Technical Supplement to Application for ES Authori SUPPLEMENT by O3b Limited SES-LIC-20130618-00516 Technical Narrative

Technical Narrative

SUPPLEMENT submitted by O3b Limited

Technical Supplement to Application for ES Authori

2013-07-24

This document pretains to SES-LIC-20130618-00516 for License on a Satellite Earth Station filing.

IBFS_SESLIC2013061800516_1005078

O3B NON-GEOSTATIONARY SATELLITE SYSTEM

Technical Information to Supplement the Existing Schedule S
for the Virginia Earth Station

(FCC File No. SES-LIC-20130618-00516)

A.1 Scope

A Schedule S for the O3b non-geostationary satellite system was filed with the Commission as
part of the license application for the Hawaii gateway earth station. O3b incorporated the
technical information that had been filed with the Hawaii application, including the Schedule S,
in its application for an earth station in Bristow, Virginia. This filing provides further
clarification and supplements the above-referenced application by providing modified and
additional technical information that is tailored to the operation of the Virginia earth station.

O3b also wishes to clarify the nature of its proposed operations. The Virginia earth station will
be connected via the O3b satellites to O3b’s gateway earth stations and in that sense the Virginia
earth station should be viewed as a user terminal. In addition, the operational characteristics of
the Virginia earth station are within all aspects of the envelope defined for user terminals in
O3b’s Schedule S.

A.2 Predicted Space Station Antenna Gain Contours

The mid-band antenna gain contours for the O3b satellite receive and transmit beams, when
directed towards the Virginia earth station, are shown below. Only one set of beam patterns is
provided for transmit and one set for receive because all O3b satellite transmit beams are
identical and all receive beams are identical.

These beam patterns demonstrate the effects on the satellite antenna gain contours as the O3b
satellite moves in its orbit. Various satellite positions are shown starting with the O3b satellite
appearing at 15° elevation angle in the west as viewed from the Virginia earth station (see Figure

1

A.2-1). The next O3b satellite position (Figure A.2-2) is at the point when it is at the same
longitude as the Virginia earth station. The third O3b satellite position is when the O3b satellite
is disappearing below the 15° elevation angle in the east as viewed from the Virginia earth
station (Figure A.2-3). For each of these Figures both the transmit and receive antenna gain
contours are shown.

2

Figure A.2-1: Satellite antenna gain contours when O3b satellite is at 111°W

(a) Transmit

OFT
60.00

0°

50.00
North Latitude (Degrees)

-6

40.00
-2
-4 MSA
-8
-10
-2
-15
-4

-6 -8
-20 -10
30.00

-15
15°
0°
-20

20.00 -20

-110.00 -100.00 -90.00 -80.00 -70.00 -60.00 -50.00
East Longitude (Degrees)

(b) Receive

OFT
55.00

45.00

-8

-2
North Latitude (Degrees)

-4 -15
MSA
-6
-10 15°
-20 -2 0°
35.00
-4
-20
-6
-8 -10

-15 -20

25.00

-20

-100.00 -90.00 -80.00 -70.00 -60.00 -50.00
East Longitude (Degrees)

3

Figure A.2-2: Satellite antenna relative gain contours when O3b satellite is at 77.6°W

(a) Transmit

OFT
0°

60.00
-10

-8

-6
50.00
15°
North Latitude (Degrees)

-4
-20 -20

-20

40.00 -20
MSA

-15
-2 -15

-6
30.00 -8
-10
-20
-20

-110.00 -100.00 -90.00 -80.00 -70.00 -60.00 -50.00
East Longitude (Degrees)

(b) Receive

OFT
70.00

0°
60.00

-15

-20
-10
50.00
15°
North Latitude (Degrees)

-6
-4
-2
-15
40.00
-20 MSA
-20

-15
30.00 -8

-20

15°
20.00

10.00

-120.00 -110.00 -100.00 -90.00 -80.00 -70.00 -60.00 -50.00 -40.00 -30.00
East Longitude (Degrees)

4

Figure A.2-3: Satellite antenna relative gain contours when O3b satellite is at 42.5°W

(a) Transmit

FT
50.00 0°

15°
North Latitude (Degrees)

40.00
MSA -2
-4
-6
-2
-8 -10
-15
-6 -4
-8 -20

-10
30.00

-15 -20
-20

0°

20.00
-20

-100.00 -90.00 -80.00 -70.00 -60.00 -50.00
East Longitude (Degrees)

(b) Receive
OFT

60.00
0°

50.00
North Latitude (Degrees)

-15 15°

40.00
MSA
-2
-4
-6 -8
-2
-10
0° -4 -20
-8 -6 -20
-10
30.00
-20
-15

-20
-100.00 -90.00 -80.00 -70.00 -60.00 -50.00
East Longitude (Degrees)

5

A.3 Service Area

The service area designated as “U” in the original Schedule S for the O3b non-geostationary
satellite system covers all Earth locations with elevation angles to the operational O3b satellites
of greater than 3 degrees. The minimum operational elevation angle from the Virginia earth
station to the operational O3b satellite is greater than 20 degrees and so the Virginia earth station
falls within the “U” service area as defined in the existing Schedule S.

A.4 Link Budgets for the Virginia Earth Station

New representative link budgets are provided in Annex 1 for the Virginia earth station.

A.5 TT&C Characteristics

The Virginia earth station does not have TT&C capabilities.

