In service SatComs

Question 1

SKYNET characteristics:

Answer 1

1. 7 operational military satellites
2. High power 160W transponders
3. 15 active transponders: bandwidth 20MHz - 40MHz
4. 9 UHF channels
5. Nuclear hardening, anti-jamming CMs, laser protection

Question 2

INMERSAT Constellation:

Answer 2

. 14 satellites in GEO
. Operates in l-band, ka-band, s-band

Question 3

INMERSAT L-band:

Answer 3

BGAN, fleet broadband + swift broadband voice and data and IoT, machine to mach

Question 4

INMERSAT Ka-band:

Answer 4

Intelligence, surveillance, reconnaissance community

Question 5

INMERSAT S-band:

Answer 5

European Aviation Network

Question 6

In-service SatComs:

Answer 6

1. Very Small Aperture Terminal (VSAT)
2. Reacher
3. Communi Case Technology (CCT 120)
4. Snapper Mantis
5. BGAN
6. Iridium

Question 7

VSAT

Answer 7

Primary anchor points: Colerne, Oakhanger

Question 8

Reacher:

Answer 8

X-band satellite.
Services:
. 8 x IEC voice
. 4 x IEC data
. 1 x restricted LAN interconnect (RLI)
. 1 x secret LAN interconnect (SLI)

Colerne + Oakhanger

Question 9

CCT 120

Answer 9

. Rapidly deployable
. Simple to use capability
. Supports enduring operations and medium sized HQ deployments
. Breaks down into 3 suitcases
. Operational within 5 mins

Question 10

Snapper Mantis:

Answer 10

Services:
. 2 x IEC voice
. 4 x IEC data

Enough for platoon

Question 11

BGAN

Answer 11

Provides small portable terminals with internet access in remote locations.

Question 12

Iridium:

Answer 12

Anchor points: OCR, PJHQ
Crypto requirements:
. Iridium 9505 insecure handset - insecure calls only
. Iridium 9505A secure capable handset - connection allows to communication up to SECRET level

Question 13

RadHaz generic safety procedure:

Answer 13

. Protection from RF radiation
. Use of PPE
. Risk Assessment
. Maintenance of high equipment

Question 14

Threat to health from RadHaz:

Answer 14

. Static shock
. Increased risk of falling from heights
. Effects similar to tinnitus
. Body hearing and risk of tissue damage, heat stroke, and burns
. Interference with devices such as pacemakers
. Electronic shocks and burns

Question 15

Correct safety distance for RadHaz:

Answer 15

. Transmit power
. Antenna size
. Elevation