Attachment Exhibit F

This document pretains to SES-MOD-20121018-00947 for Modification on a Satellite Earth Station filing.

IBFS_SESMOD2012101800947_971593

Intellian v—Series Maritime Ku—band VSAT Antenna System Intellian _ ® Final Pointing Accuracy & Auto TX Shut—off Model Name: Intellian v80G Test Date: August 5, 2011 Prepared by RF Engineering Department Intellian Technologies, Inc. Confidential and Intellian proprietary [ Doc. No. | IT11—P80824—V1_0 _| Rev. No. | 1.0 | Page _| 1 |

Intellian v—Series Maritime Ku—band VSAT Antenna System Intellian _ ® Contents 1. IntrodUCctiON......... .. .. .mcmcmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmcceciirnnnnnes 3 2. BACK GFOUNG .........000000006066666 e rrrrr en en ns en s srrrrrinssrrr ns in in n in n in in n n rrr n ns srrr ns isnn n rn n kn ns 3 3. Antenna Pointing ACCUT@ACY ............000essserreeesssrrrriresissrrrrrrrrrrrrrrrrrr ns srrrrrr ns asrrrr kn kkks 4 3.1. Azimuth Stability ACCUFACY T@St..................0. 06e e vararararerererrrrererrrrrrrarerererererrerer en rerereree re re rer en a es 4 3.2. Elevation Stability ACCUFACY T@St....................006eeeererararerererrrrererrrrrrrarerererrerererer en rererereerererer en a es 5 4. AutoO TX SHUT—OTE ......000000000000errrrrrrr es iss sns srrrrrenssrrrrnn esn in in n n in n n n rnnrn snn n n n ns a snn rn n n n n ns 6 [ Doc. No. | IT11—P80824—V1_0 _| Rev. No. | 1.0 | Page _| 2

Intellian v—Series Maritime Ku—band VSAT Antenna System Intellian _ ® Introduction The FCC regulation, 47 C.F.R § 25.222 (a) (1) (iii) states that: all emissions from the ESV (Earth Station on Vessel) shall automatically cease within 100 milliseconds if the angle between the orbital location of the target satellite and the axis of the main lobe of the ESV antenna exceeds 0.5 ®, and transmission will not resume until such angle is less than 0.2 °. This document presents a proposal for insuring that Intellian V80G antennas, when used in a two way satellite transmission environment, will accurately point at the target satellite. If the antenna should become miss—pointed by exceeding 0.5° from the axis of the main lobe of the target satellite, the system will provide a signal to immediately cease the transmitter to prevent interference with adjacent satellite transmissions, and the transmission will not resume until such angle is less than 0.2°, thus meeting the requirements of the foregoing FCC regulation. Back Ground Intellian V80G antenna systems employs closed loop servo systems to keep the antenna pointed accurately at the satellite. The closed loop servo system includes highly accurate sensors continuously to monitor the antenna‘s position in inertial space. In the normal operation, the servo mechanism keeps the antenna pointing within +0.1° degrees RMS and the pointing accuracy is approximately 0.2° peak. However there always exists the possibility that unexpected conditions will cause the antenna to deviate outside this normal operation. Examples of some possible conditions are: Unexpected mechanical disturbance from an external source. Mechanical malfunction. Ship motions beyond the pedestal specifications which cause very large accelerations on the axes. Failure of one or more drive motors. Sensor malfunction (Rate Sensors, GPS, Gyrocompass). [ Doe. No. | IT11—P$0824—V1i_0 _| Rev. No. | 1.0 | Page _| 3

Intellian v—Series Maritime Ku—band VSAT Antenna System Intellian _ ® 3. Antenna Pointing Accuracy At all times, the antenna control unit (ACU) continual monitors the antenna position as part of the normal servo loop operation of the antenna and compares a running average of the measured azimuth and elevation to the desired azimuth and elevation positions. If the antenna becomes miss—pointed by exceeding 0.5° from the axis of the main lobe of the target satellite, then the ACU will send a "cease transmissions" signal by providing a TX MUTE instruction to the below—deck satellite modem within 100 milliseconds. The ACU will suppress the signal until the off—axis angle is within 0.2° of the target satellite. 3.1. Azimuth Stability Accuracy Test 225.1 225 224.9 224.8 224.7 224.6 224.5 224.4 Max. Azimuth Angle 225.05° Min. Azimuth Angle 224.68° MAX—MIN Angle 0.37° Average Angle 224.85° Number of Data 4,434 Percentage of Data Within + 0.2° 4,434 (100.0%) e During the tracking period, the variation of the AZ angle was within +0.185° e Conformance rate within the standard spec of +0.2° was 100.0% [ Doc. No. | IT11—P80824—V1_0 _| Rev. No. | 1.0 | Page _| 4

Intellian v—Series Intellian Maritime Ku—band VSAT Antenna System 3.2. Elevation Stability Accuracy Test 46.3 46.2 46.1 46 45.9 45.8 45.7 Max. Azimuth Angle 46.27° Min. Azimuth Angle 45.93° MAX—MIN Angle 0.34° Average Angle 46.12° Number of Data 4,437 Percentage of Data Within + 0.2° 4,437 (100.0%) e During the tracking period, the variation of the AZ angle was +0.17° e Conformance rate within the standard spec of +0.2° was 100.0% [ Doe. No. | IT11—P$0824—V1i_0 _| Rev. No. | 1.0 | Page _| 5

Intellian v—Series Maritime Ku—band VSAT Antenna System Intellian Test Report Auto Tx Shut—off Below is the expected system and error detector performance Feature Performance Normal operation system pointing error 0.05° RMS, +/—0.1° Peak Nominal error detector limit <0.5° Response time (from pointing error occurs to Less than 100 milliseconds Tx—off) Event Time to go Comment from Tx—on to Tx—off Antenna position <60 msec Delay caused by master clock. deviation > 0.5° GPS—error <60 msec Will re—activate when GPS error is cleared. HEADING—error <60 msec Will re—activate as the external heading sensor error is cleared. Correction vector <60 msec The antenna control unit can detect the antenna‘s > 0.5° position with a resolution of 10ms and can react within 10ms of the antenna being disturbed from boresight Go to parking position 10 msec or shutdown Satellite signal lock <100 msec The external mute is used if the modem cannot lost comply with the <100msec. [ Doc. No. | IT11—PS0824—V1_0 | Rev. No. |


Document Created: 2011-09-22 15:28:51
Document Modified: 2011-09-22 15:28:51
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