version: teqc 2009Oct19 SV+|--------|--------|--------|--------|--------|--------|--------|--------+ SV 1| | 1 2| -IoooooooooI- ---ooooooooooooooM | 2 3| -ooooooooooooooooooooo+ | 3 4| -IIoooI- -MIooooooooooooooooI- | 4 5|oII- ---III- --ooooooooooooooo| 5 6| -IoooooooooooooooooooooI | 6 7| -IoooooooII -IIooooooooooooooI- | 7 8|-- --IooII-- --IIoooooooooooooo-| 8 9|oooooooooooooooo- Mooooo| 9 10|II ---- --IooooooooooooooooI| 10 11| --ooooooooooooooooooooII | 11 12|oooooooooooooooooooooI --| 12 13| ----- --oooooooooooooooooII- | 13 14| -IooooooooooooooI- -IooIooooooII- | 14 15|oooooooooIM -ooooooooooo| 15 16| IIoooooooooooooooooII- --- | 16 17|ooooooooo-- MooooooooooooooI- I-o| 17 18|ooooooooooI- IIIoooooooooooII IIoo| 18 19| --ooooooooooooooooooooII | 19 20| -IooooooooooooooooooooI- | 20 21|I- -IIoooooooooooooooI- --2ooooo| 21 22|--ooooooooooI IIooooooooooooooI- | 22 23| --IoI--- -IIoooooooooooooooI-- | 23 24|I IIooooooooooooooI -IooooooooooI| 24 25| | 25 26| --oooooooooooooooI- IooMooooo- | 26 27|oooooooooooooooo- -ooooooo| 27 28|ooooI -IooooooooooI- -ooooooooooo| 28 29| -oooooooooooooooooooI- ----- | 29 30| -oooooooooooooooooooooII | 30 31| ---ooooooooooooooooI --oMooooo- | 31 32| -ooooooooooooooooooooI- | 32 R14|~~~~~~~~~~c M~~~~ c~~~~~~~~~~~~~~|R14 R15|~~~~~~~~~~~~~~~~I ~~~~~~~~~~|R15 R 3|~II 1~~~ M~~~~~~~~~~~~~~~~~~~~ |R 3 R13|~~I 2~~~~~~Mc LM~~~~~~~~~~~~~cc |R13 R17| c~~~~~~~~~~~~I 1~~~~~~~~~~~Ic 1|R17 R18| MI~~~~~~~~~~~~~c M~~~~~~~2~c |R18 R 7| ~~~~~~cc cMI~~~~~~~~~~~~~I |R 7 R19| I~~~~~~~~~~~~~~~I c~~~~~~c |R19 R 8| c~~c c~~~~~~~~~~~~~~~c |R 8 R20| ~~~~~~~~~~~~~~~~~~~I~ M~~I |R20 R10| c~~~~~~~~~~~~~~c cM~~~~~~~ |R10 R21| ~~~~~~~~~~~~~~~~~~~~I |R21 R11| cc~~~~~~~~~~~~c c~~~~~~~~~~~ |R11 R 2| ~~~~~~~~~~~~~~~~~~~~M |R 2 -dn| 1 1 1 1122121 1 1 11 1 1 1 11 1112 |-dn +dn|342121 12222211231244353641211122422431 132122211 222123223231 43122111|+dn + 0|dcbbbaabdddccbbccabcccddeebbb99aadddedbaacb9abba98aaabbbbbbacbaaccbbbbcc|+ 0 Pos|o oo |Pos Clk| |Clk +|--------|--------|--------|--------|--------|--------|--------|--------+ 00:00:00.000 23:59:30.000 2010 Jan 1 2010 Jan 1 ********************* QC of RINEX file(s) : IGNE0010.10O input RnxNAV file(s) : IGNE0010.10N IGNE0010.10G ********************* 4-character ID : IGNE (# = 13411M001) Receiver type : LEICA GRX1200GGPRO (# = 355504) (fw = 7.53) Antenna type : LEIAT504GG LEIS (# = 200635) Time of start of window : 2010 Jan 1 00:00:00.000 Time of end of window : 2010 Jan 1 23:59:30.000 Time line window length : 23.99 hour(s), ticked every 3.0 hour(s) antenna WGS 84 (xyz) : 4851145.8224 -314491.3966 4116292.7665 (m) antenna WGS 84 (geo) : N 