Universal Licensing System
WPTT547
Dobly Laboratories Inc
License details
| ULS identifier | 2369053 |
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| Call sign | WPTT547 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2001-12-12 |
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| Expiration | 2011-12-12 |
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| Cancellation | 2012-02-11 |
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| Frequency range | 452.85 - 457.85 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | San Francisco, SAN FRANCISCO, CA |
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| Coordinates | 37.7680556, -122.4077778 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:43 |
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Licensee
| Name | Dobly Laboratories Inc |
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| Applicant type | C |
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| FRN | 0006404057 |
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| Location | San Francisco, CA |
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| Address | 100 Potrero Ave, San Francisco, CA, 94103 |
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| Phone | 4156455162 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 452.85000000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MO | 452.85000000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MO | 457.85000000 | | | 45.000000 | 45.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.85000000 | | 11K2F3E |
| 2 | 1 | 452.85000000 | | 11K2F3E |
| 2 | 1 | 457.85000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 100 Potrero Ave, San Francisco, SAN FRANCISCO, CA | 37.76805556, -122.40777778 | 30.100 m | BANT | 37.000 m structure / 38.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | | | 38.000 m | V | 0.0000 | 0.0000 | 35.200 | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 100 Potrero Ave, San Francisco, CA | SAN FRANCISCO | 4156455162 |
License history
| Date | File or call sign | Action |
|---|
| 2012-02-11 | WPTT547 | LIEXP |
| 2011-09-19 | WPTT547 | LETRES |
| 2002-11-01 | WPTT547 | LIAUA |
| 2002-09-09 | WPTT547 | LETCNS |
| 2001-12-12 | WPTT547 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2369053 | 2026-08-02 01:14:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTT547 | ULS 2369053 | 2026-08-02 01:14:43 |
| Status | E | ULS 2369053 | 2026-08-02 01:14:43 |
| Service | IG | ULS 2369053 | 2026-08-02 01:14:43 |
| Grant Date | 2001-12-12 | ULS 2369053 | 2026-08-02 01:14:43 |
| Expiration Date | 2011-12-12 | ULS 2369053 | 2026-08-02 01:14:43 |
| Cancellation Date | 2012-02-11 | ULS 2369053 | 2026-08-02 01:14:43 |