SNOWFALL: RADAR Messages: 105 Entries..

Log: Tape0103031803.log

Backup Tape  #76

      03-Mar-2001_22-15-03.cor
to    04-Mar-2001_00-30-02.tms.gz

Contains before/after removal of corrugations to test effect on clutter.

04 Mar 00:45Z (03 Mar 17:45 LT)

Found side pointing toward 230 degrees to be 2 mm low (ie. level).
Found side pointing toward 140 degrees to be 5 mm low from a 1.5m level.
This is level within 0.2 degrees. (Good job leveling Bill!)

This should be re-checked by Mike, Lou.

Log: Tape0103031534.log

Backup Tape  #75

      03-Mar-2001_12-15-03.cor
to    03-Mar-2001_22-05-10.cor

03 Mar:

22:35 (15:35 LT) Started MAPR in time-series mode to get baseline data.
Some traffic on the snow driving course. Some traffic on road to north.
23:20 (16:20 LT) Stopped MAPR, removed corrugations.
23:34 Restarted in time-series mode without corrugations.
Much less traffic on snow driving course. Still traffic on road.
00:30 Mar 04 (17:30 LT Mar 03) Stopped MAPR. End of test.
Data is on Snowfall MAPR tape #76.


Antenna and RASS are clear of snow..
At 22:35Z:
  Forward Power  107.43%
  VSWR           3.27:1

Log: Tape0103030918.log

Backup Tape  #74

      03-Mar-2001_02-15-03.cor
to    03-Mar-2001_12-05-17.cor

03 Mar:

MAPR in correlation mode overnight, and continuing in correlation mode today.

Antenna and RASS are clear of snow

At 16:10Z:
  Forward Power  116.74%
  VSWR           2.92:1

END PROJECT AT 22:30Z (15:30 LT).

NEXT RUN SOME CLUTTER TESTS....

Log: Tape0103022012.log

Backup Tape  #73

      02-Mar-2001_16-15-03.cor
to    03-Mar-2001_02-05-09.cor

Log: Tape0103021442.log

Backup Tape  #72

      02-Mar-2001_06-15-00.cor
to    02-Mar-2001_16-05-18.cor

Log: Tape0103020901.log

Backup Tape  #71

      01-Mar-2001_20-30-02.tms.gz
to    02-Mar-2001_06-05-16.cor

02 Mar:

MAPR in correlation mode overnight, and continuing in correlation mode today.

Antenna and RASS clear of snow

At 15:45Z:
  Forward Power  124.19%
  VSWR           2.85:1

Log: Tape0103011436.log

Backup Tape  #70

      01-Mar-2001_14-15-00.tms
to    01-Mar-2001_20-30-02.cor

Log: Tape0103010829.log

Backup Tape  #69

      01-Mar-2001_08-45-02.cor
to    01-Mar-2001_14-15-00.cor

Log: Tape0103010829.log

Backup Tape  #68

      01-Mar-2001_02-45-14.cor
to    01-Mar-2001_08-30-00.tms.gz

01 Mar:

MAPR in time series mode all night (forgot to return to cor after last night's
operations). Disk filled around 14:50 Z (07:50 LT) so no more data until
15:20Z (0820 LT). At that time, restarted in time series mode for another
intensive.

2105Z (14:05 LT) changed back to correlation-only mode.

Antenna and RASS have snow cover this morning. (Clear at 00Z (17 LT) check)
At 15:45Z:
  Forward Power  122.47%
  VSWR           2.89:1

Log: Tape0102282233.log

Backup Tape #67

      28-Feb-2001_17-05-17.tms.gz
to    01-Mar-2001_02-30-00.cor

Log: Tape0102281121.log

Backup Tape #66

      /rass/28-Feb-2001_08-00-04.cor
to    /rass/28-Feb-2001_17-00-13.tms.gz

Log: Tape0102280849.log

Backup Tape #65

      /rass/27-Feb-2001_22-00-11.tms.gz
to    28-Feb-2001_07-45-12.tms.gz

28 Feb:

MAPR in correlation mode through the night. Partly sunny this morning,
poor SNR. Randy is interested in a sounding of the easterly winds and
the inversion height. Not really an IOP, but put MAPR in tms mode
since we are launching.
MAPR collecting time series beginning at 15:48Z (0848 LT).
MAPR back to correlations only beginning at 18:05Z (11:05 LT).