40 deg 26' 45.14" E 356 deg 17' 26.89" antenna WGS 84 (geo) : 40.445872 deg 356.290804 deg (= -3.709196 deg) WGS 84 height : 778.7288 m |qc - header| position : 30 m Observation interval : 30.0000 seconds Total satellites w/ obs : 44 NAVSTAR GPS SVs w/o OBS : 1 25 NAVSTAR GPS SVs w/o NAV : 1 25 GLONASS SVs w/o OBS : 1 4 5 6 9 12 16 22 23 24 GLONASS SVs w/o NAV : 14 15 3 13 17 18 7 19 8 20 10 21 11 2 Rx tracking capability : 26 SVs Poss. # of obs epochs : 2880 Epochs w/ observations : 2880 Epochs repeated : 0 (0.00%) Possible obs > 0.0 deg: 30685 Possible obs > 0.0 deg: 30685 Complete obs > 0.0 deg: 27547 Missed obs > 0.0 deg: 2975 Deleted obs > 0.0 deg: 163 Obs w/ SV duplication : 0 (within non-repeated epochs) Moving average MP1 : 0.692928 m Moving average MP2 : 0.709168 m Points in MP moving avg : 50 No. of Rx clock offsets : 0 Total Rx clock drift : 0.000000 ms Rate of Rx clock drift : 0.000 ms/hr Avg time between resets : Inf minute(s) Freq no. and timecode : 2 10953 ffffff Report gap > than : 10.00 minute(s) epochs w/ msec clk slip : 0 other msec mp events : 0 (: 503) {expect ~= 1:50} IOD signifying a slip : >400.0 cm/minute IOD slips < 0.0 deg* : 19 IOD slips > 0.0 deg : 230 IOD or MP slips < 0.0*: 36 IOD or MP slips > 0.0 : 256 * or unknown elevation first epoch last epoch hrs dt #expt #have % mp1 mp2 o/slps SUM 10 1 1 00:00 10 1 1 23:59 24.00 30 30685 27547 90 0.69 0.71 108 Processing parameters are: Receiver tracking capability : 26 SVs Maximum ionospheric rate (L1) : 400.00 cm/min Report data gap greater than : 10.00 min Expected rms of MP1 multipath : 50.00 cm Expected rms of MP2 multipath : 65.00 cm Multipath slip sigma threshold : 4.00 cm % increase in MP rms for C/A | A/S : 100.00 % Points in MP moving averages : 50 Minimum signal to noise for L1 : 0 Minimum signal to noise for L2 : 0 Elevation mask (cutoff) : 0.00 degrees Elevation comparison threshold : 25.00 degrees Orbit path spline fit sample time : 10 min SVs w/ code data for position try : 5 Width of ASCII summary plot : 72 Data indicators on summary plot : yes Do ionospheric observable : yes Do ionospheric derivative : yes Do high-pass ionosphere observable : no Do multipath observables : yes Do 1-ms receiver clock slips : yes Tolerance for 1-ms clock slips : 1.00e-02 ms Do receiver LLI slips : yes Do plot file(s) : yes Observations start : 2010 Jan 1 00:00:00.000 Observations end : 2010 Jan 1 23:59:30.000 Observation interval : 30.0000 second(s) SV #+hor #+mask #reprt #compl L1 L2 P1 P2 CA L2C --- ------ ----- ------ ----- ------ ------ ------ ------ ------ ------ ------ ------ G02 1148 23.70 1148 23.70 1048 