Universal Licensing System
WPZX537
GRIMMIUS, INC.
License details
| ULS identifier | 2608198 |
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| Call sign | WPZX537 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2004-04-05 |
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| Expiration | 2014-04-05 |
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| Cancellation | 2014-06-07 |
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| Frequency range | 467.85 - 467.925 MHz (4 frequencies) |
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| Locations | 1 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:58 |
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Licensee
| Name | GRIMMIUS, INC. |
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| Applicant type | C |
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| FRN | 0009988601 |
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| Location | ANNAPOLIS JUNCTION, MD |
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| Address | ANNAPOLIS JUNCTION, MD, 20701 |
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| Phone | 3017252800 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 467.85000000 | | | 1.000000 | 1.000000 | |
| 1 | 1 | MO | 467.87500000 | | | 1.000000 | 1.000000 | |
| 1 | 1 | MO | 467.90000000 | | | 1.000000 | 1.000000 | |
| 1 | 1 | MO | 467.92500000 | | | 1.000000 | 1.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 467.85000000 | | 14K8F1D |
| 1 | 1 | 467.87500000 | | 14K8F1D |
| 1 | 1 | 467.90000000 | | 14K8F1D |
| 1 | 1 | 467.92500000 | | 14K8F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 10660 GUILFORD ROAD, JESSUP, MD | HOWARD | 3017252800 |
License history
| Date | File or call sign | Action |
|---|
| 2014-06-07 | WPZX537 | LIEXP |
| 2014-01-13 | WPZX537 | LETRES |
| 2005-01-03 | WPZX537 | LETCNS |
| 2004-04-05 | WPZX537 | COR |
| 2004-04-05 | WPZX537 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2608198 | 2026-08-02 01:16:58 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPZX537 | ULS 2608198 | 2026-08-02 01:16:58 |
| Status | E | ULS 2608198 | 2026-08-02 01:16:58 |
| Service | IG | ULS 2608198 | 2026-08-02 01:16:58 |
| Grant Date | 2004-04-05 | ULS 2608198 | 2026-08-02 01:16:58 |
| Expiration Date | 2014-04-05 | ULS 2608198 | 2026-08-02 01:16:58 |
| Cancellation Date | 2014-06-07 | ULS 2608198 | 2026-08-02 01:16:58 |