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Poseidon-1 passes / cycles

Onboard Topex/Poseidon, the Poseidon-1 altimeter shared the same antenna as Topex; thus only one altimeter operated at any given time. Poseidon-1 operated about 10% of the time.

During verification phase (until cycle 019), the antenna sharing plan were based on a repeated pattern consisting of a set of five 10-day cycles (Poseidon on: cycle 1, passes 018 to 044, passes 220 to 246; cycle 3, passes 220 to 254; cycle 4, passes 001 to 044 and cycle 5, passes 220 to 246).
From cycle 020 to 307, Poseidon has been on for one cycle in ten. Next Poseidon-1 cycle (361) was during Jason-1 calibration phase.

Cycle (N/A) (Aug 21 - Aug 25, 1992)  
Cycle (N/A) (Sep 11 - Sep 14 1992)  
Cycle 000 (Sep 21 - Sep 23 1992)passes 215-254
Cycle 001 (Sep 23 - Sep 24 1992)passes 000-022
Cycle 001 (Oct 01 - Oct 02 1992)passes 219-245
Cycle 003 (Oct 21 - Oct 22 1992)passes 221-254
Cycle 004 (Oct 22 - Oct 24 1992)passes 000-044
Cycle 005 (Nov 10 - Nov 11 1992)passes 219-245
Cycle 006 (Nov 12 - Nov 13 1992)passes 018-046
Cycle 006 (Nov 20 - Nov 21 1992)passes 219-245
Cycle 008 (Dec 10 - Dec 11 1992)passes 219-254
Cycle 009 (Dec 11 - Dec 13 1992)passes 000-046
Cycle 011 (Jan 08 - Jan 09 1993)passes 219-245
Cycle 012 (Jan 11 - Jan 11 1993)passes 021-046
Cycle 012 (Jan 18 - Jan 19 1993)passes 217-243
Cycle 013 (Jan 28 - Jan 30 1993)passes 214-254
Cycle 014 (Jan 30 - Jan 31 1993)passes 000-045
Cycle 015 (Feb 17 - Feb 18 1993)passes 217-247
Cycle 016 (Feb 19 - Feb 20 1993)passes 020-048
Cycle 016 (Feb 27 - Feb 28 1993)passes 218-244
Cycle 020 (Mar 30 - Apr 09 1993)passes 006-254
Cycle 031 (Jul 17 - Jul 27 1993)all passes (001-254)
Cycle 041 (Oct 24 - Nov 03 1993)all passes (001-254)
Cycle 055 (Mar 12 - Mar 22 1994) all passes (001-254)
Cycle 065 (Jun 19 - Jun 29 1994) all passes (001-254)
Cycle 079 (Nov 05 - Nov 15 1994) all passes (001-254)
Cycle 091 (Mar 04 - Mar 14 1995) all passes (001-254)
Cycle 097 (May 03 - May 12 1995) all passes (001-254)
Cycle 103 (Jul 01 - Jul 11 1995) all passes (001-254)
Cycle 114 (Oct 18 - Oct 28 1995) all passes (001-254)
Cycle 126 (Feb 14 - Feb 24 1996) all passes (001-254)
Cycle 138 (Jun 12 - Jun 21 1996) all passes (001-254)
Cycle 150 (Oct 09 - Oct 19 1996) all passes (001-254)
Cycle 162 (Feb 05 - Feb 15 1997) all passes (001-254)
Cycle 174 (Jun 04 - Jun 14 1997) all passes (001-254)
Cycle 180 (Aug 03 - Aug 12 1997) all passes (001-254)
Cycle 186 (Oct 01 - Oct 11 1997) all passes (001-254)
Cycle 197 (Jan 18 - Jan 28 1998) all passes (001-254)
Cycle 209 (May 17 - May 27 1998) all passes (001-254)
Cycle 216 (Jul 26 - Aug 04 1998) all passes (001-254)
Cycle 224 (Oct 13 - Oct 23 1998) all passes (001-254)
Cycle 234 (Jan 20 - Jan 30 1999) all passes (001-254)
Cycle 246 (May 19 - May 29 1999) all passes (001-254)
Cycle 256 (Aug 26 - Sep 05 1999) all passes (001-254)
Cycle 266 (Dec 03 - Dec 13 1999) all passes (001-254)
Cycle 278 (Mar 31 - Apr 10 2000) all passes (001-254)
Cycle 289 (Jul 18 - Jul 28 2000) all passes (001-254)
Cycle 295 (Sep 16 - Sep 26 2000) all passes (001-254)
Cycle 307 (Jan 13 - Jan 23 2001) all passes (001-254)
Cycle 361(Jul 2 - Jul 12 2002) all passes (001-254)

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