1047 1048 1047 0 1047 1048 0 G03 894 41.50 894 41.50 879 879 879 879 0 879 879 0 G04 1070 28.54 1070 28.54 890 877 890 877 0 877 890 0 G05 1039 31.71 1039 31.71 772 755 772 755 0 755 772 0 G06 926 41.59 926 41.59 909 908 909 908 0 908 909 0 G07 1122 26.12 1122 26.12 977 958 977 958 0 958 977 0 G08 1079 30.14 1079 30.14 846 840 846 840 0 840 846 0 G09 914 39.34 914 39.34 879 879 879 879 0 879 879 0 G10 936 37.14 936 37.14 785 782 785 782 0 782 785 0 G11 905 42.07 905 42.07 882 880 882 880 0 880 882 0 G12 898 41.04 898 41.04 869 868 869 868 0 868 869 0 G13 982 35.35 982 35.35 789 782 789 782 0 782 789 0 G14 1158 24.29 1158 24.29 1068 1064 1068 1064 0 1064 1068 0 G15 893 42.06 893 42.06 872 871 872 871 0 871 872 0 G16 922 38.50 922 38.50 786 784 786 784 0 784 786 0 G17 1174 23.29 1174 23.29 1090 1088 1090 1088 0 1088 1090 0 G18 1197 22.23 1197 22.23 1135 1121 1135 1121 0 1121 1135 0 G19 895 41.60 895 41.60 881 878 881 878 0 878 881 0 G20 907 41.23 907 41.23 873 873 873 873 0 873 873 0 G21 1113 27.19 1113 27.19 950 937 950 937 0 937 950 0 G22 1169 23.18 1169 23.18 1080 1074 1080 1074 0 1074 1080 0 G23 1051 30.79 1051 30.79 816 793 816 793 0 793 816 0 G24 1179 22.87 1179 22.87 1106 1103 1106 1103 0 1103 1106 0 G26 1104 26.78 1104 26.78 1002 994 1002 994 0 994 1002 0 G27 959 41.33 959 41.33 926 925 926 925 0 925 926 0 G28 1187 23.60 1187 23.60 1122 1113 1122 1113 0 1113 1122 0 G29 979 35.00 979 35.00 787 786 787 786 0 786 787 0 G30 913 40.26 913 40.26 891 890 891 890 0 890 891 0 G31 1107 27.75 1107 27.75 973 971 973 971 0 971 973 0 G32 865 41.78 865 41.78 827 827 827 827 0 827 827 0 R14* 0 0.00 0 0.00 0 0 0 0 0 0 0 0 R15* 0 0.00 0 0.00 0 0 0 0 0 0 0 0 R03* 0 0.00 0 0.00 0 0 0 0 0 0 0 0 R13* 0 0.00 0 0.00 0 0 0 0 0 0 0 0 R17* 0 0.00 0 0.00 0 0 0 0 0 0 0 0 R18* 0 0.00 0 0.00 0 0 0 0 0 0 0 0 R07* 0 0.00 0 0.00 0 0 0 0 0 0 0 0 R19* 0 0.00 0 0.00 0 0 0 0 0 0 0 0 R08* 0 0.00 0 0.00 0 0 0 0 0 0 0 0 R20* 0 0.00 0 0.00 0 0 0 0 0 0 0 0 R10* 0 0.00 0 0.00 0 0 0 0 0 0 0 0 R21* 0 0.00 0 0.00 0 0 0 0 0 0 0 0 R11* 0 0.00 0 0.00 0 0 0 0 0 0 0 0 R02* 0 0.00 0 0.00 0 0 0 0 0 0 0 0 * = SV with no NAV info Obs below mask ( 0.00 deg) : 13420 Obs above mask w/ no L1 : 0 Obs above mask w/ no L2 : 163 Obs above mask w/ no P1 | CA : 0 Obs above mask w/ no P2 | L2C : 163 Obs above mask w/ low L1 S/N : 0 Obs above mask w/ low L2 S/N : 0 Obs reported w/ code | phase : 41130 Obs deleted (any reason) : 13583 Obs complete : 27547 No. of Rx clock offsets : 0 Total Rx clock drift : 0.000000 ms Rate of Rx clock drift : 0.000000 ms/hr elev (deg) tot slps 5=% 1|m 15=% 2|m 85 - 90 159 0 0.000000 80 - 85 414 0 0.000000 75 - 