A.6 Coordination with US Government Satellite Networks and Earth Stations

O3b has completed all necessary coordination with US government satellite networks operating
in Ka-band, including GSO and non-GSO, as well as their associated specific earth stations filed
under 9.7A and 9.7B of the ITU Radio Regulations through other administrations. O3b has also
completed coordination, according to US footnote 334 of the FCC table of frequency allocations,
with the US government, and this US334 coordination agreement specifically takes into account
O3b earth stations such as the Virginia one requested herein.

A.7 Compliance with PFD Limits

The O3b system, as filed in the Schedule S that accompanied the FCC application for the Hawaii
gateway earth station, complies with all applicable FCC Power Flux Density (“PFD”) limits.

The various FCC rules pertaining to PFD limits in the downlink bands of operation of the O3b
system are given below:

6

 §25.208(c) contains PFD limits that apply in the 18.3-18.6 GHz band which overlaps
with O3b’s frequency bands.

 §25.208(e) contains PFD limits that apply in the 18.8-19.3 GHz band which overlaps
with O3b’s frequency bands, and which applies to non-GSO systems.

There are no FCC PFD limits in the 17.8-18.3 GHz band that is also used by the O3b system.

In all the above-mentioned FCC rules regarding PFD limits the actual levels of PFD that O3b is
required to meet are as follows: 1

• -115 dB(W/m2) in any 1 MHz band for angles of arrival between 0 and 5 degrees above
the horizontal plane;

• -115+( -5)/2 dB(W/m2) in any 1 MHz band for angles of arrival (in degrees) between
5 and 25 degrees above the horizontal plane; and

• -105 dB(W/m2) in any 1 MHz band for angles of arrival between 25 and 90 degrees
above the horizontal plane.

Compliance with these PFD limits is demonstrated below using a simple worst-case
methodology. The maximum (saturated TWTA) downlink EIRP per channel (stated in the
Schedule S for the O3b system) for the O3b satellites is 49.7 dBW. Normally this EIRP is
spread across the channel bandwidth of 216 MHz which results in an EIRP density of 26.4
dBW/MHz. In some situations the spread bandwidth of this signal is reduced to 40 MHz, which
increases the maximum EIRP density to 33.7 dBW/MHz. Taking the shortest distance from the
O3b satellite to the Earth’s surface (8,062 km) the worst case (i.e., smallest) spreading loss is
149.1 dB. Therefore the highest PFD at the Earth’s surface, for the nadir situation and for the
worst case EIRP density of 33.7 dBW/MHz, is -115.4 dBW/m2/MHz, which is less than the most

1
For the O3b system the variable “X” given in the formulae in §25.208(e) is equal to zero because the number of
satellites, “n”, is less than 50.

7

Annex 1 - Representative Link Budgets

The next nine pages contain representative link budgets for communications transmissions to and
from the Virginia earth station.

A1-1

Example links for the Manassas Washington Media Port (WMP) terminal.

Created on April 22, 2013 by Jim Mowat.

Rev A update on July 22, 2013.

