Keck II Segment Maps

By Date of Segment Exchange

Some of the segment numbers (SN) links below may not yet have been updated.

This table lists current segment number measurements.

 
 
 
Date:
Notes:

Pre June 23, 1999

All segment SN's verified by Jon Seerveld prior to June 23, 1999 segment exchange.

June 23, 1999

Changed SP(new SN): 14(78), 15(50), 30(23)

September 21, 1999

Changed SP(new SN): 5(63), 16(18)

September 28, 1999

Changed SP(new SN): 31(80), 32(64)

October 26, 1999

Changed SP(new SN): 17(14), 33(78), 34(42)

January 19, 2000

Changed SP(new SN): 6(65), 18(9), 35(45)

February 15, 2000

Changed SP(new SN): 1(2), 3(13), 36(35)

April 18, 2000

Changed SP(new SN): 8(81), 19(41), 20(59), 21(72)

May 17, 2000

Changed SP(new SN): 2(8), 9(12), 22(84)

June 13, 2000

Changed SP(new SN): 10(82), 23(66), 24(79), 25(87)

July 10, 2000

Changed SP(new SN): 3(5), 11(11), 26(68)

November 9, 2000

Chalnged SP(new SN): 12(86), 27(77), 28(88)

December 6, 2000

Changed SP(new SN): 4(7), 13(15), 29(69)

May 22, 2002

Changed SP(new SN): 5(46), 14(31), 30(71)

May 23, 2002

Changed SP(new SN): 15(56), 31(20), 32(62)
June 18, 2002 Changed SP(new SN): 6(63), 16(22), 33(23)
June 19, 2002 Changed SP(new SN):  17(50), 34(80), 35(61)
July 23, 2002 Changed SP(new SN):  18(78), 36(38), 19(42)
July 24, 2002 Changed SP(new SN):  1(65), 7(14), 20(45)
August 27,2002 Changed SP(new SN):  8(9), 21(35), 22(41)
August 28, 2002 Changed SP(new SN):  2(2), 9(54), 23(59)
September 17, 2002 Changed SP(new SN):  10(81), 24(72), 25(84)
September 18, 2002 Changed SP(new SN):  3(8), 11(12), 26(66)
October 15, 2002 Changed SP(new SN):  12(82), 27(79), 28(87)
November 13 , 2002 Changed SP(new SN):  4(5), 13(13), 29(65)
May 4, 2004 Changed SP(new SN):  31(39), 30(33), 14(25)
May 5, 2004 Changed SP(new SN):  32(44), 15(58), 5(49)
June 28, 2004 Changed SP(new SN):  34(20), 33(71), 16(31)
June 29, 2004 Changed SP(new SN):  35(62), 17(56), 6(46)
July 27, 2004 Changed SP(new SN):  19(80), 36(23), 18(70)
July 28, 2004 Changed SP(new SN):  20(21), 7(24), 1(63)
August 24, 2004 Changed SP(new SN):  22(42), 21(38), 8(22)
August 25, 2004 Changed SP(new SN):  10(78), 9(50), 2(65), 23(61)
September 29, 2004 Changed SP(new SN):  25(41), 24(35), 11(14)
September 30, 2004 Changed SP(new SN):  26(45), 12(9), 29(59), 13(54)
October 20, 2004 Changed SP(new SN):  3(4), 27(72), 28(84)
September 14 , 2007 Last Coating to M3
September 1 , 2009 Changed SP(new SN):  13(17), 27(75) and Last Coating to M2, M3
September 30, 2009 Changed SP(new SN):  4(51), 15(53), 32(69)
October 28, 2009 Changed SP(new SN):  24(72), 25(19)
December 3, 2009 Changed SP(new SN):  9(58), 22(40), 5(05), 14(30)
March 31, 2010 Changed SP(new SN):  30(35), 31(41)
April 1, 2010 Changed SP(new SN):  3(49), 12(25), 26(44)
June 23 , 2010 Changed SP(new SN):  6(4), 16(9), 33(33)
June 24 , 2010 Changed SP(new SN):  11(54), 10(74), 23(45)
July 21 , 2010 Changed SP(new SN):  17(50), 35(61), 34(42)
July 22, 2010 Changed SP(new SN):  2(46), 8(78), 21(71)
September 22, 2010 Changed SP(new SN):  7(14), 18(31), 19(39)
September 23, 2010 Changed SP(new SN):  36(38), 28(20), 29(62)
December 5, 2010

Last Coating to M3

November 5, 2012

After K2 segment exchange in 2012

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  Last updated August 3, 2011 ctyau