[time-nuts] Short introduction

2006-11-03 Thread Robert Deliën
Hello fellow time nuts, I'm new to this group, so it's only decent to introduce myself. My name is Robert Deliën and I'm a 34 year old embedded software engineer with over 10 years of experience and a solid electronics back ground. Clocks and time have fascinated me from a very young age. And

Re: [time-nuts] Rubidium Drift

2006-11-03 Thread John Ackermann N8UR
Tom Van Baak wrote: I've recently acquired a Rubidium Osc ( Efratom FRS-C 10Mhz) as my first venture into this field. It's working as per the spec given ,checked against Trimble GPS with 1pps output. Can you point me to somewhere where there is a description of the physics behind the

[time-nuts] Counter joy

2006-11-03 Thread Magnus Danielson
Hi fellow time-nuts! A few days ago I finally received my latest counter, a Wavecrest SIA-3000P. It's a 3-channel bestie with 1.7 GHz BW on each channel. I have now pulled a few small tricks and is able to run it with external monitor, mouse and keyboard. Isn't that hard actually. I just did my

[time-nuts] HP 8642a Fan Fixed

2006-11-03 Thread Doug Millar
My saga about the dead fan in the 8642a sig gen. I am stunned. I did a little more checking and observation of the area around the fan.. The fan had quit and is buried in between power supplies and looks impossible to dig out. Glad I didn't. On the back there is a cover that

[time-nuts] Fibre optic distribution of local oscillator frequencis

2006-11-03 Thread Dr Bruce Griffiths
The article below describes how the local oscillator frequency is distributed to the antennas of the Atacama millimeter array. The techniques used to stabilise the local oscillator frequency and phase at each antenna may be of some interest to anyone considering fibre optic distribution of