Universal Licensing System
WPMY591
SUBSURFACE EXPLORATION CO
License details
| ULS identifier | 1803287 |
|---|
| Call sign | WPMY591 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2004-08-19 |
|---|
| Expiration | 2014-03-30 |
|---|
| Cancellation | 2014-05-31 |
|---|
| Frequency range | 451.5 - 451.75 MHz (6 frequencies) |
|---|
| Locations | 1 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:17:04 |
|---|
Licensee
| Name | SUBSURFACE EXPLORATION CO |
|---|
| Applicant type | C |
|---|
| FRN | 0010726636 |
|---|
| Location | PASADENA, CA |
|---|
| Address | 3100 E FOOTHILL BLVD, PASADENA, CA, 911073107 |
|---|
| Phone | 6265849258 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.50000000 | | | 50.000000 | | |
| 1 | 1 | MO | 451.55000000 | | | 50.000000 | | |
| 1 | 1 | MO | 451.60000000 | | | 50.000000 | | |
| 1 | 1 | MO | 451.65000000 | | | 50.000000 | | |
| 1 | 1 | MO | 451.70000000 | | | 50.000000 | | |
| 1 | 1 | MO | 451.75000000 | | | 50.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.50000000 | | 20K0F9W |
| 1 | 1 | 451.55000000 | | 20K0F9W |
| 1 | 1 | 451.60000000 | | 20K0F9W |
| 1 | 1 | 451.65000000 | | 20K0F9W |
| 1 | 1 | 451.70000000 | | 20K0F9W |
| 1 | 1 | 451.75000000 | | 20K0F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 3100 E FOOTHILL BLVD, PASADENA, CA | | 6265849258 |
License history
| Date | File or call sign | Action |
|---|
| 2014-05-31 | WPMY591 | LIEXP |
| 2014-01-06 | WPMY591 | LETRES |
| 2004-08-19 | WPMY591 | LIREN |
| 2004-05-06 | WPMY591 | LTSAPR |
| 2004-05-05 | WPMY591 | LTSAPR |
| 2004-01-05 | WPMY591 | LETRES |
| 2001-11-28 | WPMY591 | AUDOPR |
| 2000-11-23 | WPMY591 | LICCNV |
| 1999-03-30 | WPMY591 | LIISS |
| 1999-03-30 | WPMY591 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1803287 | 2026-08-02 01:17:04 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMY591 | ULS 1803287 | 2026-08-02 01:17:04 |
| Status | E | ULS 1803287 | 2026-08-02 01:17:04 |
| Service | IG | ULS 1803287 | 2026-08-02 01:17:04 |
| Grant Date | 2004-08-19 | ULS 1803287 | 2026-08-02 01:17:04 |
| Expiration Date | 2014-03-30 | ULS 1803287 | 2026-08-02 01:17:04 |
| Cancellation Date | 2014-05-31 | ULS 1803287 | 2026-08-02 01:17:04 |