Re: [time-nuts] WWVB phase modulation test April 15-16

2012-04-12 Thread Hal Murray
Just the T and a DC block. 1/4 wave at 60 kHz is far, far longer than any cable you have. This is time-nuts. Somebody is likely to do something most of us would consider, well, nutty. It's probably reasonable to make a lumped-circuit approximation of a long transmission line at 60 KHz or

Re: [time-nuts] WWVB phase modulation test April 15-16

2012-04-12 Thread Azelio Boriani
I have a couple of BNC-to-scope_probe adapters... On Thu, Apr 12, 2012 at 9:56 AM, Hal Murray hmur...@megapathdsl.net wrote: Just the T and a DC block. 1/4 wave at 60 kHz is far, far longer than any cable you have. This is time-nuts. Somebody is likely to do something most of us would

Re: [time-nuts] WWVB phase modulation test April 15-16

2012-04-12 Thread Charles P. Steinmetz
Hal wrote: How many of you have used the Tek scope-probe to BNC adapter? I tried a bit but couldn't find anything on the web. The idea was (roughly) that you put a BNC Tee in the line you wanted to watch and this magic gizmo on the Tee. I have some. I don't use them often, but they are

Re: [time-nuts] WWVB phase modulation test April 15-16

2012-04-11 Thread Jim Hickstein
For this test coming up, I really want to get both my Spectracom devices, 8164 and 8170, going at the same time, if only to see that they both go crazy exactly on time, yet I'm too lazy to install the second 8206 antenna in a decent location. Do I need a power splitter to do this? Over at

Re: [time-nuts] WWVB phase modulation test April 15-16

2012-04-11 Thread J. Forster
Just the T and a DC block. 1/4 wave at 60 kHz is far, far longer than any cable you have. -John == For this test coming up, I really want to get both my Spectracom devices, 8164 and 8170, going at the same time, if only to see that they both go crazy exactly on time, yet

Re: [time-nuts] WWVB phase modulation test April 15-16

2012-04-11 Thread paul swed
John hit the nail on the head. I have done that for both wwvb and loran c. On Wed, Apr 11, 2012 at 9:47 PM, J. Forster j...@quikus.com wrote: Just the T and a DC block. 1/4 wave at 60 kHz is far, far longer than any cable you have. -John == For this test coming up, I