Experimental Licensing System
0503-EX-ST-2019
Filing overview
| Status | Grant Expired Due to New License |
|---|---|
| Call sign | WO9XID |
| Filed | 2019-03-21 |
| Status date | 2019-04-30 |
| FCC source | View the FCC filing record |
Special Temporary Authority application - Address
- Attention:
- Zachary James Leffke
- City:
- Blacksburg
- Country:
- United States
- E-Mail Address:
- [email protected]
- P.O. Box:
- 24061
- State:
- VA
- Street Address:
- 1991 Kraft Drive, Suite 2019
- Zip Code:
- 24061
Special Temporary Authority application - Applicant Name
- Name of Applicant:
- Virginia Tech - Hume Center
Special Temporary Authority application - Best Contact
- First Name:
- Zachary
- Last Name:
- Leffke
- Phone Number:
- 5408086305
- Title:
- Research Associate
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:
- 2019-03-21 00:00:00.0
- Signature of Applicant (Authorized person filing form):
- Zachary James Leffke
- Title of Applicant (if any):
- Research Associate
Special Temporary Authority application - Explanation
- Please explain in the area below why an STA is necessary:
- This application is part of an experimental high altitude balloon flight to test novel radio systems developed at VT. The maximum flight duration is 12 hours. The launch window for the flight is only a two week period in late April / Early May. Therefore, temporary authorization is appropriate. Please see Experiment Description Exhibit for more details.
Special Temporary Authority application - Information
- Callsign:
- WO9XID
- Class of Station:
- MO
- Nature of Service:
- Experimental
Special Temporary Authority application - Initial values - Purpose of Operation
- Please explain the purpose of operation:
- The radio systems will be utilized onboard the high altitude balloon and two mobile ground stations for the purposes of command and control of the payload and telemetry download during the flight. Please see Experiment Description Exhibit for more details.
Special Temporary Authority application - Initial values - Requested Period of Operation
- Operation Start Date:
- 04/29/2019
Special Temporary Authority application - Manufacturer
- Equipment 1 Experimental
- Yes
- Equipment 1 Manufacturer
- Semtech Semiconductor
- Equipment 1 Model Number
- SX1231
- Equipment 1 No. Of Units
- 3
Special Temporary Authority application - Purpose of Operation
- Please explain the purpose of operation:
- To test novel radio systems. The radio systems will be utilized onboard the high altitude balloon and two mobile ground stations for the purposes of command and control of the payload and telemetry download during the flight. Please see Experiment Description Exhibit for more details.
Special Temporary Authority application - Requested Period of Operation
- Operation End Date:
- 05/10/2019
- Operation Start Date:
- 04/30/2019
Frequencies
| Action | Lower MHz | Upper MHz | Class | Output W | ERP W | Emission | Signal |
|---|---|---|---|---|---|---|---|
| 1.00 | |||||||
| 300.00 | |||||||
| State | Radius of Operation | ||||||
| New | 433.07500000 | 434.77500000 | MO | 2.000000 | 27.200000 | 25K0F1D | GMSK |
| New | 433.07500000 | 434.77500000 | MO | 2.000000 | 4.467000 | 25K0F1D | GMSK |
Sites
| Site | Location | Coordinates | County | Radius |
|---|---|---|---|---|
| North West | ||||
| North West |
Grant actions
| Date | Category | Description |
|---|---|---|
| 2019-04-30 | Grant | Grant Generated [Apr 30 2019] |
Documents
| Document | Type | Date | Status |
|---|---|---|---|
| Grant E-mail Notification generated [May 1 2019] | Correspondence | 2019-05-01 | Available |
| Incoming generated [Mar 22 2019] | Correspondence | 2019-03-22 | Available |
| E-Mail generated [Mar 22 2019] | Correspondence | 2019-03-22 | Available |
| Question 4 Directional Antenna Information | Text Documents | 2019-03-21 | Available |
| Experiment Description and Stop Buzzer | Text Documents | 2019-03-21 | Available |
| Question 5 FAA Antenna Sketch | Text Documents | 2019-03-21 | Available |
| Fee Waiver Request | Text Documents | 2019-03-21 | Available |
| Stop Buzzer | Text Documents | 2019-03-21 | Available |
| View Grant | Available |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ELS | 0503-EX-ST-2019 | 2026-07-30 08:57:04 | Source Primary |
Related FCC records
| System or type | Record | Relationship |
|---|---|---|
| COMPANY | Virginia Tech - Hume Center | Filed By |
| FILING | 0001-EX-CN-2017 | Concerns Station |
| FILING | 0001-EX-CN-2019 | Concerns Station |
| FILING | 0001-EX-PL-1998 | Concerns Station |
| FILING | 0002-EX-CN-2018 | Concerns Station |
