Universal Licensing System
WPTB600
CRYSTAL SMR INC.
License details
| ULS identifier | 2346082 |
|---|
| Call sign | WPTB600 |
|---|
| Radio service | YG |
|---|
| Status | A |
|---|
| Grant date | 2021-11-16 |
|---|
| Expiration | 2031-08-23 |
|---|
| Frequency range | 489.8625 MHz |
|---|
| Locations | 12 |
|---|
| Representative location | FREMONT, ALAMEDA, CA |
|---|
| Coordinates | 37.4878056, -121.8702222 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:14:20 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 489.86250000 | | | 90.000000 | 413.000000 | |
| 2 | 1 | FB6 | 489.86250000 | | | 125.000000 | 350.000000 | |
| 3 | 1 | FB6 | 489.86250000 | | | 60.000000 | 181.000000 | |
| 4 | 1 | FB6 | 489.86250000 | | | 60.000000 | 163.000000 | |
| 5 | 1 | MO6 | 492.86250000 | | | 50.000000 | 50.000000 | |
| 6 | 1 | MO6 | 492.86250000 | | | 25.000000 | 63.000000 | |
| 7 | 1 | MO6 | 492.86250000 | | | 25.000000 | 63.000000 | |
| 8 | 1 | MO6 | 492.86250000 | | | 25.000000 | 63.000000 | |
| 9 | 1 | FX1T | 492.86250000 | | | 25.000000 | 63.000000 | |
| 10 | 1 | FX1T | 492.86250000 | | | 25.000000 | 63.000000 | |
| 11 | 1 | FX1T | 492.86250000 | | | 25.000000 | 63.000000 | |
| 12 | 1 | FX1T | 492.86250000 | | | 25.000000 | 63.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 489.86250000 | | 11K2F3E |
| 1 | 1 | 489.86250000 | | 4K00F1D |
| 1 | 1 | 489.86250000 | | 4K00F1E |
| 2 | 1 | 489.86250000 | | 11K2F3E |
| 2 | 1 | 489.86250000 | | 4K00F1D |
| 2 | 1 | 489.86250000 | | 4K00F1E |
| 3 | 1 | 489.86250000 | | 11K2F3E |
| 3 | 1 | 489.86250000 | | 4K00F1D |
| 3 | 1 | 489.86250000 | | 4K00F1E |
| 4 | 1 | 489.86250000 | | 4K00F1D |
| 4 | 1 | 489.86250000 | | 4K00F1E |
| 4 | 1 | 489.86250000 | | 11K2F3E |
| 5 | 1 | 492.86250000 | | 4K00F1E |
| 5 | 1 | 492.86250000 | | 4K00F1D |
| 5 | 1 | 492.86250000 | | 11K2F3E |
| 6 | 1 | 492.86250000 | | 4K00F1E |
| 6 | 1 | 492.86250000 | | 4K00F1D |
| 6 | 1 | 492.86250000 | | 11K2F3E |
| 7 | 1 | 492.86250000 | | 4K00F1E |
| 7 | 1 | 492.86250000 | | 11K2F3E |
| 7 | 1 | 492.86250000 | | 4K00F1D |
| 8 | 1 | 492.86250000 | | 11K2F3E |
| 8 | 1 | 492.86250000 | | 4K00F1D |
| 8 | 1 | 492.86250000 | | 4K00F1E |
| 9 | 1 | 492.86250000 | | 4K00F1E |
| 9 | 1 | 492.86250000 | | 4K00F1D |
| 9 | 1 | 492.86250000 | | 11K2F3E |
| 10 | 1 | 492.86250000 | | 4K00F1D |
| 10 | 1 | 492.86250000 | | 4K00F1E |
| 10 | 1 | 492.86250000 | | 11K2F3E |
| 11 | 1 | 492.86250000 | | 4K00F1D |
| 11 | 1 | 492.86250000 | | 11K2F3E |
| 11 | 1 | 492.86250000 | | 4K00F1E |
| 12 | 1 | 492.86250000 | | 4K00F1D |
| 12 | 1 | 492.86250000 | | 11K2F3E |
| 12 | 1 | 492.86250000 | | 4K00F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | GRIZZLY PEAK, OAKLAND, CONTRA COSTA, CA | 37.85325000, -122.20941667 | 444.000 m | POLE | 42.000 m structure / 49.000 m overall | N |
| 2 | T | 9540 Weller Rd., FREMONT, ALAMEDA, CA | 37.48780556, -121.87022222 | 767.800 m | LTOWER | 54.900 m structure / 60.400 m overall | N |
| 3 | T | 37 Devil's Peak, Burlingame, SAN MATEO, CA | 37.54269444, -122.44663889 | 546.500 m | LTOWER | 37.000 m structure / 61.000 m overall | N |
| 4 | T | Mt. Vaca, Vacaville, SOLANO, CA | 38.40877778, -122.11050000 | 829.000 m | LTOWER | 61.000 m structure / 61.000 m overall | N |
| 5 | T | | | | | | N |
| 6 | T | | | | | | N |
| 7 | T | | | | | | N |
| 8 | T | | | | | | N |
| 9 | T | | | | | | |
| 10 | T | | | | | | |
| 11 | T | | | | | | |
| 12 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 49.000 m | | | | 364.000 | |
| 1 | 2 | T | | 59.400 m | | | | 604.300 | |
| 1 | 3 | T | | 61.000 m | | | | 504.000 | |
| 1 | 4 | T | | 26.000 m | | | | 591.800 | |
| 1 | 5 | | | | | | | | |
| 1 | 6 | | | | | | | | |
| 1 | 7 | | | | | | | | |
| 1 | 8 | | | | | | | | |
| 1 | 9 | | | | | | | | |
| 1 | 10 | | | | | | | | |
| 1 | 11 | | | | | | | | |
| 1 | 12 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1601 NEPTUNE DRIVE, SAN LEANDRO, CA | ALAMEDA | 5108959500 |
License history
| Date | File or call sign | Action |
|---|
| 2021-12-15 | WPTB600 | LIMOD |
| 2021-11-16 | WPTB600 | LIREN |
| 2021-05-31 | WPTB600 | LETRES |
| 2013-01-01 | WPTB600 | LIMOD |
| 2013-01-01 | WPTB600 | LTSAPR |
| 2011-08-25 | WPTB600 | LIREN |
| 2011-05-30 | WPTB600 | LETRES |
| 2002-05-20 | WPTB600 | LETCNS |
| 2001-08-23 | WPTB600 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2346082 | 2026-08-02 01:14:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTB600 | ULS 2346082 | 2026-08-02 01:14:20 |
| Status | A | ULS 2346082 | 2026-08-02 01:14:20 |
| Service | YG | ULS 2346082 | 2026-08-02 01:14:20 |
| Grant Date | 2021-11-16 | ULS 2346082 | 2026-08-02 01:14:20 |
| Expiration Date | 2031-08-23 | ULS 2346082 | 2026-08-02 01:14:20 |