Re: [Drakelist] NB-4

2011-10-12 Thread Garey Barrell
Charles - Vary simple, no equipment needed. Connect a clip lead to the receiver antenna. Set the AVC to FAST. Drag the other end of the clip lead along a metal surface, the chassis of the receiver works fine, or anything grounded and uninsulated. The S Meter will jump all over the place

[Drakelist] NB-4

2011-10-11 Thread Charles Ring
I suspect the noise blanker in my R-4C is not working. How can I definitively test it? 73 de W3NU ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist

Re: [Drakelist] NB-4

2011-10-11 Thread Jim Shorney
On Tue, 11 Oct 2011 23:27:24 -0400, Charles Ring wrote: I suspect the noise blanker in my R-4C is not working. How can I definitively test it? I have tested noise blankers in the past by wiring up a relay to a variable power supply through one of it's own normally closed contacts to make it