Re: [time-nuts] Description - GR 1120-AB Frequency Standard

2008-09-04 Thread wa3frp
<[EMAIL PROTECTED]> Sent: Wednesday, September 03, 2008 7:55 PM To: Subject: Re: [time-nuts] Description - GR 1120-AB Frequency Standard > Jim, > > Thanks for following up on this. The thermoswitch that I'm looking for > closes on reaching a trip temperature of 78C. The original

Re: [time-nuts] Description - GR 1120-AB Frequency Standard

2008-09-03 Thread Jim Hall
ould tell me if he has any > leads on a 78C thermoswitch. > > Thanks again, > > Russ > > > > > > > > -Original Message- > From: Jim Hall <[EMAIL PROTECTED]> > To: time-nuts@febo.com > Sent: Wed, 3 Sep 2008 8:04 pm > Subject: [time-nuts] Descr

Re: [time-nuts] Description - GR 1120-AB Frequency Standard

2008-09-03 Thread wa3frp
ssage- From: Jim Hall <[EMAIL PROTECTED]> To: time-nuts@febo.com Sent: Wed, 3 Sep 2008 8:04 pm Subject: [time-nuts] Description - GR 1120-AB Frequency Standard Today I visited a friend who collects all sorts of old electronics and asked him about mercury thermometer sensors. Turns

[time-nuts] Description - GR 1120-AB Frequency Standard

2008-09-03 Thread Jim Hall
Today I visited a friend who collects all sorts of old electronics and asked him about mercury thermometer sensors. Turns out he had several from various GR pieces of equipment. Some are in a straight shape with "trip" temperatures of 50 or 60 degrees C. One is at a 90 degree angle with a 60

[time-nuts] Description - GR 1120-AB Frequency Standard

2008-08-23 Thread wa3frp
Max is correct. The GR 1120-AB contains the following units in a standard relay rack: The GR Standard Frequency Oscillator 1113-A with an output frequency of 5 MHz. This unit is settable to 1 x10 -10 with an output of 1 V RMS. Located in the relay rack above the Standard Frequency Oscillator is