80 889 0 0.000000 70 - 75 937 0 0.000000 65 - 70 1410 0 0.000000 60 - 65 1289 0 0.000000 55 - 60 1168 0 0.000000 50 - 55 1408 0 0.000000 45 - 50 1742 0 0.000000 40 - 45 1557 0 0.000000 35 - 40 1715 0 0.000000 30 - 35 1680 0 0.000000 25 - 30 2211 0 0.000000 20 - 25 2357 0 0.000000 15 - 20 2449 7 0.000000 10 - 15 2557 26 0.000000 == 5 - 10 2722 98 0.000000 ======= 0 - 5 853 99 0.000000 ======================= < 0 2 0 0.000000 MP1 RMS summary (per SV): slips L1 rx L2 rx slips L1 rx L2 rx SV obs> 0 # del MP1 rms [m] < 25 < 25 < 25 > 25 > 25 > 25 G02 1048 1 25.81 0.846959 2 0 2 0 0 0 G03 879 0 42.29 0.380138 0 0 0 0 0 0 G04 890 13 34.21 1.926835 14 0 5 0 0 0 G05 772 17 42.30 0.507086 13 0 3 0 0 0 G06 909 1 42.49 0.971500 2 0 0 0 0 0 G07 977 19 29.90 0.757153 19 1 6 0 0 0 G08 846 6 37.51 0.738111 6 0 1 0 0 0 G09 879 0 40.91 0.424311 1 0 0 0 0 0 G10 785 3 44.24 0.746588 12 1 2 0 0 0 G11 882 2 43.32 0.483783 4 0 2 0 0 0 G12 869 1 42.50 0.675490 3 0 1 0 0 0 G13 789 7 44.04 0.559306 13 0 1 0 0 0 G14 1068 4 26.32 0.853413 8 0 1 0 0 0 G15 872 1 43.10 0.406817 3 0 0 0 0 0 G16 786 2 45.03 0.702928 6 0 1 0 0 0 G17 1090 2 25.03 0.712385 4 0 0 0 0 0 G18 1135 14 23.66 0.753640 18 0 5 0 0 0 G19 881 3 42.49 0.450013 2 0 1 0 0 0 G20 873 0 42.86 0.489779 4 1 1 0 0 0 G21 950 13 31.70 1.054670 12 0 3 0 0 0 G22 1080 6 25.09 0.698207 7 0 1 0 0 0 G23 816 23 39.66 0.769529 26 1 2 0 0 0 G24 1106 3 24.38 0.965186 3 0 2 0 0 0 G26 1002 8 29.54 0.710868 5 2 1 0 0 0 G27 926 1 42.83 0.344940 0 0 0 0 0 0 G28 1122 9 25.06 0.697843 14 0 0 0 0 0 G29 787 1 43.29 0.604261 3 0 0 0 0 0 G30 891 1 41.36 0.378370 3 0 0 0 0 0 G31 973 2 31.32 0.708225 2 1 1 0 0 0 G32 827 0 43.73 0.516589 1 0 1 0 0 0 R14* 1126 3 0.00 0.615885 2 0 0 0 0 0 R15* 1049 1 0.00 0.284797 1 0 0 0 0 0 R03* 1026 14 0.00 0.810752 7 0 0 0 0 0 R13* 1019 16 0.00 0.911378 3 1 0 0 0 0 R17* 1077 3 0.00 0.617754 3 0 0 0 0 0 R18* 1008 12 0.00 0.727047 6 0 0 0 0 0 R07* 863 16 0.00 1.659256 3 0 0 0 0 0 R19* 979 9 0.00 0.654630 2 0 0 0 0 0 R08* 801 15 0.00 0.753193 0 0 0 0 0 0 R20* 922 4 0.00 0.622235 7 0 1 0 0 0 R10* 916 11 0.00 0.619022 1 0 0 0 0 0 R21* 830 0 0.00 0.400205 1 0 0 0 0 0 R11* 971 9 0.00 0.489508 0 0 0 0 0 0 R02* 831 0 0.00 0.364701 1 0 0 0 0 0 * = SV with no NAV info mean MP1 rms : 0.692929 m total mean elevation : 35.70 degrees # MP1 obs > 0 : 40852 # qc MP1 slips < 25 : 247 # Rvr L1 slips < 25 : 8 # Rvr L2 slips < 25 : 44 # qc MP1 slips > 25 : 0 # Rvr L1 slips > 25 : 0 # Rvr L2 slips > 25 : 0 elev (deg) tot slps 5=% 1|m 15=% 2|m 85 - 90 159 0 0.156063 ||| 80 - 85 414 0 0.213709 |||| 75 - 80 889 0 0.198367 |||| 70 - 75 937 0 0.210662 |||| 65 - 70 1410 0 