Re: [time-nuts] Position accuracy to improve Thunderbolt performance

Hi Warren: I've found Google Earth to be very accurate, but Google maps not so accurate. You can see the elevation by moving the cursor over the spot. Have Fun, Brooke Clarke http://www.prc68.com WarrenS wrote: Does anyone know how accurate Google map is for Lat Lon in California? I can see

Re: [time-nuts] Position accuracy to improve Thunderbolt performance

From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Brooke Clarke Sent: Monday, July 27, 2009 7:04 AM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Position accuracy to improve Thunderbolt performance Hi Warren: I've found Google

[time-nuts] Position accuracy to improve Thunderbolt performance

Google uses the WGS-84 datum. I have done a few tests of Google Maps accuracy using locations known to mm levels and it tends to be VERY accurate around here. Basically, you can't tell the difference in position at the level of resolution provided.

Re: [time-nuts] What's the cleanest way to produce 1 and 5 MHz from 10 MHz?

David Kirkby wrote: A friend of mine has a GPS receiver with a Stanford PRS 10 rubidium as a frequency standard he uses for his test equipment - mainly signal generators, spectrum analysers etc. Most kit takes a 10 MHz sine wave. Some of his kit needs 1 MHz and other bits 5 MHz. What is the

Re: [time-nuts] HP 3458A ISOLATOR DTACK err @ pwr up

Brooke wrote: At power up the HP 3458A briefly says TESTING RAM and all the panel pixels are on then displays ISOLAOR DTACK. The repair manual says: 201 Outguard Controller A5. clip Hi Brooke, The component-level packet is Agilent p/n 03458-90033.