Just a dusting of snow overnight. Sunny, partly cloudy all day. But cooler
and not much melting. Snow again in evening, beginning aloft at about 0200 Z
and at surface (light) about 02:45 Z Mar 1 (19:45 LT Feb 28)

Started time-series collection at 03:15 Z (Mar 1) (20:15 LT Feb 28).


At 16:05Z:
  Forward Power  116.74%
  VSWR           3.01:1

Log: Tape0102271547.log

Backup Tape #64

      27-Feb-2001_12-30-00.tms
to    /rass/27-Feb-2001_22-20-11.cor

A thought:

There is some clutter in the lowest 4 gates, and good signal just above. This
data may be good to try the iterative clutter removal idea based on a_h value.

Try the datafile for: 27-Feb-2001_19-45-12.tms.gz
(maybe 20:45 better?)

Log: Tape0102271043.log

Backup Tape #63

      27-Feb-2001_07-05-08.tms.gz
to    27-Feb-2001_11-30-00.cor

Log: Tape0102270803.log

Backup Tape #62

      27-Feb-2001_01-05-07.cor
to    /rass/27-Feb-2001_07-00-10.tms.gz

27 Feb:

MAPR in time series mode through the night,
Disk filled at 12:45Z (0545 LT). Need to remember to include RASS when 
calculating disk use!
Restarted MAPR in time series mode at 15:05Z (0805 LT).
Changed to correlation only mode at 17:45Z (10:45 LT). (Sunny now).

Some snow last night. Antenna and RASS have snow cover. Powder with low water
content.

Partly sunny by mid-morning. Antenna and RASS clear of snow as of 20:30Z
(13:30 LT) check.


At 15:15Z:
  Forward Power  117.93%
  VSWR           2.76:1

Log: Tape0102261923.log

Backup Tape #61

      /rass/26-Feb-2001_19-05-09.tms.gz
to    27-Feb-2001_01-05-07.tms.gz

Log: Tape0102261422.log

Backup Tape #60

      /rass/26-Feb-2001_09-00-17.tms.gz
to    /rass/26-Feb-2001_19-00-08.cor

Log: Tape0102260939.log

Backup Tape #59

      /rass/25-Feb-2001_23-00-11.tms.gz
to    /rass/26-Feb-2001_09-00-11.cor

26 Feb:

MAPR in correlation only mode through the night, and continuing.
Signals are weak. Antenna and RASS are free of snow, but its cool and dry.
.
Changed to time-series collection at 20:15Z (13:15 LT). Clouds aloft appear
to be descending. We don't expect snow until late tonight/early tomorrow,
but let's get some time series of the precipitating cloud.

MAPR PC locked up at 21:00 just when RASS started. Other activities were,
running in time-series mode, doing a tape backup. Restarted in time series
mode at 21:07 (also restarted tape backup). RASS stayed on for a couple of
minutes after restarting. Note: forgot to change directory to /data/mapr.
Stopped, moved data files to that directory, and restarted properly at 21:27Z.

At 16:30Z:
  Forward Power  122.47%
  VSWR           2.79:1

Log: Tape0102251922.log

Backup Tape #58

      /rass/25-Feb-2001_17-00-13.tms.gz
to    /rass/25-Feb-2001_23-00-11.cor

Log: Tape0102251627.log

Backup Tape #57

      25-Feb-2001_07-45-12.tms.gz
to    25-Feb-2001_16_45_01.tms.gz
and   /rass/25-Feb-2001_17-00-13.cor

25 Feb:

IOP began at (or before) 9am (16Z) launch. Randy and Doug collecting samples
earlier.

MAPR in correlation only mode through the night
MAPR to time series mode at 15:46 Z (0846 LT) through 23:20 Z

Paused MAPR from 23:30Z to 00:00Z (16:30-17:00 LT) to clear antenna of snow.