Carrier MODCOD Table #

54MHz in each 16APSK/0.67 FWD
direction 1,2
8PSK/0.67 RTN

54MHz in each 8PSK/0.75 FWD
direction, 99% rain QPSK/0.5 RTN 3,4

36MHz FWD and 16APSK/0.83 FWD
4.92 MHz RTN 5.6
16APSK/0.6 RTN

36MHz FWD and
8PSK/0.75
4.92 MHz RTN, 7, 8
QPSK/0.5
99.5% rain

O3b Network Link Analysis - Tier 2 Service For WMP, United States
Link Budget Creator - Rev 3.2.9: July 22, 2013 Tier 2 Tier 2
Ground Parameter Teleport Telco
Location Vernon (LHCP), United States WMP, United States
Latitude (°) 34.2 38.8
Longitude (East) (°) 260.7 282.4
E/S Maximum Range to SV (km) 9856.8 10600.8
E/S Minimmum Elevation to SV (°) 34.2 24.2
E/S Altitude (km) 0.3 0.1
SV Beam Identifier (#) 24
Minutes Into Pass (Sample #30) (Min) 14:2
Telco Spot Beam Off-Angle (°) 0.20
Telco Spot Beam Diameter (km) 71.80
Maximum Roundtrip Latency (msec) 136.48
Modulation Parameters Forward Return
Enter Receiver Type DVB-S2 DVB-S2
Modem Overhead (%) 3.0% 3.2%
Number of Carriers per Channel (#) 1 1
Available Bandwidth (Hz) 54,000,000 54,000,000
Channel Symbol Rate (sps) 45,000,000 45,000,000
Channel Modulation Type 16APSK 8PSK
Channel FEC Rate 0.67 0.67
Channel Spectral Efficiency (bits/Sym) 2.67 2.00
Channel Throughput (100% / 100% of Full Rate) (bps) 116,366,585.56 87,104,622.87
Uplink Forward Return
E/S Tx Channels per HPA (#) 5 1
E/S Tx Carrier Frequency (MHz) 28,709 28,709
E/S Tx HPA Power Level (W) 125 40
E/S Tx OBO (dB) -8.00 -10.00
E/S Tx Post-HPA Losses (dB) -2.24 -0.77
E/S Tx Antenna Gain (7.3 m / 2.4 m) (dB) 65.03 55.23
E/S Tx EIRP Per Channel (dBW) 68.77 60.48
E/S Tx Pointing Loss (dB) -0.50 -0.50
E/S Tx RF Link Availability (%) 75.000 50.000
E/S Tx Atmospheric Losses (dB) -1.15 -0.94
E/S Tx Spreading Loss (dB) -150.87 -151.50
Satellite Forward Return
SV Number of Channels per HPA (#) 1 5
SV Rx G/T (dB/K) 5.24 4.68
SV Rx Power Per Tier (dBW) -129.13 -138.39
SV Rx Flux Density Per Tier (dBW/m2) -83.75 -92.46
SV Tx OBO (ALC / ALC) (dB) -15.00 -15.00
SV Tx Post-TWTA Losses (dB) -1.50 -1.50
SV Tx Antenna Gain (dBi) 31.66 31.77
SV Tx EIRP Per Channel/Carrier (dBW) 33.28 26.41
SV Tx Pointing Loss (dB) 0.00 0.00
Downlink Forward Return
E/S Rx Carrier Frequency (MHz) 18,909 18,909
E/S Rx Wavelength (m) 0.015854 0.015854
E/S Rx RF Link Availability (%) 50 75.000
E/S Rx Atmospheric Losses (dB) -0.62 -0.76
E/S Rx Radome & Pointing Loss (dB) -0.50 -0.50
E/S Rx Antenna Gain (2.4 m / 7.3 m) (dBi) 51.4 62.24
E/S Rx Effective G/T (dB/K) 27.7 39.16
E/S Rx Power Per Channel (dBW) -114.9 -110.47
E/S Rx Flux Density Per Channel (dBW/m2) -119.3 -125.71
Total Link Forward Return
Carrier / Noise Bandwidth (dB) 76.53 76.53
Carrier / Noise Uplink (dB) 22.94 13.68
Carrier / Noise Downlink (dB) 13.43 18.52
Carrier / Intermodulation Im (C/Im) (dB) 28.66 26.64
(C/N) - Total Actual (dB) 11.31 9.08
(C/N) - Total Required (dB) 11.10 8.20
(Eb/No) - Total Actual (dB) 7.05 6.07
(Eb/No) - Total Required (dB) 6.84 5.19
Excess Margin (dB) 0.21 0.88
Fade Margin (dB) 13.51 11.28

#1

O3b Network Link Analysis - Tier 2 Service For WMP, United States
Link Budget Creator - Rev 3.2.9: July 22, 2013 Tier 2 Tier 2
Ground Parameter Teleport Telco
Location Vernon (LHCP), United States WMP, United States
Latitude (°) 34.2 38.8
Longitude (East) (°) 260.7 282.4
E/S Maximum Range to SV (km) 9856.8 10600.8
E/S Minimmum Elevation to SV (°) 34.2 24.2
E/S Altitude (km) 0.3 0.1
SV Beam Identifier (#) 24
Minutes Into Pass (Sample #30) (Min) 14:2
Telco Spot Beam Off-Angle (°) 0.20
Telco Spot Beam Diameter (km) 71.80
Maximum Roundtrip Latency (msec) 136.48
Modulation Parameters Forward Return
Enter Receiver Type DVB-S2 DVB-S2
Modem Overhead (%) 3.0% 3.2%
Number of Carriers per Channel (#) 1 1
Available Bandwidth (Hz) 54,000,000 54,000,000
Channel Symbol Rate (sps) 45,000,000 45,000,000
Channel Modulation Type 16APSK 8PSK
Channel FEC Rate 0.67 0.67
Channel Spectral Efficiency (bits/Sym) 2.67 2.00
Channel Throughput (100% / 100% of Full Rate) (bps) 116,366,585.56 87,104,622.87
Uplink Forward Return
E/S Tx Channels per HPA (#) 5 1
E/S Tx Carrier Frequency (MHz) 28,709 28,709
E/S Tx HPA Power Level (W) 125 40
E/S Tx OBO (dB) -8.00 -10.00
E/S Tx Post-HPA Losses (dB) -2.24 -0.77
E/S Tx Antenna Gain (7.3 m / 2.4 m) (dB) 65.03 55.2
E/S Tx EIRP Per Channel (dBW) 68.77 60.48
E/S Tx Radome & Pointing Loss (dB) -0.50 -0.50
E/S Tx RF Link Availability (%) 75.000 50.000
E/S Tx Atmospheric Losses (dB) -1.15 -0.94
E/S Tx Spreading Loss (dB) -150.87 -151.50
Satellite Forward Return
SV Number of Channels per HPA (#) 1 5
SV Rx G/T (dB/K) 5.24 4.68
SV Rx Power Per Tier (dBW) -129.13 -138.39
SV Rx Flux Density Per Tier (dBW/m2) -83.75 -92.46
SV Tx OBO (ALC / ALC) (dB) -15.00 -15.00
SV Tx Post-TWTA Losses (dB) -1.50 -1.50
SV Tx Antenna Gain (dBi) 31.66 31.77
SV Tx EIRP Per Channel/Carrier (dBW) 33.28 26.41
SV Tx Pointing Loss (dB) 0.00 0.00
Downlink Forward Return
E/S Rx Carrier Frequency (MHz) 18,909 18,909
E/S Rx Spreading Loss (dB) -151.50 -150.87
E/S Rx RF Link Availability (%) 50.000 75.000
E/S Rx Atmospheric Losses (dB) -0.62 -0.76
E/S Rx Pointing Loss (dB) -0.50 -0.50
E/S Rx Antenna Gain (2.4 m / 7.3 m) (dBi) 51.40 62.24
E/S Rx Effective G/T (dB/K) 27.69 39.16
E/S Rx Power Per Channel (dBW) -114.93 -110.47
E/S Rx Flux Density Per Channel (dBW/m2) -119.34 -125.71
Total Link Forward Return
Carrier / Noise Bandwidth (dB) 76.53 76.53
Carrier / Noise Uplink (dB) 22.94 13.68
Carrier / Noise Downlink (dB) 13.43 18.52
Carrier / Intermodulation Im (C/Im) (dB) 28.66 26.64
(C/N) - Total Actual (dB) 11.31 9.08
(C/N) - Total Required (dB) 11.10 8.20
(Eb/No) - Total Actual (dB) 7.05 6.07
(Eb/No) - Total Required (dB) 6.84 5.19
Excess Margin (dB) 0.21 0.88
Fade Margin (dB) 13.51 11.28

