-03-25 Thread Robert Atkinson
bruce.griffi...@xtra.co.nz wrote: From: Bruce Griffiths bruce.griffi...@xtra.co.nz Subject: Re: [time-nuts] Poor man's choke ring To: Discussion of precise time and frequency measurement time-nuts@febo.com Date: Thursday, 25 March, 2010, 1:18 Neville Michie wrote: If I understand the choke ring

Re: [time-nuts] Poor man's choke ring

2010-03-25 Thread Bill Janssen
: Re: [time-nuts] Poor man's choke ring To: Discussion of precise time and frequency measurement time-nuts@febo.com Date: Thursday, 25 March, 2010, 1:18 Neville Michie wrote: If I understand the choke ring antenna it is to remove signals propagating across the ground plane. Now

[time-nuts] Poor man's choke ring

2010-03-24 Thread Neville Michie
If I understand the choke ring antenna it is to remove signals propagating across the ground plane. Now if there was a very lossy layer on the ground plane any signals propagating across it would be attenuated. For instance, if you find a plastic that melts in your microwave, a sheet of that

Re: [time-nuts] Poor man's choke ring

2010-03-24 Thread Bruce Griffiths
Neville Michie wrote: If I understand the choke ring antenna it is to remove signals propagating across the ground plane. Now if there was a very lossy layer on the ground plane any signals propagating across it would be attenuated. For instance, if you find a plastic that melts in your