Back to correlation only mode. beginning 00:00 Z (26 Feb).

Note: Times of interest for IOP ended by 17Z, but collected more time series
so we have some clear air data also.

Cleared antenna of snow 23:30 Z

Light snow showers during morning. Partly sunny with occasional snow flurries
during afternoon

At 16:20Z:
  Forward Power  117.93%
  VSWR           2.85:1

Log: Tape0102250347.log

Backup Tape #56

      24-Feb-2001_22-45-02.tms.gz
to    25-Feb-2001_07_45_12.cor

Log: Tape0102241645.log

Backup Tape #55

      24-Feb-2001_16-45-03.cor
to    24-Feb-2001_22_45_02.cor

Log: Tape0102241111.log

Backup Tape #54

      24-Feb-2001_07-45-16.cor
to    24-Feb-2001_16_45_03.tms.gz

Also, ran cleaning tape through drive#0

24 Feb:

IOP began at (or before) scheduled 8am (15Z) launch. Neglected to put MAPR
in tms mode (hectic with sonde problems) for ths start of it.

MAPR in correlation only mode through night.
In time series mode starting at 16:05Z (0905 LT) - Ending at 00:30 Z (25-Feb)
which is 17:30 LT

Snow on antenna and RASS (cleared RASS mid afternoon)

Light snow showers during morning. Partly sunny early afternoon.

At 16:05Z:
  Forward Power  121.29%
  VSWR           2.98:1

Had vertical oscillation again from 19:40 to 20:30 Z

Log: Tape0102240254.log

Backup Tape #53

      23-Feb-2001_21-45-15.tms.gz
to    24-Feb-2001_07_30_01.cor

Log: Tape0102231624.log

Backup Tape #52

      23-Feb-2001_11-45-15.tms.gz
to    23-Feb-2001_21_45_15.cor

Log: Tape0102230847.log

Backup Tape #51

      23-Feb-2001_01-45-13.tms.gz
to    23-Feb-2001_11_45_15.cor


Also ran cleaning tape through drive#1.

23 Feb:

In correlation only (windrass) mode this morning. No interesting weather expected until overnight or tomorrow.

At 15:45Z:
  Forward Power  119.66%
  VSWR           2.76:1

Log: Tape0102222225.log

Backup Tape #50

      22-Feb-2001_15-45-12.tms.gz
to    23-Feb-2001_01_45_13.cor

22 Feb:

In correlation only (windrass) mode this morning. No interesting weather expected until at least late afternoon.

At 16:15Z:
  Forward Power  119.66%
  VSWR           2.79:1

Log: Tape0102220221.log

Backup Tape #48

      rass/21-Feb-2001_21-00-11.cor
to         22-Feb-2001_05_45_15.cor

Log: Tape0102211435.log

Backup Tape #47

      rass/21-Feb-2001_15-00-11.tms.gz
to         21-Feb-2001_20_45_01.tms.gz

Log: Tape0102211010.log

Backup Tape #46

      21-Feb-2001_05-45-16.tms.gz
to    21-Feb-2001_14_45_01.tms.gz
and   /rass/21-Feb-2001_15-00-11.cor

Log: Tape0102210731.log

Backup Tape #45

      20-Feb-2001_19-45-12.tms.gz
to    21-Feb-2001_05_45_16.cor

21 Feb:

Began maprrasstms at 14:30 Z (07:30 LT) because of another IOP.

At 16:00Z:  Some snow on RASS and antenna
  Forward Power  124.19% before clearing snow
  VSWR           2.92:1 before clearing snow


Started correlation only (windrass) at 22:30Z. (15:30 LT)

Log: Tape0102202211.log

Backup Tape #44

/rass/20-Feb-2001_09-00-11.tms/gz and
      20-Feb-2001_09-05-16.cor
to    20-Feb-2001_19_45_12.cor

Log: Tape0102200946.log

Backup Tape #43

20-Feb-2001_00-05-08.cor to
20-Feb-2001_08-45-13.tms.gz
and /rass/20-Feb-2001_09_00_11.cor

20 Feb:

Mid level overcast at 8 am; sunny/partly cloudy by 10:30 am;
Much sun in the afternoon.