| FILING | 0002-EX-CN-2019 | Concerns Station |
| FILING | 0002-EX-PL-1998 | Concerns Station |
| FILING | 0002-EX-PN-2019 | Concerns Station |
| FILING | 0002-EX-PN-2020 | Concerns Station |
| FILING | 0002-EX-ST-2019 | Concerns Station |
| FILING | 0003-EX-CN-2019 | Concerns Station |
| FILING | 0003-EX-PL-1998 | Concerns Station |
| FILING | 0003-EX-PN-2019 | Concerns Station |
| FILING | 0003-EX-ST-2002 | Concerns Station |
| FILING | 0004-EX-CN-2019 | Concerns Station |
| FILING | 0004-EX-PL-2003 | Concerns Station |
| FILING | 0004-EX-PL-2009 | Concerns Station |
| FILING | 0004-EX-PN-2019 | Concerns Station |
| FILING | 0004-EX-ST-1999 | Concerns Station |
| FILING | 0004-EX-ST-2005 | Concerns Station |
| FILING | 0004-EX-TN-2016 | Concerns Station |
| FILING | 0005-EX-CN-2019 | Concerns Station |
| FILING | 0005-EX-CN-2021 | Concerns Station |
| FILING | 0005-EX-MN-2017 | Concerns Station |
| FILING | 0005-EX-PN-2019 | Concerns Station |
| FILING | 0005-EX-ST-2003 | Concerns Station |
| FILING | 0005-EX-ST-2019 | Concerns Station |
| FILING | 0006-EX-CN-2017 | Concerns Station |
| FILING | 0006-EX-CN-2019 | Concerns Station |
| FILING | 0006-EX-MN-2017 | Concerns Station |
| FILING | 0006-EX-PL-2004 | Concerns Station |
| FILING | 0006-EX-PL-2005 | Concerns Station |
| FILING | 0006-EX-PL-2006 | Concerns Station |
| FILING | 0006-EX-PN-2019 | Concerns Station |
| FILING | 0007-EX-CN-2016 | Concerns Station |
| FILING | 0007-EX-CN-2019 | Concerns Station |
| FILING | 0007-EX-MN-2016 | Concerns Station |
| FILING | 0007-EX-PL-2009 | Concerns Station |
| FILING | 0007-EX-PL-2015 | Concerns Station |
| FILING | 0007-EX-PN-2018 | Concerns Station |
| FILING | 0007-EX-ST-2007 | Concerns Station |
| FILING | 0007-EX-ST-2010 | Concerns Station |
| FILING | 0007-EX-ST-2020 | Concerns Station |
| FILING | 0008-EX-CN-2019 | Concerns Station |
| FILING | 0008-EX-PL-2006 | Concerns Station |
| FILING | 0008-EX-PN-2018 | Concerns Station |
| FILING | 0008-EX-ST-2007 | Concerns Station |
| FILING | 0008-EX-ST-2008 | Concerns Station |
| FILING | 0008-EX-ST-2017 | Concerns Station |
| FILING | 0008-EX-TN-2017 | Concerns Station |
| FILING | 0008-EX-TN-2019 | Concerns Station |
| FILING | 0009-EX-PL-2006 | Concerns Station |
| FILING | 0009-EX-PL-2007 | Concerns Station |
| FILING | 0009-EX-PL-2011 | Concerns Station |
| FILING | 0009-EX-PN-2018 | Concerns Station |
| FILING | 0009-EX-PN-2019 | Concerns Station |
| FILING | 0009-EX-ST-1998 | Concerns Station |
| FILING | 0009-EX-ST-1999 | Concerns Station |
| FILING | 0009-EX-ST-2004 | Concerns Station |
| FILING | 0009-EX-ST-2019 | Concerns Station |
| FILING | 0010-EX-CN-2016 | Concerns Station |
| FILING | 0010-EX-CN-2018 | Concerns Station |
| FILING | 0010-EX-CN-2019 | Concerns Station |
| FILING | 0010-EX-ST-1998 | Concerns Station |
| FILING | 0010-EX-ST-1999 | Concerns Station |
| FILING | 0010-EX-ST-2000 | Concerns Station |
| FILING | 0010-EX-ST-2007 | Concerns Station |
| FILING | 0010-EX-TN-2016 | Concerns Station |
| FILING | 0011-EX-CN-2019 | Concerns Station |
| FILING | 0011-EX-ST-1999 | Concerns Station |
| FILING | 0011-EX-ST-2014 | Concerns Station |
| FILING | 0011-EX-TN-2017 | Concerns Station |
| FILING | 0012-EX-PL-2013 | Concerns Station |
| FILING | 0012-EX-PN-2017 | Concerns Station |
| FILING | 0012-EX-ST-1999 | Concerns Station |
| FILING | 0013-EX-CN-2019 | Concerns Station |
| FILING | 0013-EX-CN-2020 | Concerns Station |
| FILING | 0013-EX-PL-2002 | Concerns Station |
| FILING | 0013-EX-PN-2017 | Concerns Station |
| FILING | 0013-EX-ST-1999 | Concerns Station |
| FILING | 0013-EX-ST-2005 | Concerns Station |
| FILING | 0013-EX-ST-2011 | Concerns Station |
| FILING | 0013-EX-TN-2016 | Concerns Station |
| FILING | 0014-EX-PL-2003 | Concerns Station |
| FILING | 0014-EX-ST-2005 | Concerns Station |
| FILING | 0014-EX-TN-2016 | Concerns Station |
| FILING | 0015-EX-PL-2003 | Concerns Station |
| FILING | 0015-EX-PN-2019 | Concerns Station |
| FILING | 0015-EX-ST-2000 | Concerns Station |
| FILING | 0016-EX-CN-2017 | Concerns Station |
| FILING | 0016-EX-CN-2018 | Concerns Station |
| FILING | 0016-EX-CN-2019 | Concerns Station |
| FILING | 0016-EX-PL-2003 | Concerns Station |
| FILING | 0016-EX-PL-2009 | Concerns Station |
| FILING | 0016-EX-PL-2011 | Concerns Station |
| FILING | 0016-EX-PN-2018 | Concerns Station |
| FILING | 0016-EX-ST-2019 | Concerns Station |
| FILING | 0016-EX-TN-2016 | Concerns Station |
| FILING | 0016-EX-TN-2018 | Concerns Station |
| FILING | 0017-EX-CN-2016 | Concerns Station |