Differences

This shows you the differences between two versions of the page.

--- icf [2026/07/28 17:07] – andrew
+++ icf [2026/08/12 10:40] (current) – reno
@@ Line 1: / Line 1: @@
 ICF
 ^Name^Description^
-|o3 Temp coef 1| |
+|o3 Temp coef 1| Temperature coefficient normalized to zero for slit #1 |
-|o3 Temp coef 2| |
+|o3 Temp coef 2| Temperature coefficient for slit #2 relative to slit #1 (Slit #2 TC - Slit #1 TC) |
-|o3 Temp coef 3| |
+|o3 Temp coef 3| Temperature coefficient for slit #3 relative to slit #1 (Slit #3 TC - Slit #1 TC) |
-|o3 Temp coef 4| |
+|o3 Temp coef 4| Temperature coefficient for slit #4 relative to slit #1 (Slit #4 TC - Slit #1 TC) |
-|o3 Temp coef 5| |
+|o3 Temp coef 5| Temperature coefficient for slit #5 relative to slit #1 (Slit #5 TC - Slit #1 TC) |
 |Micrometer steps/deg| |
 |O3 on O3 Ratio| Absorption value for Ozone |
 |SO2 on SO2 Ratio| Absorption value for Sulfur dioxide |
-|O3 on SO2 Ratio| |
+|O3 on SO2 Ratio| Absorption value for Ozone on the Sulfur dioxide |
-|ETC on O3 Ratio| The extraterrestrial Constant (ETC) used for calculating Ozone |
+|ETC on O3 Ratio| The Extraterrestrial Constant (ETC) used for calculating Ozone |
 |ETC on SO2 Ratio| The Extraterrestrial Constant (ETC) used for calculating Sulfur dioxide|
 |Dead time (sec)| Dead time the instrument is set to|
 |WL cal step number| Current cal step for the instrument |
-|Unused| |
+|Slitmask Motor Delay|Multi-board electronics - This is the slitmask delay between moving from one slit to the next. The typical value for this is 80\\ New Electronics - This sets the speed of the slitmask motor, typically and usually left at 14.|
-|Umkehr Offset| |
+|Umkehr Offset| Azimuth offset during Umkehr measurements |
-|ND filter 0| |
+|ND filter 0| Filer correction from Neutral Density (ND) filter #0 |
-|ND filter 1| |
+|ND filter 1| Filer correction from Neutral Density (ND) filter #1 |
-|ND filter 2| |
+|ND filter 2| Filer correction from Neutral Density (ND) filter #2 |
-|ND filter 3| |
+|ND filter 3| Filer correction from Neutral Density (ND) filter #3 |
-|ND filter 4| |
+|ND filter 4| Filer correction from Neutral Density (ND) filter #4 |
-|ND filter 5| |
+|ND filter 5| Filer correction from Neutral Density (ND) filter #5 |
 |Zenith steps/rev| The number of steps to perform a complete rotation of the zenith |
 |Brewer Type| Version of Brewer spectrophotometer |
-|COM Port #| |
+|COM Port #| Select the comport being used. **if using dosbox or similar dos emulator, this is not the actual comport used on the computer, but the comport specified in the config. Typically left as 1|
 |o3 Temp coef hg| |
 |n2 Temp coef hg| |
@@ Line 34: / Line 34: @@
 |O3  Mic #1 Offset| The number of steps from the bulkhead LED to the micrometer 1 HG test position |
 |Mic #2 Offset| The number of steps from the bulkhead HED to the micrometer 2 HP test position |
-|O3  FW  #3 Offset| |
+|O3  FW  #3 Offset| Offset from the filter wheel #3 zero position during Ozone measurements |
-|NO2 absn Coeff| |
+|NO2 absn Coeff| Absorption value for Nitrogen dioxide |
-|NO2 ds etc| |
+|NO2 ds etc| Direct sun (DS) Extraterrestrial Constant for Nitrogen dioxide measurements |
-|NO2 zs etc| |
+|NO2 zs etc| Zenith sky (ZS) Extraterrestrial Constant for Nitrogen dioxide measurements |
-|NO2 Mic #1 Offset| |
+|NO2 Mic #1 Offset| Micrometer #1 position in steps for Nitrogen dioxide measurements |
-|NO2 FW  #3 Offset| |
+|NO2 FW  #3 Offset| Filter wheel #3 position in steps for Nitrogen dioxide measurements |
 |NO2/O3 Mode Change| |
-|Grating Slope| |
+|Grating Slope| The relationship of movement between micrometer #1 and micrometer #2 to maximize counts|
-|Grating Intercept| |
+|Grating Intercept|:::|
 |Micrometer Zero| |
-|Iris Open Steps| |
+|Iris Open Steps| The number of steps it takes to open the Iris |
 |Buffer Delay (s)| |
-|NO2 FW#1 Pos| |
+|NO2 FW#1 Pos| Position of filter wheel #1 during a Nitrogen dioxide measurement|
-| O3 FW#1 Pos| |
+| O3 FW#1 Pos| Position of filter wheel #1 during Ozone measurements |
-| FW#2 Pos| |
+| SL FW#2 Pos| Position of filter wheel #2 during any tests or measurements that use the standard lamp |
-| uv FW#2 Pos| |
+| uv FW#2 Pos| Position of filter wheel #2 during a UV measurment |
 |Zenith Offset| Offset from the zenith zero positioning for optimal pointing |
-|Zenith UV Pos| |
+|Zenith UV Pos| Zenith position in steps when performing a UV measurement |
-|Release date| |
+|Release date| Date that the ICF was created|
 |EXTRAS| |
-|AUTO HG| |
+|AUTO HG|Allows the software to automatically insert HG as required when running a schedule with auto routine. Typically an HG is ran every 2 hours or a change in temperature of 2 degrees, which ever happens first. \\ 0 - Disable \\ 1 - Enable|
-|FW2 oscil| |
+|FW2 oscil|Allows filterwheel 2 to keep changing with no limits during DS measurements. This usually happens when the sun gets covered/uncovered by moving clouds.|
-|HG FW#2 Pos| |
+|HG FW#2 Pos| Position of filter wheel #2 when using the Hg bulb |
-|Low Signal limit| |
+|Low Signal limit| The number of counts at which the instrument will switch to a lower neutral density filter or skip the test during a direct sun measurement|
-|Upper Signal limit| |
+|Upper Signal limit| The number of counts at which the instrument will increase the neutral density filter during a direct sun measurement|
-|Use cubic DSP| |
+|Use cubic DSP|Enable the use of cubic dispersion. \\ 0 - Disable \\ 1 - Enable|
-|Skip DS if too dim| |
+|Skip DS if too dim| Enable skipping a Direct Sun (DS) measurement if counts are too low  |
-|O3ETC-R6| |
+|O3ETC-R6| Ozone Extraterrestrial Constant (ETC) minus the R6 standard lamp ratio |
-|So2ETC-R5| |
+|So2ETC-R5| Sulfur dioxide Extraterrestrial Constant (ETC) minus the R5 standard lamp ratio |
+|PHYCS alpha / slits 2-5 / o3 | PHYCS correction factor for stray light on slits 2 - 5 |
+|PHYCS beta / slit 1 / so2 | PHYCS correction factor for stray light on slit 1 |
+|Apply PHYCS| If PHYCS is in use (1=Y, 0=N)|
 |Updated with CF| |