Snowing lightly again by 10pm LT (05Z Feb 21).

MAPR in correlation (wind/rass) mode. MAPR off for half-hour to clear antenna and RASS of snow.

The orange cone I placed in our driveway was swept into the snowbank by the plows. I guess they just didn't understand.

Log: Tape0102191900.log

Backup Tape #42

19-Feb-2001_17-45-14.tms to
20-Feb-2001_00-05-08.cor.tms.gz

Log: Tape0102191625.log

Backup Tape #41

/rass/19-Feb-2001_08-00-13.tms.gz - 
19-Feb-2001_08-05-10.cor to
19-Feb-2001_17-45-14.cor

Log: Tape0102191144.log

Backup Tape #40

18-Feb-2001_22-45-00.tms.gz - 
19-Feb-2001_07-45-15.tms.gz - and
19-Feb-2001_08-00-13.cor in /RASS

Log: Tape0102190912.log

Backup Tape #39

18-Feb-2001_14-45-15.cor - 
18-Feb-2001_22-30-02.tms.gz

19 Feb:

Another intensive day: Changed to collect time series from
  16:05 Z (09:05 LT) through about 16:15 Z (09:15 LT) but

The backup failed overnight and the disk is nearly full so I have
stopped collecting time-series for now.

Restarted backup #39

I deleted these cor files to make room on disk. These should be times when there is also time-series data collected, so they are reproducable:

18-Feb-2001_22-45-03.cor
18-Feb-2001_23-45-13.cor
19-Feb-2001_00-45-03.cor
19-Feb-2001_01-45-13.cor
19-Feb-2001_02-45-15.cor
19-Feb-2001_03-45-13.cor
19-Feb-2001_04-45-14.cor
19-Feb-2001_05-45-14.cor
19-Feb-2001_06-45-17.cor

Also, profiler stopped once for unknown reason (disk space?). The mapr editor was displayed after it stopped. A second time MAPR did stop with a message of lack of disk space in the console.

Started time-series and correlation collection again at 19:05 (after backup was finished).

Also noted:
  Forward Power  124.19%
  VSWR           2.92:1

Cleared RASS speakers at 21:45 Z
Surface sensors are clear

Crash, bang: MAPR clock stood still in time at 3:48pm LT (22:48Z). I noticed this, and rebooted. Started data collection again at 23:19Z in windrasstms mode.

No clue's. MAPR was pretty busy at the time. Was running collecting time-series, also was doing a backup, and I had recently started to plot the latest sounding
(unfortunately, also had to restart the backup)

Stopped time-series mode at 20-Feb 02:05 Z (19-Feb 19:05 LT)

Log: Tape0102181830.log

Backup Tape #38

18-Feb-2001_04-45-14.cor - 
18-Feb-2001_14-30-00.cor

Log: Tape0102180956.log

Backup Tape #37

16-Feb-2001_04-45-00.cor - 
18-Feb-2001_04-30-01.cor

18 Feb:

An intensive day: Changed to collect time series from
  19:45 Z (12:45 LT) through 01:15 Z (18:15 LT)

Also noted:
  Forward Power  124.19%
  VSWR           2.85:1

17 Feb:

At 18 Feb 00:14 UT changed MAPR mode to windrass.
Also noted:
  Forward Power  124.19%
  VSWR           2.79:1

Log: Tape0102160818.log

Backup Tape #36
(Bill did this one from Boulder

*NOTE* Tape Drive 0 may be broken. The tape door will not latch closed.

Log: Tape0102131200.log

Manual backup: two tar files

1)  /home/mapr,httpd,james
(includes FCA results, plots, and programs)

2) /data/mapr only tms files around sonde of 13 Feb 1655UT for CSU

Log: Tape0102131052.log

Includes data around sonde of 13 Feb 1655UT for CSU

Log: Tape0102130517.log

Log: Tape0102122240.log

13 Feb 20UT  Checked MAPR antenna levels, 
tilted about 0.9 deg towards south-west

Corrected - 2015UT
Wooden sides around bottom of antenna were a major pain,
next time make it out of polyethene!

