Universal Licensing System
WPKU723
DOOR DOCTOR
License details
| ULS identifier | 1929425 |
|---|
| Call sign | WPKU723 |
|---|
| Radio service | YU |
|---|
| Status | E |
|---|
| Grant date | 1997-07-24 |
|---|
| Expiration | 2002-07-24 |
|---|
| Cancellation | 2002-11-24 |
|---|
| Frequency range | 899.2 - 900.1875 MHz (15 frequencies) |
|---|
| Locations | 5 |
|---|
| Representative location | SOUTH SAN FRANCISCO, SAN MATEO, CA |
|---|
| Coordinates | 37.6891111, -122.4366389 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:28:07 |
|---|
Licensee
| Name | DOOR DOCTOR |
|---|
| Applicant type | C |
|---|
| Location | SAN FRANCISCO, CA |
|---|
| Address | 2160 PALOU AVE, SAN FRANCISCO, CA, 94124 |
|---|
| Phone | 4154682826 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | FX1 | 899.20000000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | MO | 899.20000000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.20000000 | | | 35.000000 | 35.000000 | |
| 3 | 1 | FX1 | 899.21250000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | MO | 899.21250000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.21250000 | | | 35.000000 | 35.000000 | |
| 3 | 1 | FX1 | 899.22500000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | MO | 899.22500000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.22500000 | | | 35.000000 | 35.000000 | |
| 3 | 1 | FX1 | 899.23750000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | MO | 899.23750000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.23750000 | | | 35.000000 | 35.000000 | |
| 3 | 1 | FX1 | 899.25000000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | MO | 899.25000000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.25000000 | | | 35.000000 | 35.000000 | |
| 3 | 1 | FX1 | 899.70000000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | MO | 899.70000000 | | | 30.000000 | 30.000000 | |
| 5 | 1 | MO | 899.70000000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | FX1 | 899.71250000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | MO | 899.71250000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.71250000 | | | 35.000000 | 35.000000 | |
| 3 | 1 | FX1 | 899.72500000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | MO | 899.72500000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.72500000 | | | 35.000000 | 35.000000 | |
| 3 | 1 | FX1 | 899.73750000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | MO | 899.73750000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.73750000 | | | 35.000000 | 35.000000 | |
| 3 | 1 | FX1 | 899.75000000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | MO | 899.75000000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MO | 899.75000000 | | | 35.000000 | 35.000000 | |
| 3 | 1 | FX1 | 900.13750000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | MO | 900.13750000 | | | 30.000000 | 30.000000 | |
| 5 | 1 | MO | 900.13750000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | FX1 | 900.15000000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | MO | 900.15000000 | | | 30.000000 | 30.000000 | |
| 5 | 1 | MO | 900.15000000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | FX1 | 900.16250000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | MO | 900.16250000 | | | 30.000000 | 30.000000 | |
| 5 | 1 | MO | 900.16250000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | FX1 | 900.17500000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | MO | 900.17500000 | | | 30.000000 | 30.000000 | |
| 5 | 1 | MO | 900.17500000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | FX1 | 900.18750000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | MO | 900.18750000 | | | 30.000000 | 30.000000 | |
| 5 | 1 | MO | 900.18750000 | | | 30.000000 | 30.000000 | |
| 1 | 1 | FB4C | 938.20000000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.21250000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.22500000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.23750000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.25000000 | | | 100.000000 | 35.000000 | |
