SRI International

0537-EX-ST-2018

Status: Granted

WM9XAS
2018-04-16

Documents and Communications: [refresh]

DescriptionCategoryDate
E-Mail generated [Mar 22 2018]Correspondence2018-03-22
E-Mail generated [Apr 2 2018]Correspondence2018-04-02
E-Mail generated [Apr 2 2018]Correspondence2018-04-02
Incoming generated [Mar 22 2018]Correspondence2018-03-22
Incoming generated [Apr 2 2018]Correspondence2018-04-02
Incoming generated [Apr 2 2018]Correspondence2018-04-02
Incoming generated [Apr 3 2018]Correspondence2018-04-03
Incoming generated [Apr 12 2018]Correspondence2018-04-12
Grant E-mail Notification generated [Apr 16 2018]Correspondence2018-04-16
SRI high Altitude Balloon ExperimentText Documents2018-04-12
SRI high Altitude Balloon Experiment Near BakersfieldText Documents2018-03-22
SRI high Altitude Balloon Experiment Near BakersfieldText Documents2018-03-22
SRI high Altitude Balloon Experiment Near BakersfieldText Documents2018-03-22
Application Form:
OET Special Temporary Authority Report
FEDERAL COMMUNICATIONS COMMISSION
APPLICATION FOR SPECIAL TEMPORARY AUTHORITY

Applicant Name
Name of Applicant:  SRI International

Address
Attention: Joshua Kirschenheiter
Street Address: 2100 Commonwealth Blvd.
P.O. Box:
City: Ann Arbor
State: MI
Zip Code: 48105
Country:
E-Mail Address: [email protected]

Best Contact
Give the following information of person who can best handle inquiries pertaining to this application:  
Last Name: Kirschenheiter
First Name: Joshua
Title: Research Engineer
Phone Number: 7349264434

Explanation
Please explain in the area below why an STA is necessary:
SRI is planning to test an experimental S-band radar system on a high altitude balloon over a 6 month period starting in April 2018. An STA license is necessary to operate the radar while the balloon is airborne. An STA license is also required for the balloon-ground two-way communication link needed to control the radar and downlink data while the balloon is airborne. SRI is requesting a modification to the operation area and permission to operate the balloon radar at altitudes between 5,000 and 60,000 ft over a smaller operation area. The experiment conducted from April through September 2018 will utilize the same equipment as the experiment described in file 0005-EX-ST-2018.

Purpose of Operation
Please explain the purpose of operation:  Testing an experimental S-band radar system on a high altitude balloon. The radar system is designed to generate synthetic aperture radar (SAR) and interferometric synthetic aperture radar imagery for the purpose of measuring land deformation. The radar will operate periodically while the balloon is airborne.

Information
Callsign: WM9XAS
Class of Station: MO
Nature of Service: Experimental

Requested Period of Operation
Operation Start Date: 04/01/2018
Operation End Date: 09/30/2018

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
SRI International S-band radar 1 Yes
Digi XLR PRO 3 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): Joshua James Kirschenheiter
Title of Applicant (if any): Research Engineer
Date: 2018-03-21 00:00:00.0

Station Location
City State Latitude Longitude Mobile Radius of Operation
North      West      34N-37N lat, 117W-119W long, 5000 to 60,000 ft
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:  
(b) Elevation of ground at antenna site above mean sea level in meters:  
(c) Distance to nearest aircraft landing area in kilometers:  
(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:
Action Frequency Station Class Output Power/ERP Mean Peak Frequency Tolerance (+/-) Emission Designator Modulating Signal
New 910.00000000-920.00000000 MHz MO 1.000000 W 2.000000 W M 0.00001000 % 10M0F3D Chirp Spread Spectrum
Action Frequency Station Class Output Power/ERP Mean Peak Frequency Tolerance (+/-) Emission Designator Modulating Signal
New 910.00000000-920.00000000 MHz MO 1.000000 W 22.000000 W M 0.00001000 % 10M0F3D Chirp Spread Spectrum
City State Latitude Longitude Mobile Radius of Operation
North      West      34N-37N lat, 117W-119W long, 5,000 to 60,000 ft
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:   10.00
(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:  
(b) Elevation of ground at antenna site above mean sea level in meters:  
(c) Distance to nearest aircraft landing area in kilometers:  
(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:
Action Frequency Station Class Output Power/ERP Mean Peak Frequency Tolerance (+/-) Emission Designator Modulating Signal
Modified 2.98000000-3.02000000 GHz MO 60.000000 W 7500.000000 W M 0.00001000 % 40M0M3N Linear FM chirp
City State Latitude Longitude Mobile Radius of Operation
North      West      34N-37N lat, 117W-119W long, 60,000 ft
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:  
(b) Elevation of ground at antenna site above mean sea level in meters:  
(c) Distance to nearest aircraft landing area in kilometers:  
(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:
Action Frequency Station Class Output Power/ERP Mean Peak Frequency Tolerance (+/-) Emission Designator Modulating Signal
New 910.00000000-920.00000000 MHz MO 1.000000 W 2.000000 W M 0.00001000 % 10M0F3D Chirp Spread Spectrum
Action Frequency Station Class Output Power/ERP Mean Peak Frequency Tolerance (+/-) Emission Designator Modulating Signal
New 910.00000000-920.00000000 MHz MO 1.000000 W 22.000000 W M 0.00001000 % 10M0F3D Chirp Spread Spectrum
City State Latitude Longitude Mobile Radius of Operation
North      West      34N-37N lat, 117W-119W long, 60,000 ft
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:   10.00
(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:  
(b) Elevation of ground at antenna site above mean sea level in meters:  
(c) Distance to nearest aircraft landing area in kilometers:  
(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:
Action Frequency Station Class Output Power/ERP Mean Peak Frequency Tolerance (+/-) Emission Designator Modulating Signal
Modified 2.98000000-3.02000000 GHz MO 60.000000 W 7500.000000 W M 0.00001000 % 40M0M3N Linear FM chirp
City State Latitude Longitude Mobile Radius of Operation
North      West      34N-37N lat, 117W-119W long, 60,000 ft
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:   145.00
(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:  
(b) Elevation of ground at antenna site above mean sea level in meters:  
(c) Distance to nearest aircraft landing area in kilometers:  
(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:
Action Frequency Station Class Output Power/ERP Mean Peak Frequency Tolerance (+/-) Emission Designator Modulating Signal
Modified 1616.00000000-1626.50000000 MHz MO 7.000000 W 14.000000 W M 0.00001000 % 10M5M7D DEQPSK
City State Latitude Longitude Mobile Radius of Operation
North      West      34N-37N lat, 117W-119W long, 5000 to 60,000 ft
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:   145.00
(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:  
(b) Elevation of ground at antenna site above mean sea level in meters:  
(c) Distance to nearest aircraft landing area in kilometers:  
(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:
Action Frequency Station Class Output Power/ERP Mean Peak Frequency Tolerance (+/-) Emission Designator Modulating Signal
New 1616.00000000-1626.50000000 MHz MO 7.000000 W 14.000000 W M 0.00001000 % 10M5M7D DEQPSK

43530
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