Leaving the system for a few days.

13 Feb, 1920UT.
Put MAPR into a slower data collection mode, with shorter times series (256pts),
and longer dwells (1 minute).  Cor files only.
Will probably collect less than 2GB per day.
Parameter file schedule: windless   mode:  windmodeless

Did extra RASS runs for 13 Feb 1655UT sounding
RASS runs at 1630, 1700, 1730.

Saw sounding balloon on MAPR - use for height calibration.
Flight was almost straight up for first 1 km.
Note Glass PC clock running 65 seconds fast.


RASS TESTS *********
1800-1805  Using DBS as acoustic source
1805-1813  Using Charlie's card
(afterwards left system on Charlie's card, previously had been on DBS).

MAPR HIGH RESOLN *********
1905-1910  High resolution, first gate 200m
1910-1915                   first gate 400m

1920UT put into slow mode

Checking TX,
Duty cycle 6.7%   FO 124.19% VSWR 2.66:1
Output at banana points on back of TX 2.270V

Log: Tape0102121710.log

MAPR locked up again.  Seemed to happen gradually.
Last data processed by FCA collected about 0320UT - this file started about
5 minutes late for some reason. Then brief periods of data collected
intermittently over next couple of hours.

About 9:20pm (0420UT), tried to log in from hotel, could connect to armiss,
but not to mapr.

Arrived at 10:03pm to find clock stuck at 9:59pm, and stuck in winds mode
(should have been in rass).
Did hard reset 10:10pm (0510UT) and restarted mapr process.
Restarted okay.

Oscilloscope showed piraq was still running (well still transmitting
and showing gate pulses) thru the stall, and reboot, until near end of
reboot process when it was reset.

/var/log/messages showed several messages over couple of hours before boot
"mapr kernel: stuck on TLB IPI wait (CPU#0)"

Various MAPR ops

Feb 13
0:15UT shutdown for several minutes to clear snow & ice from radome,
       only a thin coating. No change in VSWR (2.7:1)

RASS TEST *********

1:00-1:05 RASS, acoustic source was DBS system
1:05-1:10 RASS, acoutic source was Charlie's card
                matched output voltages - 15V AC on amp output
                also matched temperature ranges -20C to +10C
Both sources gave clear RASS signal to 600m.
DBS perhaps slightly cleaner at 600m.

HIGH RESOLN TEST *********

1:10-1:15  Standard wind mode (100 m resoln)
1:15-1:20  High resoln wind mode (50m)   first gate 200m
1:20-1:25  """""""""""""""""""""""""""   first gate 300m
1:25-1:30  """""""""""""""""""""""""""   first gate 200m
1:30-  back to std winds mode
Difficult to tell if there was any change when the first gate changed
in high resoln mode - perhaps there was lifting up of an apparent
layer, but need more tests.

PULSE CODE TEST *********

1:45-1:50  Std winds mode - 4 bit code
1:50-1:55                   1 bit code
1:55-                       4 bit code
Signal reduced during 1 bit code by a few dB

Log: Tape0102121111.log

Log: Tape0102111857.log

Log: Tape0102111530.log

With the thaw of the snow under the antenna the last few days,
it has developed a tilt of about 0.6 degrees towards the southwest.

If there is a 10m/s wind to or from that direction, it will
leak into the vertical motion by about 0.1 m/s.
Will try to fix this.

Log: Tape0102111133.log

Log: Tape0102102052.log

The MAPR shutdown about 13UT (6am) - called Mike.
Eventually discovered that for some unknown reason the blanking at the 
TX was on.
Pushed the RF CTL button on the TX (turning off the blanking light)
and it started working again - from about 1730 UT.

FO (power out on laptop) started out at 105-108% jumping around a little,
an hour or so later it was 116%, then later it settled at 124%.
Meter on TX was flucuating slightly at about 3/4 FSD, but later settled at FSD.
VSWR is 2.6
Voltage at banana plugs on back of TX 2.385V.

