Universal Licensing System
WPRM387
CRYSTAL SMR INC.
License details
| ULS identifier | 1833343 |
|---|
| Call sign | WPRM387 |
|---|
| Radio service | YG |
|---|
| Status | A |
|---|
| Grant date | 2025-11-19 |
|---|
| Expiration | 2035-11-17 |
|---|
| Frequency range | 483.6875 - 486.6875 MHz (2 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | NOVATO, MARIN, CA |
|---|
| Coordinates | 38.0591667, -122.6041667 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:14:20 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 483.68750000 | | | 100.000000 | 250.000000 | |
| 2 | 1 | MO6 | 483.68750000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO6 | 486.68750000 | | | 50.000000 | 50.000000 | |
| 3 | 1 | FX1T | 486.68750000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 483.68750000 | | 4K00F1D |
| 1 | 1 | 483.68750000 | | 20K0F1D |
| 1 | 1 | 483.68750000 | | 15K0F2D |
| 1 | 1 | 483.68750000 | | 20K0F3E |
| 1 | 1 | 483.68750000 | | 4K00F1E |
| 1 | 1 | 483.68750000 | | 11K2F2D |
| 1 | 1 | 483.68750000 | | 11K2F3E |
| 1 | 1 | 483.68750000 | | 11K2F1D |
| 2 | 1 | 483.68750000 | | 4K00F1E |
| 2 | 1 | 483.68750000 | | 11K2F1D |
| 2 | 1 | 483.68750000 | | 20K0F1D |
| 2 | 1 | 483.68750000 | | 15K0F2D |
| 2 | 1 | 483.68750000 | | 11K2F3E |
| 2 | 1 | 483.68750000 | | 11K2F2D |
| 2 | 1 | 483.68750000 | | 4K00F1D |
| 2 | 1 | 483.68750000 | | 20K0F3E |
| 2 | 1 | 486.68750000 | | 15K0F2D |
| 2 | 1 | 486.68750000 | | 20K0F1D |
| 2 | 1 | 486.68750000 | | 4K00F1D |
| 2 | 1 | 486.68750000 | | 4K00F1E |
| 2 | 1 | 486.68750000 | | 20K0F3E |
| 2 | 1 | 486.68750000 | | 11K2F2D |
| 2 | 1 | 486.68750000 | | 11K2F3E |
| 2 | 1 | 486.68750000 | | 11K2F1D |
| 3 | 1 | 486.68750000 | | 4K00F1E |
| 3 | 1 | 486.68750000 | | 4K00F1D |
| 3 | 1 | 486.68750000 | | 20K0F3E |
| 3 | 1 | 486.68750000 | | 11K2F3E |
| 3 | 1 | 486.68750000 | | 11K2F2D |
| 3 | 1 | 486.68750000 | | 20K0F1D |
| 3 | 1 | 486.68750000 | | 11K2F1D |
| 3 | 1 | 486.68750000 | | 15K0F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BIG ROCK RIDGE RADIO SITE WEST NAVATO, NOVATO, MARIN, CA | 38.05916667, -122.60416667 | 575.800 m | LTOWER | 30.500 m structure / 36.600 m overall | N |
| 2 | T | | | | | | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 24.000 m | | | | 465.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 101 Roundhill Drive, Rockaway, NJ | MORRIS | 9736257500 |
Special conditions
| Type | Condition code |
|---|
| P | 1035 |
| P | 4020 |
License history
| Date | File or call sign | Action |
|---|
| 2025-11-19 | WPRM387 | LIREN |
| 2025-09-01 | WPRM387 | LETRES |
| 2021-11-23 | WPRM387 | COR |
| 2021-11-23 | WPRM387 | LIMOD |
| 2015-09-26 | WPRM387 | LIREN |
| 2015-08-24 | WPRM387 | LETRES |
| 2011-11-21 | WPRM387 | LIASS |
| 2011-08-03 | WPRM387 | ESUAPR |
| 2010-06-24 | WPRM387 | LIAUA |
| 2010-06-23 | WPRM387 | ESUAPR |
| 2010-03-22 | WPRM387 | LTSAPR |
| 2010-03-20 | WPRM387 | LIAUA |
| 2007-11-27 | WPRM387 | LIAUA |
| 2007-03-23 | WPRM387 | LIASS |
| 2005-11-05 | WPRM387 | LIREN |
| 2005-08-22 | WPRM387 | LETRES |
| 2002-06-18 | WPRM387 | LIAUA |
| 2002-06-06 | WPRM387 | LIASS |
| 2002-05-10 | WPRM387 | AUTHPR |
| 2002-05-09 | WPRM387 | COR |
| 2002-05-09 | WPRM387 | INTDUP |
| 2001-11-19 | WPRM387 | AUDOPR |
| 2000-11-23 | WPRM387 | LICCNV |
| 2000-11-17 | WPRM387 | AUTHPR |
| 2000-11-17 | WPRM387 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1833343 | 2026-08-02 01:14:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPRM387 | ULS 1833343 | 2026-08-02 01:14:20 |
| Status | A | ULS 1833343 | 2026-08-02 01:14:20 |
| Service | YG | ULS 1833343 | 2026-08-02 01:14:20 |
| Grant Date | 2025-11-19 | ULS 1833343 | 2026-08-02 01:14:20 |
| Expiration Date | 2035-11-17 | ULS 1833343 | 2026-08-02 01:14:20 |