#2

O3b Network Link Analysis - Tier 2 Service For WMP, United States
Link Budget Creator - Rev 3.2.9: July 22, 2013 Tier 2 Tier 2
Ground Parameter Teleport Telco
Location Vernon (LHCP), United States WMP, United States
Latitude (°) 34.2 38.8
Longitude (East) (°) 260.7 282.4
E/S Maximum Range to SV (km) 9856.8 10600.8
E/S Minimmum Elevation to SV (°) 34.2 24.2
E/S Altitude (km) 0.3 0.1
SV Beam Identifier (#) 24
Minutes Into Pass (Sample #30) (Min) 14:2
Telco Spot Beam Off-Angle (°) 0.20
Telco Spot Beam Diameter (km) 71.80
Maximum Roundtrip Latency (msec) 136.48
Modulation Parameters Forward Return
Enter Receiver Type DVB-S2 DVB-S2
Modem Overhead (%) 3.2% 3.5%
Number of Carriers per Channel (#) 1 1
Available Bandwidth (Hz) 54,000,000 54,000,000
Channel Symbol Rate (sps) 45,000,000 45,000,000
Channel Modulation Type 8PSK QPSK
Channel FEC Rate 0.75 0.50
Channel Spectral Efficiency (bits/Sym) 2.25 1.00
Channel Throughput (100% / 100% of Full Rate) (bps) 97,988,645.58 43,439,697.13
Uplink Forward Return
E/S Tx Channels per HPA (#) 5 1
E/S Tx Carrier Frequency (MHz) 28,709 28,709
E/S Tx HPA Power Level (W) 125 40
E/S Tx OBO (dB) -8.00 -10.00
E/S Tx Post-HPA Losses (dB) -2.24 -0.77
E/S Tx Antenna Gain (7.3 m / 2.4 m) (dB) 65.03 55.23
E/S Tx EIRP Per Channel (dBW) 68.77 60.48
E/S Tx Pointing Loss (dB) -0.50 -0.50
E/S Tx RF Link Availability (%) 75.000 99.000
E/S Tx Atmospheric Losses (dB) -1.15 -11.04
E/S Tx Spreading Loss (dB) -150.87 -151.50
Satellite Forward Return
SV Number of Channels per HPA (#) 1 5
SV Rx G/T (dB/K) 5.24 4.68
SV Rx Power Per Tier (dBW) -129.13 -148.49
SV Rx Flux Density Per Tier (dBW/m2) -83.75 -102.56
SV Tx OBO (ALC / ALC) (dB) -10.00 -15.00
SV Tx Post-TWTA Losses (dB) -1.50 -1.50
SV Tx Antenna Gain (dBi) 31.66 31.77
SV Tx EIRP Per Channel/Carrier (dBW) 38.28 26.41
SV Tx Pointing Loss (dB) 0.00 0.00
Downlink Forward Return
E/S Rx Carrier Frequency (MHz) 18,909 18,909
E/S Rx Wavelength (m) 0.015854 0.015854
E/S Rx RF Link Availability (%) 99 75.000
E/S Rx Atmospheric Losses (dB) -5.59 -0.76
E/S Rx Radome & Pointing Loss (dB) -0.50 -0.50
E/S Rx Antenna Gain (2.4 m / 7.3 m) (dBi) 51.4 62.24
E/S Rx Effective G/T (dB/K) 26.2 39.16
E/S Rx Power Per Channel (dBW) -114.9 -110.47
E/S Rx Flux Density Per Channel (dBW/m2) -119.3 -125.71
Total Link Forward Return
Carrier / Noise Bandwidth (dB) 76.53 76.53
Carrier / Noise Uplink (dB) 22.94 3.57
Carrier / Noise Downlink (dB) 11.97 18.52
Carrier / Intermodulation Im (C/Im) (dB) 28.66 26.64
(C/N) - Total Actual (dB) 10.44 2.84
(C/N) - Total Required (dB) 9.50 2.80
(Eb/No) - Total Actual (dB) 6.92 2.84
(Eb/No) - Total Required (dB) 5.98 2.80
Excess Margin (dB) 0.94 0.04
Fade Margin (dB) 12.64 5.04

