Re: [time-nuts] Wrist Watch for Time Nuts
CR2032, expensive at the store but cheap online: http://www.dealextreme.com/details.dx/sku.751 Good value even if 75% of them are poor (which is unlikely). > -Original Message- > From: time-nuts-boun...@febo.com > [mailto:time-nuts-boun...@febo.com] On Behalf Of Robert Darlington > Sent: Thursday, 25 February 2010 2:34 AM > To: Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] Wrist Watch for Time Nuts > > Which means a battery every month for somebody actively > developing projects that talk to wireless sensor networks. > Still not a bad deal. > > -Bob > > On Wed, Feb 24, 2010 at 8:08 AM, paul swed > wrote: > > > That is indeed neat. > > Just no time for another project to tinker with. > > $49 quite the deal > > Whats funny is it eats a battery at least every 6 months > for average use. > > "Warning: The information contained in this email and any attached files is confidential to BAE Systems Australia. If you are not the intended recipient, any use, disclosure or copying of this email or any attachments is expressly prohibited. If you have received this email in error, please notify us immediately. VIRUS: Every care has been taken to ensure this email and its attachments are virus free, however, any loss or damage incurred in using this email is not the sender's responsibility. It is your responsibility to ensure virus checks are completed before installing any data sent in this email to your computer." ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
Re: [time-nuts] Lady Heather wants to know: How big is your tube?
> -Original Message- > From: time-nuts-boun...@febo.com > [mailto:time-nuts-boun...@febo.com] On Behalf Of Russell Rezaian > Sent: Friday, 16 October 2009 12:52 AM > To: Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] Lady Heather wants to know: How big > is your tube? > > Most common screen resolutions for me: > > 4x3 aspect ratio: > 1280x1024 > 1600x1200 > For square pixels, this first one is actually a 5x4 ratio used commonly in non-widescreen LCDs. CRTs tended to all have 4x3 apect ratios and hence for a horizontal resolution of 1280 the "square-pixel correct" vertical resolution is 960. Sam. "Warning: The information contained in this email and any attached files is confidential to BAE Systems Australia. If you are not the intended recipient, any use, disclosure or copying of this email or any attachments is expressly prohibited. If you have received this email in error, please notify us immediately. VIRUS: Every care has been taken to ensure this email and its attachments are virus free, however, any loss or damage incurred in using this email is not the sender's responsibility. It is your responsibility to ensure virus checks are completed before installing any data sent in this email to your computer." ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
Re: [time-nuts] New GPS Signals
> F0 is 10.23 MHz. > > Björn On earth. In the birds it's 10.2299543 MHz. Sam. Disclaimer : The contents of this e-mail including any attachments are intended only for the person or entity to which this e-mail is addressed. If you are not, or believe you may not be, the intended recipient, please advise the sender immediately by return e-mail, delete this e-mail and destroy any copies. The Company does not warrant nor guarantee that this email communication is free from errors, virus, interception or interference. ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
Re: [time-nuts] What's the time Mr Wolf...
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Steve Rooke Sent: Thursday, 30 October 2008 11:16 PM > 10) If they are geostationary, or move in relation to the ground, > how are the affects of the Einstein time dilation handled as they > may be travelling at a different speed than a point on the surface > of the Earth? Internally, the GPS satellites have an approximately 10.23 MHz oscillator which is: 1. multiplied by 120 to generate the L2 carrier (1227.6 MHz), 2. multiplied by 154 to generate the L1 carrier (1575.42 MHz), 2a. Multiplied by 115 to generate the L5 carrier (1176.45 MHz, Block III sats only) 3. passed directly to the P(Y) code generator (10.23 MHz symbol rate) 4. divided by 10 to generate the C/A code (1.023 MHz symbol rate), and 5. divided by 20460 to generate the data (50 Hz bit rate). So everything is derived from this oscillator, which is actually 10.2299543 MHz. This -4.57 mHz corrects for relativistic effects. Sam. Disclaimer : The contents of this e-mail including any attachments are intended only for the person or entity to which this e-mail is addressed. If you are not, or believe you may not be, the intended recipient, please advise the sender immediately by return e-mail, delete this e-mail and destroy any copies. The Company does not warrant nor guarantee that this email communication is free from errors, virus, interception or interference. ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
Re: [time-nuts] Time-zones and World time..
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Steve Rooke > When I communicate with the US, I have to work out which time-zone the place I'm talking to > is in and correct for that. It's probably not so much of a problem for someone in America > as you get used to the time-zone differences but this adds complexity for an outsider. > I just wondered if it would add global communications and buisiness to have a single World standard. When most people communicate with other time zones it's via telephone or email, and when they calculate the destination local time, it's to answer the question "Are they likely to be awake?" or "Are they more likely to be at work or at home?". Having a global time won't solve this problem, you will still have to do the conversion to find out the local time to answer these questions. If you're scheduling radio comms then the Military probably have the correct approach - Zulu time for everything. Sam. Disclaimer : The contents of this e-mail including any attachments are intended only for the person or entity to which this e-mail is addressed. If you are not, or believe you may not be, the intended recipient, please advise the sender immediately by return e-mail, delete this e-mail and destroy any copies. The Company does not warrant nor guarantee that this email communication is free from errors, virus, interception or interference. ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
