FEDERAL COMMUNICATIONS COMMISSION
APPLICATION FOR SPECIAL TEMPORARY AUTHORITY

Applicant Name
Name of Applicant:  Aerostar International

Address
Attention: Mitchell Heilman
Street Address: 3901 W 59th Street
P.O. Box:
City: Sioux Falls
State: SD
Zip Code: 57108
Country:
E-Mail Address: mitchell.heilman@aerostar.com

Best Contact
Give the following information of person who can best handle inquiries pertaining to this application:  
Last Name: Heilman
First Name: Mitchell
Title: Flight Engineering Team Lead
Phone Number: 651-239-0159

Explanation
Please explain in the area below why an STA is necessary:
High altitude balloon testing using mobile network radios

Purpose of Operation
Please explain the purpose of operation:  To test connections of a mobile high altitude network

Information
Callsign:
Class of Station: MO
Nature of Service: Experimental

Requested Period of Operation
Operation Start Date: 03/01/2024
Operation End Date: 04/30/2024

Manufacturer
List below transmitting equipment to be installed (if experimental, so state) if additional rows are required, please submit equipment list as an exhibit:  
Manufacturer Model Number No. Of Units Experimental
Silvus Technologies SC4200 5 No
Silvus Technologies SC4400 5 No
KPP Performance Antennas KP-4DPFP14 4 No

Certification
Neither the applicant nor any other party to the application is subject to a denial of Federal benefits that includes FCC benefits pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. Section 862, because of a conviction for possession or distribution of a controlled substance. The applicant hereby waives any claim to the use of any particular frequency or electromagnetic spectrum as against the regulatory power of the United States because of the prvious use of the same, whether by license or otherwise, and requests authorization in accordance with this application. (See Section 304 of the Communications Act of 1934, as amended.) The applicant acknowledges that all statements made in this application and attached exhibits are considered material representations, and that all the exhibits part hereof and are incorporated herein as if set out in full in this application; undersigned certifies that all statements in this application are true, complete and correct to the best of his/her knowledge and belief and are made in good faith. Applicant certifies that construction of the station would NOT be an action which is likely to have a significant environmental effect. See the Commission's Rules, 47 CFR1.1301-1.1319.
Signature of Applicant (Authorized person filing form): Mitchell Heilman
Title of Applicant (if any): Flight Engineering Team Lead
Date: 2024-01-05 00:00:00.0

Station Location
City State Latitude Longitude Mobile Radius of Operation
Port Hueneme California North  34  8  43 West  119  12  33 Ground antenna within 400km of Port Hueneme, CA 400.00
Datum:  NAD 83
Is a directional antenna (other than radar) used?   Yes
Exhibit submitted:   Yes
(a) Width of beam in degrees at the half-power point:  
(b) Orientation in horizontal plane:  
(c) Orientation in vertical plane:  
Will the antenna extend more than 6 meters above the 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
(a) Overall height above ground to tip of antenna in meters:   2.00
(b) Elevation of ground at antenna site above mean sea level in meters:   10.00
(c) Distance to nearest aircraft landing area in kilometers:   6.15
(d) List any natural formations of existing man-made structures (hills, trees, water tanks, towers, etc.) which, in the opinion of the applicant, would tend to shield the antenna from aircraft: buildings between antenna and airport
Action Frequency Station Class Output Power/ERP Mean Peak Frequency Tolerance (+/-) Emission Designator Modulating Signal
New 4600.00000000-4940.00000000 MHz MO 50.000000 W 30.478000 kW P 0.00200000 % 20M0D7W COFDM
City State Latitude Longitude Mobile Radius of Operation
Port Hueneme California North  34  8  43 West  119  12  33 HAP within 400km of Port Hueneme at 75,000ft 400.00
Datum:  NAD 83
Is a directional antenna (other than radar) used?   No
Exhibit submitted:   No
(a) Width of beam in degrees at the half-power point:  
(b) Orientation in horizontal plane:  
(c) Orientation in vertical plane:  
Will the antenna extend more than 6 meters above the 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
(a) Overall height above ground to tip of antenna in meters:   22250.00
(b) Elevation of ground at antenna site above mean sea level in meters:   10.00
(c) Distance to nearest aircraft landing area in kilometers:   6.15
(d) List any natural formations of existing man-made structures (hills, trees, water tanks, towers, etc.) which, in the opinion of the applicant, would tend to shield the antenna from aircraft: None
Action Frequency Station Class Output Power/ERP Mean Peak Frequency Tolerance (+/-) Emission Designator Modulating Signal
New 4600.00000000-4940.00000000 MHz MO 2.500000 W 70.500000 W P 0.00200000 % 20M0D7W BPSK
Action Frequency Station Class Output Power/ERP Mean Peak Frequency Tolerance (+/-) Emission Designator Modulating Signal
New 4600.00000000-4940.00000000 MHz MO 100.000000 W 251.200000 W P 0.00200000 % 20M0D7W COFDM