#3

O3b Network Link Analysis - Tier 2 Service For WMP, United States
Link Budget Creator - Rev 3.2.9: July 22, 2013 Tier 2 Tier 2
Ground Parameter Teleport Telco
Location Vernon (LHCP), United States WMP, United States
Latitude (°) 34.2 38.8
Longitude (East) (°) 260.7 282.4
E/S Maximum Range to SV (km) 9856.8 10600.8
E/S Minimmum Elevation to SV (°) 34.2 24.2
E/S Altitude (km) 0.3 0.1
SV Beam Identifier (#) 24
Minutes Into Pass (Sample #30) (Min) 14:2
Telco Spot Beam Off-Angle (°) 0.20
Telco Spot Beam Diameter (km) 71.80
Maximum Roundtrip Latency (msec) 136.48
Modulation Parameters Forward Return
Enter Receiver Type DVB-S2 DVB-S2
Modem Overhead (%) 3.2% 3.5%
Number of Carriers per Channel (#) 1 1
Available Bandwidth (Hz) 54,000,000 54,000,000
Channel Symbol Rate (sps) 45,000,000 45,000,000
Channel Modulation Type 8PSK QPSK
Channel FEC Rate 0.75 0.50
Channel Spectral Efficiency (bits/Sym) 2.25 1.00
Channel Throughput (100% / 100% of Full Rate) (bps) 97,988,645.58 43,439,697.13
Uplink Forward Return
E/S Tx Channels per HPA (#) 5 1
E/S Tx Carrier Frequency (MHz) 28,709 28,709
E/S Tx HPA Power Level (W) 125 40
E/S Tx OBO (dB) -8.00 -10.00
E/S Tx Post-HPA Losses (dB) -2.24 -0.77
E/S Tx Antenna Gain (7.3 m / 2.4 m) (dB) 65.03 55.2
E/S Tx EIRP Per Channel (dBW) 68.77 60.48
E/S Tx Radome & Pointing Loss (dB) -0.50 -0.50
E/S Tx RF Link Availability (%) 75.000 99.000
E/S Tx Atmospheric Losses (dB) -1.15 -11.04
E/S Tx Spreading Loss (dB) -150.87 -151.50
Satellite Forward Return
SV Number of Channels per HPA (#) 1 5
SV Rx G/T (dB/K) 5.24 4.68
SV Rx Power Per Tier (dBW) -129.13 -148.49
SV Rx Flux Density Per Tier (dBW/m2) -83.75 -102.56
SV Tx OBO (ALC / ALC) (dB) -10.00 -15.00
SV Tx Post-TWTA Losses (dB) -1.50 -1.50
SV Tx Antenna Gain (dBi) 31.66 31.77
SV Tx EIRP Per Channel/Carrier (dBW) 38.28 26.41
SV Tx Pointing Loss (dB) 0.00 0.00
Downlink Forward Return
E/S Rx Carrier Frequency (MHz) 18,909 18,909
E/S Rx Spreading Loss (dB) -151.50 -150.87
E/S Rx RF Link Availability (%) 99.000 75.000
E/S Rx Atmospheric Losses (dB) -5.59 -0.76
E/S Rx Pointing Loss (dB) -0.50 -0.50
E/S Rx Antenna Gain (2.4 m / 7.3 m) (dBi) 51.40 62.24
E/S Rx Effective G/T (dB/K) 26.20 39.16
E/S Rx Power Per Channel (dBW) -114.90 -110.47
E/S Rx Flux Density Per Channel (dBW/m2) -119.30 -125.71
Total Link Forward Return
Carrier / Noise Bandwidth (dB) 76.53 76.53
Carrier / Noise Uplink (dB) 22.94 3.57
Carrier / Noise Downlink (dB) 11.97 18.52
Carrier / Intermodulation Im (C/Im) (dB) 28.66 26.64
(C/N) - Total Actual (dB) 10.44 2.84
(C/N) - Total Required (dB) 9.50 2.80
(Eb/No) - Total Actual (dB) 6.92 2.84
(Eb/No) - Total Required (dB) 5.98 2.80
Excess Margin (dB) 0.94 0.04
Fade Margin (dB) 12.64 5.04