Log: Tape0102101216.log

MAPR PC locked up during RASS at 10:01LT (1701UT),
Hard reset reboot.  No error message in /var/log/messages around then.

Did extra RASS run at 1723UT.

Note hot-air balloon echoes 16-17UT.

Log: Tape0102100509.log

Log: Tape0102091808.log

Log: Tape0102091308.log

Made a second copy of data on tape 21 (which reported an error,
but seems ok).

Log: Tape0102090923.log

Tar reported an error, however a tar -t indicates that it is okay.
Made a second copy of this data to tape 22

Lost a couple of hours of data this morning, disk filled quicker than expected.
Did extra RASS run at 1610UT.
Also during afternoon, system locked up about 1530 MST, restarted 1650 with
hard reboot.

Log: Tape0102081717.log

Log: Tape0102081314.log

This and following tape have both winds and RASS data,
RASS data is in a sub-directory rass/

Log: Tape0102080852.log

Includes RASS data 8 Feb 1 - 4 UT
Winds & RASS 0430 - 905
RASS signal gen tests 4 Feb 2322 & 2336

Log: Tape0102072235.log

Includes RASS data 7 Feb 0:00 - 23:00
Winds 7 Feb 2330 - 8 Feb 0430

Log: Tape0102071832.log

Includes RASS data 5 Feb 18:55 - 6 Feb 23:30
Winds 7 Feb 2030 - 2330

Did extra RASS runs around time of sounding at 1645, 1700, 1715 UT,
back to hourly RASS afterwards, (accidently had speakers unplugged 19UT run,
so did another run at 1907UT).

Around launch time there was light snow, however it cleared soon after.
Sounding showed inversion from about 500m to about 1km.
There is cloud/fog from about half way up mountain to
(according to Randy at the peak lab) just below the peaks.
Took photos of this fog at 11:30am.

Last night about 2 inchs of snow fell.

Can see sonde on MAPR 2 hour plots around launch.
Maybe able to use for height calibration, but note that GLASS PC clock
is running about 55 seconds fast.

Did some high resolution tests on MAPR 2215 - 2230.

Log: Tape0102071439.log

Log: Tape0102070823.log

Second copy of files on tape 13 (plus a few extra)

Log: Tape0102062140.log

Write jobs reported "BAD ERROR" however a read of tape indicates it is okay.
Wrote second copy of these files to tape 14.

Log: Tape0102061702.log

Log: Tape0102061120.log

Log: Tape0102052146.log

Log: Tape0102051614.log

6 Feb  Randy & Doug interested in inversion to study very fine aersols.
Would like to determine inversion height.

16UT - 2UT (9LT-19LT)  running high resolution winds (50m to 2.6km) and
5 minutes RASS on half hour.  Note hot-air ballon around 1615-1750. 
Ran tms & cor much of the time, but had to cut back to cor only
to save disk space later while doing a backup.

Had a couple of VSWR fault message, but radar seems to be running ok.

Log: Tape0102041736.log

Log: Tape0102041117.log

2nd copy of IOP1 data (first copy on tape #06)

Various RASS tests - eventually discovered new TX won't run
at 20microsecs IPP - set to 25  - also with new TX need to have sig1width set.
Seeing RASS echos to about 700m

Comparing DBS and Charlie's card for generating sound
DBS      0:33 Very clear RASS to 700m, weaker sig at 800m
Charlie  0:38 Clear to 700m, weak sig at 800m (700 not as clear as DBS?)
Need to do more tests

	Bill tested RASS and I tested vswr today. VSWR fine and
RASS is loud.

Log: Tape0102031715.log

Includes IOP1 data, 2nd copy IOP1 data being made to tape #07

MAPR running in time series (& cor) mode 3 Feb 1430 UT - 4 Feb 0045 UT
Off 4 Feb 0045 - 0105 UT to clear antenna of snow

log: Tape0102031207.log

log: Tape0102021923.log

Log: Tape0102020658.log