Special Temporary Authority application - Applicant Name
Name of Applicant:
Wireless Research Center of North Carolina
Special Temporary Authority application - Best Contact
First Name:
John
Last Name:
Swartz
Phone Number:
9192705074
Title:
Senior Staff Engineer
Special Temporary Authority application - Certification
Applicant 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.
Date:
2019-12-16 00:00:00.0
Signature of Applicant (Authorized person filing form):
John C. Swartz
Title of Applicant (if any):
Senior Staff Engineer
Special Temporary Authority application - Explanation
Please explain in the area below why an STA is necessary:
We are doing preliminary research in beyond line of sight, over the horizon assured communications in satellite denied environments. This problem is identified by USSOCOM ( https://www.socom.mil/SOF-ATL/SOFHardProblemsDocumentLibrary/USSOCOM%20ST%20Mission%20Assured%20Communications%20-%20MAC%20MegaTalker-01Mar18.pdf ) and ongoing programs are noted in the congressional budget request ( https://www.dacis.com/budget/budget_pdf/FY19/RDTE/N/0204163N_220.pdf ). To support future Small Business Technology Transfer (STTR ) project applications anticipated in the 2020, we would like to make some basic near-vertical incidence skywave (NVIS) measurements using very low power radio sources in the high frequency bands. Because the measurements involve the ionosphere, we cannot conduct measurements in an anechoic chamber of shield room.
Special Temporary Authority application - Information
Callsign:
WP9XWP
Class of Station:
FX
Nature of Service:
Experimental
Special Temporary Authority application - Initial values - Requested Period of Operation
Operation Start Date:
02/01/2020
Special Temporary Authority application - Manufacturer
Equipment 1 Experimental
Yes
Equipment 1 Manufacturer
Rohde Schwarz
Equipment 1 Model Number
SMB100a
Equipment 1 No. Of Units
1
Equipment 2 Experimental
Yes
Equipment 2 Manufacturer
Stanford Research Systems
Equipment 2 Model Number
SG380
Equipment 2 No. Of Units
1
Equipment 3 Experimental
Yes
Equipment 3 Manufacturer
National Instruments
Equipment 3 Model Number
PXI-5660
Equipment 3 No. Of Units
1
Special Temporary Authority application - Purpose of Operation
Please explain the purpose of operation:
We shall perform low power propagation measurements of the ionosphere scatter of high frequency radio signals using the technique of near vertical incidence skywave (NVIS). The goal of this work is to determine the minimum power required to send short (<64 bytes) of data using low data rate, narrow bandwidth modulation, as a function of frequency band. We shall use the data from these measurements to test our propagation model and to guide development of electrically small antennas for assured communications applications. Although initially planned to support DoD requirements, we anticipate application to first-responder and emergency management missions following natural disasters and similar scale national emergencies. Our experiments will use a signal with bandwidth of less than 100 Hz, with a transmitter output power of less than 100mW, and at frequencies between 4.00MHz and 4.10 MHz, 7.20MHz and 7.35MHz, and 14.35 MHz and 14.45MHz. Although the anticipated range of operation is less than 100 km, we shall carefully monitor the planned frequency ranges and only operate on frequencies with no received signals. In addition, because of strong interest in low power operations, we shall quickly move to lower powers as the experiments allow. Finally, we plan to use very short transmission, using on-off keying of a continuous carrier, one second on, one second off, for no more than 10 seconds, with a duty cycle of less than 50% transmit time to receive time. We plan to conduct transmission no more than six times an hour and for no more than four hours a day.
Special Temporary Authority application - Requested Period of Operation