#4

O3b Network Link Analysis - Tier 2 Service For WMP, United States
Link Budget Creator - Rev 3.2.9: July 22, 2013 Tier 2 Tier 2
Ground Parameter Teleport Telco
Location Vernon (LHCP), United States WMP, United States
Latitude (°) 34.2 38.8
Longitude (East) (°) 260.7 282.4
E/S Maximum Range to SV (km) 9856.8 10600.8
E/S Minimmum Elevation to SV (°) 34.2 24.2
E/S Altitude (km) 0.3 0.1
SV Beam Identifier (#) 24
Minutes Into Pass (Sample #30) (Min) 14:2
Telco Spot Beam Off-Angle (°) 0.20
Telco Spot Beam Diameter (km) 71.80
Maximum Roundtrip Latency (msec) 136.48
Modulation Parameters Forward Return
Enter Receiver Type DVB-S2 DVB-S2
Modem Overhead (%) 3.3% 3.4%
Number of Carriers per Channel (#) 1 1
Available Bandwidth (Hz) 36,000,000 4,920,000
Channel Symbol Rate (sps) 30,000,000 4,100,000
Channel Modulation Type 16APSK 16APSK
Channel FEC Rate 0.83 0.80
Channel Spectral Efficiency (bits/Sym) 3.33 3.20
Channel Throughput (100% / 100% of Full Rate) (bps) 96,655,879.20 12,671,029.61
Uplink Forward Return
E/S Tx Channels per HPA (#) 5 1
E/S Tx Carrier Frequency (MHz) 28,709 28,709
E/S Tx HPA Power Level (W) 83 40
E/S Tx OBO (dB) -8.00 -16.00
E/S Tx Post-HPA Losses (dB) -2.24 -0.77
E/S Tx Antenna Gain (7.3 m / 2.4 m) (dB) 65.03 55.23
E/S Tx EIRP Per Channel (dBW) 67.01 54.48
E/S Tx Pointing Loss (dB) -0.50 -0.50
E/S Tx RF Link Availability (%) 75.000 50.000
E/S Tx Atmospheric Losses (dB) -1.15 -0.94
E/S Tx Spreading Loss (dB) -150.87 -151.50
Satellite Forward Return
SV Number of Channels per HPA (#) 1 5
SV Rx G/T (dB/K) 5.24 4.68
SV Rx Power Per Tier (dBW) -130.89 -144.39
SV Rx Flux Density Per Tier (dBW/m2) -85.51 -98.46
SV Tx OBO (ALC / ALC) (dB) -10.00 -15.00
SV Tx Post-TWTA Losses (dB) -1.50 -1.50
SV Tx Antenna Gain (dBi) 31.66 31.77
SV Tx EIRP Per Channel/Carrier (dBW) 38.28 26.41
SV Tx Pointing Loss (dB) 0.00 0.00
Downlink Forward Return
E/S Rx Carrier Frequency (MHz) 18,909 18,909
E/S Rx Wavelength (m) 0.015854 0.015854
E/S Rx RF Link Availability (%) 50 75.000
E/S Rx Atmospheric Losses (dB) -0.62 -0.76
E/S Rx Radome & Pointing Loss (dB) -0.50 -0.50
E/S Rx Antenna Gain (2.4 m / 7.3 m) (dBi) 51.4 62.24
E/S Rx Effective G/T (dB/K) 27.7 39.16
E/S Rx Power Per Channel (dBW) -109.9 -110.47
E/S Rx Flux Density Per Channel (dBW/m2) -114.3 -125.71
Total Link Forward Return
Carrier / Noise Bandwidth (dB) 74.77 66.13
Carrier / Noise Uplink (dB) 22.94 18.08
Carrier / Noise Downlink (dB) 20.19 28.93
Carrier / Intermodulation Im (C/Im) (dB) 28.66 26.64
(C/N) - Total Actual (dB) 14.41 13.42
(C/N) - Total Required (dB) 13.70 13.30
(Eb/No) - Total Actual (dB) 9.18 8.36
(Eb/No) - Total Required (dB) 8.47 8.25
Excess Margin (dB) 0.71 0.12
Fade Margin (dB) 16.61 15.62

#5

O3b Network Link Analysis - Tier 2 Service For WMP, United States
Link Budget Creator - Rev 3.2.9: July 22, 2013 Tier 2 Tier 2
Ground Parameter Teleport Telco
Location Vernon (LHCP), United States WMP, United States
Latitude (°) 34.2 38.8
Longitude (East) (°) 260.7 282.4
E/S Maximum Range to SV (km) 9856.8 10600.8
E/S Minimmum Elevation to SV (°) 34.2 24.2
E/S Altitude (km) 0.3 0.1
SV Beam Identifier (#) 24
Minutes Into Pass (Sample #30) (Min) 14:2
Telco Spot Beam Off-Angle (°) 0.20
Telco Spot Beam Diameter (km) 71.80
Maximum Roundtrip Latency (msec) 136.48
Modulation Parameters Forward Return
Enter Receiver Type DVB-S2 DVB-S2
Modem Overhead (%) 3.3% 3.4%
Number of Carriers per Channel (#) 1 1
Available Bandwidth (Hz) 36,000,000 4,920,000
Channel Symbol Rate (sps) 30,000,000 4,100,000
Channel Modulation Type 16APSK 16APSK
Channel FEC Rate 0.83 0.80
Channel Spectral Efficiency (bits/Sym) 3.33 3.20
Channel Throughput (100% / 100% of Full Rate) (bps) 96,655,879.20 12,671,029.61
Uplink Forward Return
E/S Tx Channels per HPA (#) 5 1
E/S Tx Carrier Frequency (MHz) 28,709 28,709
E/S Tx HPA Power Level (W) 83 40
E/S Tx OBO (dB) -8.00 -16.00
E/S Tx Post-HPA Losses (dB) -2.24 -0.77
E/S Tx Antenna Gain (7.3 m / 2.4 m) (dB) 65.03 55.2
E/S Tx EIRP Per Channel (dBW) 67.01 54.48
E/S Tx Radome & Pointing Loss (dB) -0.50 -0.50
E/S Tx RF Link Availability (%) 75.000 50.000
E/S Tx Atmospheric Losses (dB) -1.15 -0.94
E/S Tx Spreading Loss (dB) -150.87 -151.50
Satellite Forward Return
SV Number of Channels per HPA (#) 1 5
SV Rx G/T (dB/K) 5.24 4.68
SV Rx Power Per Tier (dBW) -130.89 -144.39
SV Rx Flux Density Per Tier (dBW/m2) -85.51 -98.46
SV Tx OBO (ALC / ALC) (dB) -10.00 -15.00
SV Tx Post-TWTA Losses (dB) -1.50 -1.50
SV Tx Antenna Gain (dBi) 31.66 31.77
SV Tx EIRP Per Channel/Carrier (dBW) 38.28 26.41
SV Tx Pointing Loss (dB) 0.00 0.00
Downlink Forward Return
E/S Rx Carrier Frequency (MHz) 18,909 18,909
E/S Rx Spreading Loss (dB) -151.50 -150.87
E/S Rx RF Link Availability (%) 50.000 75.000
E/S Rx Atmospheric Losses (dB) -0.62 -0.76
E/S Rx Pointing Loss (dB) -0.50 -0.50
E/S Rx Antenna Gain (2.4 m / 7.3 m) (dBi) 51.40 62.24
E/S Rx Effective G/T (dB/K) 27.69 39.16
E/S Rx Power Per Channel (dBW) -109.93 -110.47
E/S Rx Flux Density Per Channel (dBW/m2) -114.34 -125.71
Total Link Forward Return
Carrier / Noise Bandwidth (dB) 74.77 66.13
Carrier / Noise Uplink (dB) 22.94 18.08
Carrier / Noise Downlink (dB) 20.19 28.93
Carrier / Intermodulation Im (C/Im) (dB) 28.66 26.64
(C/N) - Total Actual (dB) 14.41 13.42
(C/N) - Total Required (dB) 13.70 13.30
(Eb/No) - Total Actual (dB) 9.18 8.36
(Eb/No) - Total Required (dB) 8.47 8.25
Excess Margin (dB) 0.71 0.12
Fade Margin (dB) 16.61 15.62

