Universal Licensing System
WPWN453
TIME SLOT TRUNKING LLC
License details
| ULS identifier | 2471202 |
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| Call sign | WPWN453 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2002-12-24 |
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| Expiration | 2012-12-24 |
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| Cancellation | 2013-02-23 |
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| Frequency range | 464.375 - 469.375 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | SAN JOSE, SANTA CLARA, CA |
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| Coordinates | 37.4021667, -121.8432778 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:55 |
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Licensee
| Name | TIME SLOT TRUNKING LLC |
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| Applicant type | L |
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| FRN | 0005874326 |
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| Location | San Jose, CA |
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| Address | San Jose, CA, 951522222 |
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| Phone | 5106565600 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 464.37500000 | | | 75.000000 | 170.000000 | |
| 2 | 1 | MO | 464.37500000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 469.37500000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | FX1T | 469.37500000 | | | 25.000000 | 55.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.37500000 | | 11K2F3E |
| 1 | 1 | 464.37500000 | | 20K0F3E |
| 2 | 1 | 464.37500000 | | 20K0F3E |
| 2 | 1 | 464.37500000 | | 11K2F3E |
| 2 | 1 | 469.37500000 | | 20K0F3E |
| 2 | 1 | 469.37500000 | | 11K2F3E |
| 3 | 1 | 469.37500000 | | 11K2F3E |
| 3 | 1 | 469.37500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3505 SIERRA ROAD, SAN JOSE, SANTA CLARA, CA | 37.40216667, -121.84327778 | 143.000 m | TOWER | 15.000 m structure / 18.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | San Jose, SANTA CLARA, CA | 37.45216667, -121.84327778 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 18.000 m | V | 5.1000 | 360.0000 | -86.000 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 49111 MILLMONT DRIVE, FREMONT, CA | ALAMEDA | 5106565600 |
Special conditions
| Type | Condition code |
|---|
| P | 1035 |
| P | 4020 |
| P | 5071 |
License history
| Date | File or call sign | Action |
|---|
| 2013-02-23 | WPWN453 | LIEXP |
| 2012-10-31 | WPWN453 | LIMOD |
| 2012-10-01 | WPWN453 | LETRES |
| 2012-08-20 | WPWN453 | ESCAPR |
| 2002-12-24 | WPWN453 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2471202 | 2026-08-02 01:14:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPWN453 | ULS 2471202 | 2026-08-02 01:14:55 |
| Status | E | ULS 2471202 | 2026-08-02 01:14:55 |
| Service | IG | ULS 2471202 | 2026-08-02 01:14:55 |
| Grant Date | 2002-12-24 | ULS 2471202 | 2026-08-02 01:14:55 |
| Expiration Date | 2012-12-24 | ULS 2471202 | 2026-08-02 01:14:55 |
| Cancellation Date | 2013-02-23 | ULS 2471202 | 2026-08-02 01:14:55 |