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p2017a [2020/02/15 18:39] k0ry php include of time_of_last_update.html |
p2017a [2020/04/23 03:48] k0ry Edit comments describing acromag setup to reflect retirement of the loaner unit and single channel (no window) operation. |
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- | HP5335A is measuring time from 'every other 1PPS' clock debug signal to XLI 1PPS out. | + | <del>HP5335A</del> HP5334A is measuring time from 'every other 1PPS' clock debug signal to XLI 1PPS out. |
The unwrapped TIC data is really just a simple remapping of [0,1] to [-0.5, 0.5]. | The unwrapped TIC data is really just a simple remapping of [0,1] to [-0.5, 0.5]. | ||
+ | |||
+ | Temperature measurements from Acromag 965EN. "Clock" channel thermocouple is in the air about 2 inches from the 10 MHz crystal. "Window" channel thermocouple is currently unavailable (was leaning against the window, about 18 inches from the clock). | ||
==== Last 24 hours ==== | ==== Last 24 hours ==== | ||
{{:wiki:p2017a:unwrapped_tic_day.png|}} | {{:wiki:p2017a:unwrapped_tic_day.png|}} | ||
- | {{:wiki:p2017a:phase_freq_error_day.png|}} | + | {{:wiki:p2017a:freq_error_temp_day.png|}} |
==== Entire Collect ==== | ==== Entire Collect ==== | ||
{{:wiki:p2017a:unwrapped_tic_full.png|}} | {{:wiki:p2017a:unwrapped_tic_full.png|}} | ||
- | {{:wiki:p2017a:phase_freq_error_full.png|}} | + | {{:wiki:p2017a:freq_error_temp_full.png|}} |
=== Raw TIC Data === | === Raw TIC Data === | ||
{{:wiki:p2017a:raw_tic_full.png|}} | {{:wiki:p2017a:raw_tic_full.png|}} | ||
- | === Freshness Label === | + | |
+ | === Frequency Error vs. Temperature === | ||
+ | {{:wiki:p2017a:scatter_freq_error_vs_temp.png|}} | ||
+ | |||
+ | ==== Freshness Label ==== | ||
<php> | <php> | ||
include "data/media/wiki/p2017a/time_of_last_update.html"; | include "data/media/wiki/p2017a/time_of_last_update.html"; |