Universal Licensing System
WPKX637
SFA INC
License details
| ULS identifier | 1753084 |
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| Call sign | WPKX637 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-09-09 |
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| Expiration | 2002-09-09 |
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| Cancellation | 2003-01-12 |
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| Frequency range | 467.8125 - 467.85 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | PRINCE GEORGE'S, MD |
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| Coordinates | 38.9001111, -76.5663611 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:29:04 |
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Licensee
| Name | SFA INC |
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| Applicant type | C |
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| Location | LARGO, MD |
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| Address | 1401 MC CORMICK DR, LARGO, MD, 20774 |
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| Phone | 3019259400 |
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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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| 2 | 1 | MO | 467.81250000 | | | 2.000000 | | |
| 1 | 1 | MO | 467.85000000 | | | 2.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 467.81250000 | | 20K0F3E |
| 1 | 1 | 467.85000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | US | | | | | |
| 2 | T | PRINCE GEORGE'S, MD | 38.90011111, -76.56636111 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | | | 3019259400 |
License history
| Date | File or call sign | Action |
|---|
| 2003-01-12 | WPKX637 | LIEXP |
| 2002-06-17 | WPKX637 | LETRES |
| 2002-05-20 | WPKX637 | LETAUS |
| 2000-11-23 | WPKX637 | LICCNV |
| 1997-09-09 | WPKX637 | LIISS |
| 1997-09-09 | WPKX637 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1753084 | 2026-08-02 01:29:04 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKX637 | ULS 1753084 | 2026-08-02 01:29:04 |
| Status | E | ULS 1753084 | 2026-08-02 01:29:04 |
| Service | IG | ULS 1753084 | 2026-08-02 01:29:04 |
| Grant Date | 1997-09-09 | ULS 1753084 | 2026-08-02 01:29:04 |
| Expiration Date | 2002-09-09 | ULS 1753084 | 2026-08-02 01:29:04 |
| Cancellation Date | 2003-01-12 | ULS 1753084 | 2026-08-02 01:29:04 |