#6

O3b Network Link Analysis - Tier 2 Service For WMP, United States
Link Budget Creator - Rev 3.2.9: July 22, 2013 Tier 2 Tier 2
Ground Parameter Teleport Telco
Location Vernon (LHCP), United States WMP, United States
Latitude (°) 34.2 38.8
Longitude (East) (°) 260.7 282.4
E/S Maximum Range to SV (km) 9856.8 10600.8
E/S Minimmum Elevation to SV (°) 34.2 24.2
E/S Altitude (km) 0.3 0.1
SV Beam Identifier (#) 24
Minutes Into Pass (Sample #30) (Min) 14:2
Telco Spot Beam Off-Angle (°) 0.20
Telco Spot Beam Diameter (km) 71.80
Maximum Roundtrip Latency (msec) 136.48
Modulation Parameters Forward Return
Enter Receiver Type DVB-S2 DVB-S2
Modem Overhead (%) 3.2% 3.5%
Number of Carriers per Channel (#) 1 1
Available Bandwidth (Hz) 36,000,000 4,920,000
Channel Symbol Rate (sps) 30,000,000 4,100,000
Channel Modulation Type 8PSK QPSK
Channel FEC Rate 0.75 0.50
Channel Spectral Efficiency (bits/Sym) 2.25 1.00
Channel Throughput (100% / 100% of Full Rate) (bps) 65,325,763.73 3,957,839.07
Uplink Forward Return
E/S Tx Channels per HPA (#) 5 1
E/S Tx Carrier Frequency (MHz) 28,709 28,709
E/S Tx HPA Power Level (W) 83 40
E/S Tx OBO (dB) -8.00 -16.00
E/S Tx Post-HPA Losses (dB) -2.24 -0.77
E/S Tx Antenna Gain (7.3 m / 2.4 m) (dB) 65.03 55.23
E/S Tx EIRP Per Channel (dBW) 67.01 54.48
E/S Tx Pointing Loss (dB) -0.50 -0.50
E/S Tx RF Link Availability (%) 75.000 99.500
E/S Tx Atmospheric Losses (dB) -1.15 -14.84
E/S Tx Spreading Loss (dB) -150.87 -151.50
Satellite Forward Return
SV Number of Channels per HPA (#) 1 5
SV Rx G/T (dB/K) 5.24 4.68
SV Rx Power Per Tier (dBW) -130.89 -158.29
SV Rx Flux Density Per Tier (dBW/m2) -85.51 -112.35
SV Tx OBO (ALC / ALC) (dB) -10.00 -15.00
SV Tx Post-TWTA Losses (dB) -1.50 -1.50
SV Tx Antenna Gain (dBi) 31.66 31.77
SV Tx EIRP Per Channel/Carrier (dBW) 38.28 26.41
SV Tx Pointing Loss (dB) 0.00 0.00
Downlink Forward Return
E/S Rx Carrier Frequency (MHz) 18,909 18,909
E/S Rx Wavelength (m) 0.015854 0.015854
E/S Rx RF Link Availability (%) 100 75.000
E/S Rx Atmospheric Losses (dB) -7.45 -0.76
E/S Rx Radome & Pointing Loss (dB) -0.50 -0.50
E/S Rx Antenna Gain (2.4 m / 7.3 m) (dBi) 51.4 62.24
E/S Rx Effective G/T (dB/K) 25.7 39.16
E/S Rx Power Per Channel (dBW) -116.8 -110.47
E/S Rx Flux Density Per Channel (dBW/m2) -121.2 -125.71
Total Link Forward Return
Carrier / Noise Bandwidth (dB) 74.77 66.13
Carrier / Noise Uplink (dB) 22.94 4.18
Carrier / Noise Downlink (dB) 11.42 28.93
Carrier / Intermodulation Im (C/Im) (dB) 28.66 26.64
(C/N) - Total Actual (dB) 10.05 3.85
(C/N) - Total Required (dB) 9.50 2.80
(Eb/No) - Total Actual (dB) 6.53 3.85
(Eb/No) - Total Required (dB) 5.98 2.80
Excess Margin (dB) 0.55 1.05
Fade Margin (dB) 12.25 6.05