| 2 | 1 | FB4C | 938.70000000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.71250000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.72500000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.73750000 | | | 100.000000 | 35.000000 | |
| 1 | 1 | FB4C | 938.75000000 | | | 100.000000 | 35.000000 | |
| 2 | 1 | FB4C | 939.13750000 | | | 100.000000 | 35.000000 | |
| 2 | 1 | FB4C | 939.15000000 | | | 100.000000 | 35.000000 | |
| 2 | 1 | FB4C | 939.16250000 | | | 100.000000 | 35.000000 | |
| 2 | 1 | FB4C | 939.17500000 | | | 100.000000 | 35.000000 | |
| 2 | 1 | FB4C | 939.18750000 | | | 100.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 899.20000000 | | 13K6F3E |
| 4 | 1 | 899.20000000 | | 13K6F3E |
| 5 | 1 | 899.20000000 | | 13K6F3E |
| 3 | 1 | 899.21250000 | | 13K6F3E |
| 4 | 1 | 899.21250000 | | 13K6F3E |
| 5 | 1 | 899.21250000 | | 13K6F3E |
| 3 | 1 | 899.22500000 | | 13K6F3E |
| 4 | 1 | 899.22500000 | | 13K6F3E |
| 5 | 1 | 899.22500000 | | 13K6F3E |
| 3 | 1 | 899.23750000 | | 13K6F3E |
| 4 | 1 | 899.23750000 | | 13K6F3E |
| 5 | 1 | 899.23750000 | | 13K6F3E |
| 3 | 1 | 899.25000000 | | 13K6F3E |
| 4 | 1 | 899.25000000 | | 13K6F3E |
| 5 | 1 | 899.25000000 | | 13K6F3E |
| 3 | 1 | 899.70000000 | | 13K6F3E |
| 4 | 1 | 899.70000000 | | 13K6F3E |
| 5 | 1 | 899.70000000 | | 13K6F3E |
| 3 | 1 | 899.71250000 | | 13K6F3E |
| 4 | 1 | 899.71250000 | | 13K6F3E |
| 5 | 1 | 899.71250000 | | 13K6F3E |
| 3 | 1 | 899.72500000 | | 13K6F3E |
| 4 | 1 | 899.72500000 | | 13K6F3E |
| 5 | 1 | 899.72500000 | | 13K6F3E |
| 3 | 1 | 899.73750000 | | 13K6F3E |
| 4 | 1 | 899.73750000 | | 13K6F3E |
| 5 | 1 | 899.73750000 | | 13K6F3E |
| 3 | 1 | 899.75000000 | | 13K6F3E |
| 4 | 1 | 899.75000000 | | 13K6F3E |
| 5 | 1 | 899.75000000 | | 13K6F3E |
| 3 | 1 | 900.13750000 | | 13K6F3E |
| 4 | 1 | 900.13750000 | | 13K6F3E |
| 5 | 1 | 900.13750000 | | 13K6F3E |
| 3 | 1 | 900.15000000 | | 13K6F3E |
| 4 | 1 | 900.15000000 | | 13K6F3E |
| 5 | 1 | 900.15000000 | | 13K6F3E |
| 3 | 1 | 900.16250000 | | 13K6F3E |
| 4 | 1 | 900.16250000 | | 13K6F3E |
| 5 | 1 | 900.16250000 | | 13K6F3E |
| 3 | 1 | 900.17500000 | | 13K6F3E |
| 4 | 1 | 900.17500000 | | 13K6F3E |
| 5 | 1 | 900.17500000 | | 13K6F3E |
| 3 | 1 | 900.18750000 | | 13K6F3E |
| 4 | 1 | 900.18750000 | | 13K6F3E |
| 5 | 1 | 900.18750000 | | 13K6F3E |
| 1 | 1 | 938.20000000 | | 13K6F3E |
| 1 | 1 | 938.21250000 | | 13K6F3E |
| 1 | 1 | 938.22500000 | | 13K6F3E |
| 1 | 1 | 938.23750000 | | 13K6F3E |
| 1 | 1 | 938.25000000 | | 13K6F3E |
| 2 | 1 | 938.70000000 | | 13K6F3E |
| 1 | 1 | 938.71250000 | | 13K6F3E |
| 1 | 1 | 938.72500000 | | 13K6F3E |
| 1 | 1 | 938.73750000 | | 13K6F3E |
| 1 | 1 | 938.75000000 | | 13K6F3E |
| 2 | 1 | 939.13750000 | | 13K6F3E |
| 2 | 1 | 939.15000000 | | 13K6F3E |
| 2 | 1 | 939.16250000 | | 13K6F3E |
| 2 | 1 | 939.17500000 | | 13K6F3E |
| 2 | 1 | 939.18750000 | | 13K6F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SAN BRUNO MOUNTAIN WATTSON COMM SITE, SOUTH SAN FRANCISCO, SAN MATEO, CA | 37.68911111, -122.43663889 | 369.000 m | TOWER | 85.000 m structure / 85.000 m overall | N |
| 2 | T | CLAY JONES BLDG 1250 JONES ST, SAN FRANCISCO, SAN FRANCISCO, CA | 37.79297222, -122.41413889 | 115.000 m | B | 108.000 m structure / 108.000 m overall | N |
| 3 | T | CA | | | | | |
| 4 | T | | | | | | |
| 5 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 67.000 m | | | | 72.000 | |
| 1 | 2 | T | | 97.000 m | | | | 77.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2160 PALOU AVE, SAN FRANCISCO, CA | | 4154682826 |
License history
| Date | File or call sign | Action |
|---|
| 2002-11-24 | WPKU723 | LIEXP |
| 2002-04-29 | WPKU723 | LETRES |
| 2000-11-24 | WPKU723 | LICCNV |
| 2000-07-20 | WPKU723 | LETDFS |
| 1997-07-24 | WPKU723 | LIISS |
| 1997-07-24 | WPKU723 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1929425 | 2026-08-02 01:28:07 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKU723 | ULS 1929425 | 2026-08-02 01:28:07 |
| Status | E | ULS 1929425 | 2026-08-02 01:28:07 |
| Service | YU | ULS 1929425 | 2026-08-02 01:28:07 |
| Grant Date | 1997-07-24 | ULS 1929425 | 2026-08-02 01:28:07 |
| Expiration Date | 2002-07-24 | ULS 1929425 | 2026-08-02 01:28:07 |
| Cancellation Date | 2002-11-24 | ULS 1929425 | 2026-08-02 01:28:07 |