0.235612 ||||| 60 - 65 1289 0 0.219472 |||| 55 - 60 1168 0 0.223326 |||| 50 - 55 1408 0 0.258486 ||||| 45 - 50 1742 0 0.290515 |||||| 40 - 45 1557 0 0.333556 ||||||| 35 - 40 1715 0 0.370146 ||||||| 30 - 35 1680 0 0.411688 |||||||| 25 - 30 2211 0 0.516229 |||||||||| 20 - 25 2357 0 0.662015 ||||||||||||| 15 - 20 2449 7 0.841294 ||||||||||||||||| 10 - 15 2557 28 0.952072 ##||||||||||||||||| 5 - 10 2722 89 1.622595 ######|||||||||||||||||||||||||| 0 - 5 853 86 1.504225 ####################|||||||||| < 0 2 0 0.137807 ||| MP2 RMS summary (per SV): slips L1 rx L2 rx slips L1 rx L2 rx SV obs> 0 # del MP2 rms [m] < 25 < 25 < 25 > 25 > 25 > 25 G02 1048 1 25.81 0.968677 2 0 2 0 0 0 G03 879 0 42.29 0.488956 0 0 0 0 0 0 G04 890 13 34.21 2.793986 14 0 5 0 0 0 G05 772 17 42.30 0.455244 11 0 3 0 0 0 G06 909 1 42.49 1.327504 2 0 0 0 0 0 G07 977 19 29.90 0.736724 20 1 6 0 0 0 G08 846 6 37.51 0.753613 6 0 1 0 0 0 G09 879 0 40.91 0.334287 1 0 0 0 0 0 G10 785 3 44.24 1.196912 10 1 2 0 0 0 G11 882 2 43.32 0.716233 2 0 2 0 0 0 G12 869 1 42.50 0.379026 2 0 1 0 0 0 G13 789 7 44.04 0.614187 14 0 1 0 0 0 G14 1068 4 26.32 0.710481 11 0 1 0 0 0 G15 872 1 43.10 0.486893 3 0 0 0 0 0 G16 786 2 45.03 0.708969 7 0 1 0 0 0 G17 1090 2 25.03 0.729577 4 0 0 0 0 0 G18 1135 14 23.66 0.730614 17 0 5 0 0 0 G19 881 3 42.49 0.447823 2 0 1 0 0 0 G20 873 0 42.86 0.546805 5 1 1 0 0 0 G21 950 13 31.70 1.311980 14 0 3 0 0 0 G22 1080 6 25.09 0.700002 9 0 1 0 0 0 G23 816 23 39.66 0.837469 26 1 2 0 0 0 G24 1106 3 24.38 1.109477 5 0 2 0 0 0 G26 1002 8 29.54 0.519284 5 2 1 0 0 0 G27 926 1 42.83 0.292222 0 0 0 0 0 0 G28 1122 9 25.06 0.723206 14 0 0 0 0 0 G29 787 1 43.29 0.457281 4 0 0 0 0 0 G30 891 1 41.36 0.822488 1 0 0 0 0 0 G31 973 2 31.32 0.575688 2 1 1 0 0 0 G32 827 0 43.73 0.444334 1 0 1 0 0 0 R14* 1126 3 0.00 0.571153 3 0 0 0 0 0 R15* 1049 1 0.00 0.289745 1 0 0 0 0 0 R03* 1026 14 0.00 0.665610 7 0 0 0 0 0 R13* 1019 16 0.00 0.807322 4 1 0 0 0 0 R17* 1077 3 0.00 0.545230 3 0 0 0 0 0 R18* 1008 12 0.00 0.858387 7 0 0 0 0 0 R07* 863 16 0.00 0.691237 5 0 0 0 0 0 R19* 979 9 0.00 0.568192 2 0 0 0 0 0 R08* 801 15 0.00 0.635433 0 0 0 0 0 0 R20* 922 4 0.00 0.698769 7 0 1 0 0 0 R10* 916 11 0.00 0.617557 1 0 0 0 0 0 R21* 830 0 0.00 0.392554 1 0 0 0 0 0 R11* 971 9 0.00 0.451498 0 0 0 0 0 0 R02* 831 0 0.00 0.430727 1 0 0 0 0 0 * = SV with no NAV info mean MP2 rms : 0.709208 m total mean elevation : 35.70 degrees # MP2 obs > 0 : 40852 # qc MP2 slips < 25 : 256 # Rvr L1 slips < 25 : 8 # Rvr L2 slips < 25 : 44 # qc MP2 slips > 25 : 0 # Rvr L1 slips > 25 : 0 # Rvr L2 slips > 25 : 0 elev (deg) tot slps 5=% 1|m 15=% 2|m 85 - 90 159 0 0.158595 ||| 80 - 85 414 0 0.175604 |||| 75 - 80 889 0 0.155436 ||| 70 - 75 937 0 0.168367 ||| 65 - 70 1410 0 0.197243 |||| 60 - 65 1289 0 0.184110 |||| 55 - 60 1168 0 0.202951 |||| 50 - 55 1408 0 0.220332 |||| 45 - 50 1742 0 0.246006 ||||| 40 - 45 1557 0 0.295063 |||||| 35 - 40 1715 0 0.372029 ||||||| 30 - 35 1680 0 0.400251 |||||||| 25 - 30 2211 0 0.493616 |||||||||| 20 - 25 2357 0 0.766358 ||||||||||||||| 15 - 20 2449 8 0.816041 |||||||||||||||| 10 - 15 2557 26 0.998754 ##|||||||||||||||||| 5 - 10 2722 93 2.023315 ######|||||||||||||||||||||||||||||||||| 0 - 5 853 87 2.096702 ####################|||||||||||||||||||||| < 0 2 0 0.638412 ||||||||||||| S/N L1 summary (per elevation bin): elev (deg) tot SN1 sig mean 2|0 4|0 6|0 8|0 85 - 90 159 4.024 50.134 ##||||||||||||||||||||||| 80 - 85 414 2.575 50.637 #|||||||||||||||||||||||| 75 - 80 890 1.770 50.594 #|||||||||||||||||||||||| 70 - 75 937 1.698 50.615 #|||||||||||||||||||||||| 65 - 70 1410 1.397 50.584 #|||||||||||||||||||||||| 60 - 65 1289 1.450 50.480 #|||||||||||||||||||||||| 55 - 60 1168 1.519 50.327 #|||||||||||||||||||||||| 50 - 55 1409 1.405 50.085 #|||||||||||||||||||||||| 45 - 50 1742 1.339 49.525 #|||||||||||||||||||||||| 40 - 45 1558 1.413 48.941 #||||||||||||||||||||||| 35 - 40 1716 1.385 48.055 #||||||||||||||||||||||| 30 - 35 1680 1.440 46.988 #|||||||||||||||||||||| 25 - 30 2213 1.550 45.469 #|||||||||||||||||||||| 20 - 25 2357 1.704 44.105 #||||||||||||||||||||| 15 - 20 2451 2.061 42.291 #|||||||||||||||||||| 10 - 15 2565 2.198 40.695 #||||||||||||||||||| 5 - 10 2810 2.409 38.943 #|||||||||||||||||| 0 - 5 942 2.972 36.992 #||||||||||||||||| < 0 2 25.986 18.375 #########==== S/N L2 summary (per elevation bin): elev (deg) tot SN2 sig mean 2|0 4|0 6|0 8|0 85 - 90 159 4.070 50.126 ##||||||||||||||||||||||| 80 - 85 414 2.731 50.984 #|||||||||||||||||||||||| 75 - 80 890 2.001 50.463 #|||||||||||||||||||||||| 70 - 75 937 1.855 49.898 #|||||||||||||||||||||||| 65 - 70 1410 1.524 49.483 #|||||||||||||||||||||||| 60 - 65 1289 1.547 48.898 #||||||||||||||||||||||| 55 - 60 1168 1.631 48.141 #||||||||||||||||||||||| 50 - 55 1409 1.588 47.186 #||||||||||||||||||||||| 45 - 50 1742 1.716 45.891 #|||||||||||||||||||||| 40 - 45 1558 1.761 44.653 #||||||||||||||||||||| 35 - 40 1716 1.884 42.932 #|||||||||||||||||||| 30 - 35 1680 1.875 41.374 #|||||||||||||||||||| 25 - 30 2213 1.997 39.562 #||||||||||||||||||| 20 - 25 2357 2.303 37.946 #|||||||||||||||||| 15 - 20 2450 2.916 36.123 #||||||||||||||||| 10 - 15 2558 3.318 34.397 ##||||||||||||||| 5 - 10 2731 4.051 32.299 ##|||||||||||||| 0 - 5 866 5.041 30.514 ###|||||||||||| < 0 2 16.971 12.000 ######==