Exhibit Question 4 Etc

0211-EX-CN-2019 Text Documents

Raytheon IDS

2019-03-23ELS_226079

UNCLASSIFIED Raytheon Request for FCC Experimental License File #: 0211-EX-CN-2019 Date: 3/23/2019 Prepared by Raytheon Company Integrated Defense Systems 1001 Boston Post Road Marlborough, MA 01752 WARNING – This document contains technology whose export or disclosure to Non- U.S. Persons, wherever located, is subject to the Export Administration Regulations (EAR) (15 C.F.R. Sections 730-774). Violations are subject to severe criminal penalties. ECCN is EAR99.

UNCLASSIFIED Purpose of Operation: Raytheon is requesting an FCC experimental license to conduct installation and checkout of an IFF Interrogator under development for an Air Force customer. These test activities include the initial integration of subsystems with the Systems Integration Laboratory equipment and confirming functionality of the secondary surveillance radar by verifying the ability to send and receive IFF signals. FAA coordination for this test effort has been requested, which may include restrictions on permitted modes, RF output power, or hours of operation. Technical Synopsis:  Spectrum needed: 1030 MHz and 1090 MHz  Power levels requested (ERP): To be specified by FAA; 75 kW maximum at 1030 MHz (attenuation can be applied if required), 15.3 W maximum at 1090 MHz  Permitted Modes: To be specified by FAA  Location of use: Raytheon Facility in Andover, MA (coordinates 42º 38’ 16” N, 071º11’ 18” W)  Direction of radiation: 251º ± 10º (IFF) and 71º ±10º (IFF-45TS) relative to true north  Stop buzzer contact: Kirk Fisher, office 978-470-4244, mobile 978-302-0770 Test Summary: The IFF is mounted to the top of the primary radar’s Array Subsystem. The array will be stationary during all testing. The IFF antenna will transmit to and receive from a horn antenna connected to an Aeroflex Test Set (IFF-45TS) located approximately 20-50 feet away. The ERP from the IFF-45TS is much lower than the Interrogator on the radar. Raytheon Technical Point of Contact: Name: Anthony Hopf Position: Chief Engineer Phone: 339-645-1098 (office), 978-382-4620 (mobile) Email: Anthony.P.Hopf@raytheon.com Raytheon Spectrum Manager filing application: Name: Karen Dyberg Position: Spectrum Management/RF Safety Phone: 508-490-2723 (office), 508-450-9236 (mobile) Email: Karen.Dyberg@raytheon.com Period of Use: Start date: 4/22/2019 End date: 12/31/2020 Equipment Information: Indicate all equipment that will be involved in this operation. Page 2 of 4 EAR Controlled – See cover sheet

UNCLASSIFIED Transmitter info: Manufacturer: Raytheon Model: IFF Interrogator Number of units: 4, operated one at a time Experimental (Y/N): N Manufacturer: Aeroflex Model: IFF-45TS Number of units: 1 Experimental (Y/N): N For each frequency band: RF output at the transmitter terminals: 1030 MHz - IFF Interrogator: 4000 Watts peak, maximum. 1090 MHz - Aeroflex IFF-45TS Test Set: ≤ 1 W, maximum Effective radiated power from the antenna (if pulsed emission, specify peak power): IFF Interrogator: The effective radiated power from the antenna, including antenna transmit gain and cable losses is 75 kW (peak power). Aeroflex IFF 45-TS Test Set: The effective radiated power from the antenna, including antenna transmit gain is ≤ 15.3 W (peak power). Frequency Tolerance: Less than 0.003 % List each type of emission separately for each frequency (basically list the waveforms and emission designators): 6M8V1D List as appropriate for the type of modulation (and describe as necessary): Coded Pulse. Necessary bandwidth. Explain how determined. Calculated. Locations (street address, coordinates, ground elevation above sea level, and radius of operation): Street address: 350 Lowell Street, Andover, MA 01810 Coordinates: 42º 38 ’16” North, 071º 11’ 18” West Ground elevation above sea level: 138 feet or 42.06 meters Radius of operation: none Is a directional antenna (other than radar used)? Yes. Page 3 of 4 EAR Controlled – See cover sheet

UNCLASSIFIED If yes, give the following info: Width of beam in degrees at the half-power point: 39 degrees maximum Orientation in horizontal plane: 71 degrees ±10º Orientation in vertical plane: 18 degrees Will the antenna extend more than 6 meters above ground, or if mounted on an existing building, will it extend more than 6 meters above the building, or will the proposed antenna be mounted on an existing structure other than a building? No. Overall height above ground to tip of antenna in meters: Approximately 12 feet high or 3.7 meters. Page 4 of 4 EAR Controlled – See cover sheet


Document Created: 2019-03-23 12:33:08
Document Modified: 2019-03-23 12:33:08
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