Universal Licensing System
WPYI688
TREE CENTER INC
License details
| ULS identifier | 2541700 |
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| Call sign | WPYI688 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2003-08-18 |
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| Expiration | 2013-08-18 |
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| Cancellation | 2013-11-09 |
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| Frequency range | 151.52 - 160.035 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | WOODBINE, HOWARD, MD |
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| Coordinates | 39.3361944, -77.0709722 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:12:57 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 151.52000000 | | | 110.000000 | 220.000000 | |
| 2 | 1 | MO | 151.52000000 | | | 15.000000 | 15.000000 | |
| 1 | 1 | FB | 160.03500000 | | | 110.000000 | 220.000000 | |
| 2 | 1 | MO | 160.03500000 | | | 15.000000 | 15.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 151.52000000 | | 20K0F3E |
| 2 | 1 | 151.52000000 | | 20K0F3E |
| 1 | 1 | 160.03500000 | | 20K0F3E |
| 2 | 1 | 160.03500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 16005 FREDERICK RD, WOODBINE, HOWARD, MD | 39.33619444, -77.07097222 | 169.000 m | B | 9.400 m structure / 10.900 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 10.900 m | | 6.0000 | 360.0000 | 0.400 | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 16005 FREDERICK RD, WOODBINE, MD | HOWARD | 4104421041 |
License history
| Date | File or call sign | Action |
|---|
| 2013-11-09 | WPYI688 | LIEXP |
| 2013-05-27 | WPYI688 | LETRES |
| 2004-05-17 | WPYI688 | LETCNS |
| 2003-08-18 | WPYI688 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2541700 | 2026-08-02 01:12:57 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPYI688 | ULS 2541700 | 2026-08-02 01:12:57 |
| Status | E | ULS 2541700 | 2026-08-02 01:12:57 |
| Service | IG | ULS 2541700 | 2026-08-02 01:12:57 |
| Grant Date | 2003-08-18 | ULS 2541700 | 2026-08-02 01:12:57 |
| Expiration Date | 2013-08-18 | ULS 2541700 | 2026-08-02 01:12:57 |
| Cancellation Date | 2013-11-09 | ULS 2541700 | 2026-08-02 01:12:57 |