Lawson-probe status (Lawson):


         P  Probe Status
        -----------------
         0: Probe off of the DC-8
         1: Probe on the DC-8
        -1: Probe on the DC-8 but not fully operational

         |                           early during SUCCESS the PI-Nephelometer
         |                           probe was slightly out of alignment which
         |   A  OPTICAL ALIGNMENT    prevented the imaging of all particles in
         |  ----------------------   the instrument's sample volume 
         |   1: Probe aligned.
         |  -1: Probe slightly out of alignment.
         |  -2: Probe slightly more out of alignment 
         |   
         |   |   I  IMAGING SYSTEM
         |   |  -------------------
         |   |   0: full-frame images captured, particles not cropped properly
         |   |   1: particles cropped properly  (NO post-proccessing required) 
         |   | 
         |   |   |   D  INITIAL DATA QUALITY
         |   |   |  -------------------------
         |   |   |   0: more analysis needed (i.e. analyze our phasefunctions)
         |   |   |   1: data look good, software to process data in development
         |   |   | 
DATE                                        COMMENTS
-------- P - A - I - D -------------------------------------------------------

04/10    1  -2   0   0      NTUNE (=not tuned)->, small particles not detected
04/13   -1                  NDATA (=no data), detection system was inoperable 
04/15    0                  DOWN  (=down for repairs)
04/16    1  -2   0   0      UDCON (=uncertain detection of contrail particles 
04/18    1  -2   0   0      UDCON                       over background noise)
04/20    1  -1   0   1  *   good images in thin cirrus and contrail 
04/21    1  -1   0   0      UDCON + good correlation of Nephelometer and VIPS
04/24    1  -1   0   0  *   UDCON + good data in persistent contrails
04/27    0                  DOWN  (=down for repairs)
04/29    0                  DOWN  (=down for repairs)
04/30    1   1   0   1  *   good images of particles in wave clouds .
05/02    1   1   0   0      UDCON
05/03    1   1   0   0      UDCON
05/04    1   1   0   0      UDCON
05/07    1   1   0   0      UDCON
05/08    1   1   1   1      data looks OK, meteorology on this flight not ideal 
05/10   -1                  inoperable due to water of pre-flight thunderstorms
05/12    1   1   1   1  **  data looks GREAT -> images of contrail particles
05/15    1   1   1   1  **  data looks GREAT
----------------------------------------------------------------------------
                        *  : MODERATE PRIORITY CASE  
                        ** : HIGH PRIORITY CASE

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