Universal Licensing System
WPNN811
Southfield Communications LLC
License details
| ULS identifier | 1046941 |
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| Call sign | WPNN811 |
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| Radio service | CF |
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| Status | E |
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| Grant date | 1998-07-08 |
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| Expiration | 2008-07-08 |
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| Cancellation | 2008-09-13 |
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| Frequency range | 39600 - 39650 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | COLORADO SPRINGS, CO |
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| Coordinates | 39.2166667, -104.1746667 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:37 |
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Licensee
| Name | Southfield Communications LLC |
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| Applicant type | C |
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| FRN | 0003508918 |
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| Location | Chevy Chase, MD |
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| Address | 5600 Wisconsin Avenue, Suite 1504, Chevy Chase, MD, 20815 |
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| Phone | 3016415007 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FXO | 39600.00000000 | 39650.00000000 | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 39600.00000000 | | 50M0W9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | COLORADO SPRINGS, CO | 39.21666667, -104.17466667 | | | 6.100 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | S | 38.0000 | 999.0000 | | |
| 2 | 1 | R | | | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2008-09-13 | WPNN811 | LIEXP |
| 2008-04-14 | WPNN811 | LETRES |
| 2003-10-01 | WPNN811 | LIAUA |
| 2000-11-17 | WPNN811 | LIAUA |
| 2000-10-10 | WPNN811 | LIMOD |
| 2000-03-30 | WPNN811 | AUTHPR |
| 2000-03-29 | WPNN811 | COR |
| 1999-08-14 | WPNN811 | LICCNV |
| 1999-01-07 | WPNN811 | COR |
| 1998-12-31 | WPNN811 | COR |
| 1998-12-10 | WPNN811 | COR |
| 1998-12-10 | WPNN811 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1046941 | 2026-08-02 02:44:37 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPNN811 | ULS 1046941 | 2026-08-02 02:44:37 |
| Status | E | ULS 1046941 | 2026-08-02 02:44:37 |
| Service | CF | ULS 1046941 | 2026-08-02 02:44:37 |
| Grant Date | 1998-07-08 | ULS 1046941 | 2026-08-02 02:44:37 |
| Expiration Date | 2008-07-08 | ULS 1046941 | 2026-08-02 02:44:37 |
| Cancellation Date | 2008-09-13 | ULS 1046941 | 2026-08-02 02:44:37 |