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Old Dominion University
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1703-EX-ST-2019
Old Dominion University
1703-EX-ST-2019
Status: Pending
WJ2XOH
2019-09-10
Filing Notes:
Description
Date
Cubesat using 401.08 MHz
2018-10-09
Application Form:
OET Special Temporary Authority Report
FEDERAL COMMUNICATIONS COMMISSION
APPLICATION FOR SPECIAL TEMPORARY AUTHORITY
Applicant Name
Name of Applicant:
Old Dominion University
Address
Attention:
Dimitrie Popescu, Associate Professor
Street Address:
231 Kaufman Hall
P.O. Box:
City:
Norfolk
State:
VA
Zip Code:
23529
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:
Miller
First Name:
Michael
Title:
Licensing Coordinator
Phone Number:
415 385-3842
Explanation
Please explain in the area below why an STA is necessary:
Three Virginia universities have each have launched a 1U Cubesat. The satellites and ground stations are licensed as follows: University of VA, Cubesat Libertas, License 0263-EX-CM-2018 VA Tech, Cubesat Ceres VT, License 0252-EX-CN-2018 Old Dominion University, Aeternitas, License 0255-EX-CN-2018 (the subject of this STA) Also see attached exhibit for more information on the missions and licenses. They were carried to the International Space Station (ISS) on NG-11 resupply mission, launched April 17, 2019. They were deployed from the ISS on July 3. Since then, despite ongoing attempts, there has been no communication established between the ground stations and the satellites. The current concept of operation is for each university ground station to communicate with the cubesat from that university. We are requesting 3 separate Special Temporary Authorities, of which this is one, to enable each of the three university ground stations to transmit to each of the cubesats, and enable each of the cubesats to transmit to each of the ground stations. Also, we request Special Temporary Authority for the cubesats to communicate with the Wallops Flight Facility. It is thought that a larger antenna may have a better chance of communicating if performance of the cubesats is somehow impaired. All of this is expected to take place only for a limited time. One of the cubesats will deorbit in the next two months.
Purpose of Operation
Please explain the purpose of operation:
The purpose of operation is to troubleshoot communications systems on the 3 cubesats, restore function if possible, and send commands and receive data to carry out the experiments as was intended with the original Experimental license 0255-EX-CN-2018, during the next 6 months.
Information
Callsign:
WJ2XOH
Class of Station:
FX MO
Nature of Service:
Experimental
Requested Period of Operation
Operation Start Date:
09/21/2019
Operation End Date:
03/20/2020
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
Astronautical Development, LLC
Li-2
1
No
Ettus Research
B200
1
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):
Michael L Miller
Title of Applicant (if any):
Licensing Coordinator
Date:
2019-09-10 00:00:00.0
Station Location
City
State
Latitude
Longitude
Mobile
Radius of Operation
Nongeostationary
Space Station
North
West
Low Earth Orbit 400 km
Datum:
NAD 83
Is a directional antenna (other than radar) used?
Yes
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:
(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
401.08000000- MHz
MO
2.000000 W 2.000000 W
P
0.00025000 %
20K0G1D
GMSK
City
State
Latitude
Longitude
Mobile
Radius of Operation
Norfolk
Virginia
North 36 53 8
West 76 18 17
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
401.04000000- MHz
FX
25.000000 W 380.000000 W
P
0.00010000 %
20K0G1D
GMSK
Action
Frequency
Station Class
Output Power/ERP
Mean Peak
Frequency Tolerance (+/-)
Emission Designator
Modulating Signal
New
401.08000000- MHz
FX
25.000000 W 380.000000 W
P
0.00010000 %
20K0G1D
GMSK
Action
Frequency
Station Class
Output Power/ERP
Mean Peak
Frequency Tolerance (+/-)
Emission Designator
Modulating Signal
New
401.12000000- MHz
FX
25.000000 W 380.000000 W
P
0.00001000 %
20K0G1D
GMSK
City
State
Latitude
Longitude
Mobile
Radius of Operation
Charlottesville
Virginia
North 38 1 57
West 78 30 40
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
401.08000000- MHz
FX
25.000000 W 688.300000 W
P
0.00025000 %
20K0G1D
GMSK
City
State
Latitude
Longitude
Mobile
Radius of Operation
Blacksburg
Virginia
North 37 13 48
West 80 26 22
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
401.08000000- MHz
FX
40.000000 W 543.000000 W
P
0.00000250 %
20K0G1D
GMSK
33589
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