From freja-info-mgr@plasma.kth.se Wed Mar 23 14:18 MET 1994 X-Listname: Freja Project Information mailing list Warnings-To: <> Date: Wed, 23 Mar 1994 14:17:46 +0100 From: "Lars Blomberg, KTH Stockholm" To: freja-info@plasma.kth.se Cc: blomberg@plasma.kth.se Subject: Freja operations 28-31 March 1994 Dear Colleagues, Here is the Freja operations plan for the last days of March 1994. This is also the last plan from F1 for now. F2 is next... ***************************************************************************** * MIR has announced a firing of the gun on orbit 7128, 1994-03-29 15:50:10 * * UT. This pass has not been planned as operational by FOC. If possible, we * * would like data to be taken also during this pass. Could Stig-Ove please * * confirm whether this is possible. Thanx! * ***************************************************************************** This plan includes: 1) Data taking orbits. Based on the actual plan from FOC. 2) High TM-rate. 6 passes/day, no changes. 3) Burst. 2 passes/day, rotating F1, F2, F4, as usual. We continue using the "gradual" force trig, decreasing the trig level successively, starting at LOS-20min and ending at LOS-8min. We still do this only when F1 is used as trigger, and we reduce our trigger threshold in 5 steps from 0.3 Volts to 0 Volts. The operations of the F2 and F4 burst orbits are unchanged. Thus, the burst should be done in the following way: PASS AOS+5min: Enable burst ESS LOS-Xmin: Force trig. X is given below for each burst orbit. X should always be 20min for the F1 burst orbits. ESS LOS-8min: Dump burst data. 4) Special/standard orbits. F4 decides, no change. 5) Survey mode. 2 surveys/day. Survey type: Abbrev: Duration: Medium SM 10 minutes Coarse SC Full orbit 6) Syowa. One pass/day except for weekends, no change. 7) Cancellation order. No change: 1) First ESS pass in a passage group 2) Last PASS pass in a passage group 3) Second last PASS pass in a passage group 4) Second survey of the day Please send all correspondence to the following address: freja-f1@plasma.kth.se (Internet) or plafys::freja-f1 (SPAN/DECnet) Best regards, Goran Marklund Per-Arne Lindqvist Lars Blomberg Magnus Andersson F1 team at KTH Orbit plan: Monday------------------------------------------------------------------ Mar 28 7107 ESS Hi TM Dump at LOS-8min 7108 PASS ESS Hi TM Burst (F4) Force trig at LOS-14min 7109 PASS ESS Hi TM Burst (F4) Force trig at LOS-11min 7110 PASS ESS Hi TM 7111 PASS SYO Hi TM 7112 PASS 7113 PASS 7114 PASS 7115 PASS 7116 no data 7117 no data 7118 ESS 7119 ESS SM 00:29 UT (eq.) Tuesday----------------------------------------------------------------- Mar 29 7120 ESS Hi TM Dump at AOS SC (full orbit) 7121 ESS Hi TM Dump at LOS-8min 7122 PASS ESS Hi TM Burst (F1) Force trig at LOS-20min 7123 PASS ESS Hi TM Burst (F1) Force trig at LOS-20min 7124 PASS Hi TM 7125 PASS SYO Hi TM 7126 PASS 7127 PASS 7128 MIR gun fired 15:50:10-15:51:10 7129 no data 7130 ESS 7131 ESS 7132 ESS SC (full orbit) Wednesday--------------------------------------------------------------- Mar 30 7133 ESS Hi TM Dump at AOS SM 01:31 UT (S pole) 7134 ESS Hi TM Dump at LOS-8min 7135 PASS ESS Hi TM Burst (F1) Force trig at LOS-20min 7136 PASS ESS Hi TM Burst (F1) Force trig at LOS-20min 7137 PASS Hi TM 7138 PASS SYO Hi TM 7139 PASS 7140 PASS 7141 no data 7142 no data 7143 ESS 7144 ESS 7145 ESS SC (full orbit) Thursday---------------------------------------------------------------- Mar 31 7146 ESS Hi TM Dump at AOS SM 01:31 UT (eq.) 7147 ESS Hi TM Dump at LOS-8min 7148 PASS ESS Hi TM Burst (F2) Force trig at LOS-22min 7149 PASS ESS Hi TM Burst (F2) Force trig at LOS-16min 7150 PASS Hi TM 7151 PASS SYO Hi TM 7152 PASS 7153 PASS 7154 PASS 7155 no data 7156 no data 7157 ESS 7158 ESS SC (full orbit) 7159 ESS Hi TM Dump at AOS SM 00:44 UT (S pole) Good luck in April, Larry!