Topic 18 EMCON/SATVULTopic 18 EMCON/SATVUL

Enabling Objectives18.1 DEFINE Emission Control including the advantages, disadvantages and planning considerations for emitter use.18.2 DEFINE the requirements of the EMCON Bill and EMCON status cards.18.3 DISCUSS shipboard EMCON organization including EMCON Control Center, Intermediate Control Stations, and Equipment Control Stations. 18.4 DEFINE SATVUL to include prediction programs and Charlie elements.

Emission ControlEmission ControlDefinition: Selective control of the use of electromagnetic, acoustic, or other emittersDefinition: Selective control of the use of electromagnetic, acoustic, or other emittersto optimize C2 capabilities while minimizing:to optimize C2 capabilities while minimizing: 1. detection by enemy sensors1. detection by enemy sensors

2. mutual interference among friendly systems2. mutual interference among friendly systems

3. compromise of a MILDEC plan.3. compromise of a MILDEC plan.

Advantages and Disadvantages of Emitter UseAdvantages and Disadvantages of Emitter Use

AdvantagesAdvantages

Can deny the enemy the ability to detect and engage friendly forcesCan deny the enemy the ability to detect and engage friendly forces

Can delay or disrupt the enemy’s preparationsCan delay or disrupt the enemy’s preparations

Restricting radiation reduces friendly EMIRestricting radiation reduces friendly EMI

DisadvantagesDisadvantages

Loss of detection informationLoss of detection information

Reduced readinessReduced readiness

Safety and Navigation factorsSafety and Navigation factors

Vulnerability of the emitter to adversary collection capabilitiesVulnerability of the emitter to adversary collection capabilities

Countering SATVUL may be different than countering shore HFDFCountering SATVUL may be different than countering shore HFDFcollection sitescollection sites

Current adversary information about friendly forcesCurrent adversary information about friendly forces

If reason to believe SG has been detected, the risks of long-range cuingIf reason to believe SG has been detected, the risks of long-range cuingfrom sonar or radar may be less importantfrom sonar or radar may be less important

Activity timingActivity timing

EMCON may be most beneficial leading up to operationsEMCON may be most beneficial leading up to operations

Planning Considerations for Emitter UsePlanning Considerations for Emitter Use

EMISSION CONTROL BillEMISSION CONTROL BillImplements EMCON changes with optimal speed and efficiency

Outlines appropriate shipboard emitter status

Establishes EMCON Control Center

Designates Intermediate Control Stations (ICS) and Equipment Control Stations (ECS)

Designates individual responsibility for each shipboard emitter

Provides procedures for:

Intraship reporting

Verification of emitter status

Monitoring of own ship’s emitter status

Commanding OfficerCommanding Officer

Tactical Actions OfficerTactical Actions Officer

CIC Watch OfficerCIC Watch Officer

EMCON Control CenterEMCON Control Center

Executive OfficerExecutive Officer

EW/SSESEW/SSES

CICCICTel:Tel:

IFF RoomIFF RoomTel:Tel:

EquipmentEquipmentOperatorOperatorTel:Tel:

ET ShopET ShopTel:Tel:

LAMPS LAMPS DetDetTel:Tel:

WeaponsWeaponsOfficeOfficeTel:Tel:

SONARSONARTel:Tel:

BridgeBridgeTel:Tel:

RadioRadioCentralCentralTel:Tel:

Fire CNTRLFire CNTRLRoom 1Room 1Tel:Tel:

Fire CNTRLFire CNTRLRoom 1Room 1Tel:Tel:

DirectorDirectorControlControlTel:Tel:

RADARRADARRoom 1Room 1Tel:Tel:

TACANTACANRoomRoomTel:Tel:

UHFUHFRoom 1Room 1Tel:Tel:

UHF/VHF/UHF/VHF/HF Room 2HF Room 2Tel:Tel:

SONARSONAREquip. RoomEquip. RoomTel:Tel:

Signal Signal BridgeBridgeTel:Tel:

EquipmentEquipmentSpaceSpaceTel:Tel:

IntermediateControl Stations

EquipmentControl Stations

Sample Shipboard EMCON Organization ChartSample Shipboard EMCON Organization Chart

EMCON Control Center (ECC)EMCON Control Center (ECC)

Intermediate Control StationsIntermediate Control Stations

Control over or primary responsibility for operating groups of radiating equipment

Set EMCON as directed by ECC

Maintain an EMCON status board

Relay EMCON orders to ECSs under their control

Report when EMCON is set

Authorize activation of any radiating equipment (with permission of ECC)

Inform ECC of any violations

CICCICTel:Tel:

ET ShopET ShopTel:Tel:

LAMPS LAMPS DetDetTel:Tel:

WeaponsWeaponsOfficeOfficeTel:Tel:

SONARSONARTel:Tel:

BridgeBridgeTel:Tel:

RadioRadioCentralCentralTel:Tel:

Equipment Control StationsEquipment Control Stations

Contain electromagnetic or acoustic equipment, or a control unit for such equipment

Change the radiation status of emitters to comply with EMCON orders

Set equipment to comply with ordered EMCON condition and report such to ICS

Update EMCON status card

Inform ICS of any violations

IFF RoomIFF RoomTel:Tel:

EquipmentEquipmentOperatorOperatorTel:Tel:

Fire CNTRLFire CNTRLRoom 1Room 1Tel:Tel:

Fire CNTRLFire CNTRLRoom 1Room 1Tel:Tel:

DirectorDirectorControlControlTel:Tel:

RADARRADARRoom 1Room 1Tel:Tel:

TACANTACANRoomRoomTel:Tel:

UHFUHFRoom 1Room 1Tel:Tel:

UHF/VHF/UHF/VHF/HF Room 2HF Room 2Tel:Tel:

SONARSONAREquip. RoomEquip. RoomTel:Tel:

Signal Signal BridgeBridgeTel:Tel:

EquipmentEquipmentSpaceSpaceTel:Tel:

EMCON STATUS CARD

EQUIPMENT:___________________ LINE NUMBER_____________________________

AFTER SETTING EMCON, REPORT TO: __________________PHONE: _____________

CURRENT EMCON CONDITION: _____________________________________________

CURRENT EQUIPMENT STATUS: ____________________________________________

PERSON SETTING EMCON: ________________________________________________

DATE AND TIME EMCON SET: ______________________________________________

EMCONCONDITION

ACTION REQUIRED

DELTACHARLIEBRAVOALPHA ONEALPHA

UNCLASSIFIED (CONFIDENTIAL WHEN COMPLETED)

Satellite VulnerabilitySatellite Vulnerability

Ship’s emissions may radiate in all directionsShip’s emissions may radiate in all directions

Vulnerable to detection by space-based sensorsVulnerable to detection by space-based sensors

SATVUL is designed to mitigate this vulnerabilitySATVUL is designed to mitigate this vulnerability

Sample Charlie Element Message KeySample Charlie Element Message Key

11111.2222222.3333333.44444.5555555.6666666.7777777.8888888.999999.AAB11111.2222222.3333333.44444.5555555.6666666.7777777.8888888.999999.AAB11111.2222222.3333333.44444.5555555.6666666.7777777.8888888.999999.AAB

Field 1: Space Control Center (SCC) NumberField 1: Space Control Center (SCC) NumberField 2: Mean AnomalyField 2: Mean AnomalyField 3: Mean MotionField 3: Mean MotionField 4: Decay CoefficientField 4: Decay CoefficientField 5: EccentricityField 5: EccentricityField 6: Argument of PerigeeField 6: Argument of PerigeeField 7: Longitude of Ascending NodeField 7: Longitude of Ascending NodeField 8: InclinationField 8: InclinationField 9: EpochField 9: EpochField 10: No longer usedField 10: No longer usedField 11: Checksum Field 11: Checksum