Attachment Exhibit A SES-MOD-INTR2019-01474

Attachment Exhibit A

This document pretains to SES-MOD-INTR2019-01474 for Modification on a Satellite Earth Station filing.

IBFS_SESMODINTR201901474_1680875

ISAT US Inc.
FCC Form 312 Exhibit A

Application to Modify License E150097

I. DESCRIPTION OF MODIFICATION

ISAT US Inc. (“ISAT US”) hereby seeks to modify its Global Xpress (GX) Ka-band

blanket earth station license, Call Sign E150097 (“License”), File No. SES-LIC-20150625-

00383 (“GX Land Application”) (as modified), to add two new GX Earth station terminal types,

Panther II 60 and Panther II 96, which will communicate with the Inmarsat-5 F2 (“I5F2”) and

Inmarsat-5 F3 (“I5F3”) satellites. Section II addresses the proposed new Earth station terminals.

No other changes are requested by this modification application. ISAT US incorporates by

reference Exhibits F (response to Question E17 regarding the remote control point) and G (24-

hour point of contact)1 of the GX Land Application, as well as certain other portions of the GX

Land Application referenced below.

II. NEW EARTH STATION TERMINALS

This modification application seeks to add two terminal models that are manufactured by

L3 GCS. These are the Panther II 60 and Panther II 96 terminals, which employ 60 centimeter

and 96 centimeter antennae, respectively. The terminals will operate on the same frequencies as

the GX Terminals in the current license: 19.7-20.2 GHz (space-to-Earth) and 29.5-30.0 GHz

(Earth-to-space). The terminals will operate at fixed or temporary fixed locations and allow

professional personnel from organizations from various sectors, initially U.S. government and

potentially including in the future media and humanitarian, to quickly deploy a communication

network to meet mission needs.

1
Exhibit G was submitted as a supplement to the GX Land Application on August 14, 2015.

A. Land Terminal Description

This application seeks to license the Panther II 60 and Panther II 96 terminals. The

terminals will operate on the same frequencies as the GX Terminals in the current license:

19.7-20.2 GHz (space-to-Earth) and 29.5-30.0 GHz (Earth-to-space). As illustrated in the

off-axis EIRP spectral density plots in Exhibit B, the L3 GCS terminals meet the performance

requirements in Section 25.138 (a) under clear sky conditions. Additionally, each of these

terminal types will be operated within the -118 dBW/m2/MHz power flux-density at the

earth’s surface of the I5F2 and I5F3 satellite. Thus, the proposed terminals are able to

operate without causing unacceptable interference, consistent with the requirements of

Section 25.209(f).2

The Commission has deleted the requirement to provide receive earth station patterns in

the 19.7-20.2 GHz frequency band (see Sections 25.132 and 25.115). To the extent that the

proposed terminal may have minor exceedance at certain off-axis angles Inmarsat understands

and agrees to accept interference from adjacent FSS satellite networks to the extent the relevant

receiving antenna performance requirements of Section 25.209 are exceeded.

Radiation hazard analyses for the L3 GCS Panther II terminals and a discussion of the

results are provided in Exhibit C.

The proposed terminals will be subject to the same national security requirements

described in Section 4 of the GX Land Application. That discussion is incorporated by

reference herein.

The following sections provide a description of each of the terminal types.

2
See Section 25.209(f).

Document Created: 2019-05-13 13:53:10
Document Modified: 2019-05-13 13:53:10

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