#7

O3b Network Link Analysis - Tier 2 Service For WMP, United States
Link Budget Creator - Rev 3.2.9: July 22, 2013 Tier 2 Tier 2
Ground Parameter Teleport Telco
Location Vernon (LHCP), United States WMP, United States
Latitude (°) 34.2 38.8
Longitude (East) (°) 260.7 282.4
E/S Maximum Range to SV (km) 9856.8 10600.8
E/S Minimmum Elevation to SV (°) 34.2 24.2
E/S Altitude (km) 0.3 0.1
SV Beam Identifier (#) 24
Minutes Into Pass (Sample #30) (Min) 14:2
Telco Spot Beam Off-Angle (°) 0.20
Telco Spot Beam Diameter (km) 71.80
Maximum Roundtrip Latency (msec) 136.48
Modulation Parameters Forward Return
Enter Receiver Type DVB-S2 DVB-S2
Modem Overhead (%) 3.2% 3.5%
Number of Carriers per Channel (#) 1 1
Available Bandwidth (Hz) 36,000,000 4,920,000
Channel Symbol Rate (sps) 30,000,000 4,100,000
Channel Modulation Type 8PSK QPSK
Channel FEC Rate 0.75 0.50
Channel Spectral Efficiency (bits/Sym) 2.25 1.00
Channel Throughput (100% / 100% of Full Rate) (bps) 65,325,763.73 3,957,839.07
Uplink Forward Return
E/S Tx Channels per HPA (#) 5 1
E/S Tx Carrier Frequency (MHz) 28,709 28,709
E/S Tx HPA Power Level (W) 83 40
E/S Tx OBO (dB) -8.00 -16.00
E/S Tx Post-HPA Losses (dB) -2.24 -0.77
E/S Tx Antenna Gain (7.3 m / 2.4 m) (dB) 65.03 55.2
E/S Tx EIRP Per Channel (dBW) 67.01 54.48
E/S Tx Radome & Pointing Loss (dB) -0.50 -0.50
E/S Tx RF Link Availability (%) 75.000 99.500
E/S Tx Atmospheric Losses (dB) -1.15 -14.84
E/S Tx Spreading Loss (dB) -150.87 -151.50
Satellite Forward Return
SV Number of Channels per HPA (#) 1 5
SV Rx G/T (dB/K) 5.24 4.68
SV Rx Power Per Tier (dBW) -130.89 -158.29
SV Rx Flux Density Per Tier (dBW/m2) -85.51 -112.35
SV Tx OBO (ALC / ALC) (dB) -10.00 -15.00
SV Tx Post-TWTA Losses (dB) -1.50 -1.50
SV Tx Antenna Gain (dBi) 31.66 31.77
SV Tx EIRP Per Channel/Carrier (dBW) 38.28 26.41
SV Tx Pointing Loss (dB) 0.00 0.00
Downlink Forward Return
E/S Rx Carrier Frequency (MHz) 18,909 18,909
E/S Rx Spreading Loss (dB) -151.50 -150.87
E/S Rx RF Link Availability (%) 99.500 75.000
E/S Rx Atmospheric Losses (dB) -7.45 -0.76
E/S Rx Pointing Loss (dB) -0.50 -0.50
E/S Rx Antenna Gain (2.4 m / 7.3 m) (dBi) 51.40 62.24
E/S Rx Effective G/T (dB/K) 25.75 39.16
E/S Rx Power Per Channel (dBW) -116.76 -110.47
E/S Rx Flux Density Per Channel (dBW/m2) -121.17 -125.71
Total Link Forward Return
Carrier / Noise Bandwidth (dB) 74.77 66.13
Carrier / Noise Uplink (dB) 22.94 4.18
Carrier / Noise Downlink (dB) 11.42 28.93
Carrier / Intermodulation Im (C/Im) (dB) 28.66 26.64
(C/N) - Total Actual (dB) 10.05 3.85
(C/N) - Total Required (dB) 9.50 2.80
(Eb/No) - Total Actual (dB) 6.53 3.85
(Eb/No) - Total Required (dB) 5.98 2.80
Excess Margin (dB) 0.55 1.05
Fade Margin (dB) 12.25 6.05

#8

CERTIFICATION OF PERSON RESPONSIBLE FOR PREPARING
ENGINEERING INFORMATION

I hereby certify that I am the technically qualified person responsible for preparation of

the engineering information contained in this supplement, that I am familiar with Part 25 of the

Commission’s rules, that I have either prepared or reviewed the engineering information

submitted in this supplement and that it is complete and accurate to the best of my knowledge

and belief.

_________/s/_________

Richard J. Barnett, PhD, BSc
Telecomm Strategies Inc.
8737 Colesville Rd, Suite 501,
Silver Spring, MD 20910
(301) 656-8969

July 24, 2013

Document Created: 2013-07-24 11:47:14
Document Modified: 2013-07-24 11:47:14

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