Deep Space Relay Operations

CALLISTO RELAY — SHIFT HANDOVER

TRANSFER PENDING
GET 00:04:19:41

Outgoing · Console 2 · Shift B · CDR M. Okonkwo · Backroom EECOM T. Vance

Incoming · Console 3 · Shift C · CDR R. Halvorsen · Backroom EECOM P. Adeyemi

Configuration NO-GO for transfer until checklist verified and sign-off armed

Outgoing Shift / Console 2
DURATION 08:00:00
EVENTS 14
ACTIVE CAUTIONS 02
Standing Annunciators At Handover
Carrier
Gyro
Thermal
Dish Drive
Spare

Two standing cautions handed over as-is — Gyro drift within limit, Thermal loop held at caution. Carrier advisory locked.

Handover Checklist / Incoming Verify
VERIFIED 0/8
Verification Items
  1. Confirm downlink lock on Console 2. Verify signal margin at or above 8.0 DB. PENDING
  2. Verify Bus A voltage within 27.5–29.0 VDC. If below range, hold at NO-GO. PENDING
  3. Confirm AUTO TRACK set to ON and dish following the predicted handover azimuth of 142.6 DEG. PENDING
  4. Acknowledge the standing GYRO drift caution. Confirm drift within limit at 0.04 DEG/S. PENDING
  5. Acknowledge the standing THERMAL loop caution held from GET 00:04:16:47. Confirm loop B temperature stable. PENDING
  6. Confirm S-BAND and X-BAND carriers locked. Verify downlink rate at 256 KBPS. PENDING
  7. Read the outgoing operator note and the incident log below. Confirm no open items carried into the shift. PENDING
  8. Verify the relay handover window at GET 00:04:20:00. Confirm Console 3 ready to receive. PENDING
Standing Telemetry / Snapshot
SNAPSHOT FROZEN
Standing Values — Snapshot At GET 00:04:20:00
Bus A Volts28.4 VDC
Dish Azimuth142.6 DEG
Signal Margin8.4 DB
Downlink Rate256 KBPS
Gyro Drift0.04 DEG/S
Cabin Press14.7 PSIA
Operator Notes / Console 2 To Console 3
ACK AWAITING
Outgoing — CDR M. Okonkwo
Gyro drift steady at 0.04 deg/s all shift, well within limit — no action taken, watch it on your rev. Thermal loop B held at caution since 04:16, temperature flat, master alarm acknowledged. Dish tracking clean on auto. Recorder at 12 percent, plan a dump early. Nothing open. Good relay.
Console Transfer / Sign-Off
STATE READY
Sign-Off
Outgoing Sign-Off — Recorded
CDR OkonkwoM.O.
EECOM VanceT.V.
Transfer Console — arm, then execute within the window
Comms Log / Handover
SOURCE DSN 43
04:12:05SHIFT HANDOVER FROM CONSOLE 1 COMPLETE
04:13:41DOWNLINK CARRIER LOCKED
04:16:47GYRO DRIFT CAUTION RAISED
04:18:02HANDOVER CHECKLIST OPENED FOR CONSOLE 3
Incidents / Outgoing Shift
COUNT 03
04:16:47GYRO DRIFT CAUTION RAISED — WITHIN LIMIT, HELD
04:31:10THERMAL WARNING RAISED — LOOP B OVER LIMIT
04:33:52MASTER ALARM ACKNOWLEDGED — THERMAL AT CAUTION