Universal Licensing System
WPDM473
GILMAN SCHOOL
License details
| ULS identifier | 1712851 |
|---|
| Call sign | WPDM473 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 1998-10-28 |
|---|
| Expiration | 2003-10-15 |
|---|
| Cancellation | 2003-12-21 |
|---|
| Frequency range | 151.895 - 468.675 MHz (3 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | BALTIMORE, MD |
|---|
| Coordinates | 39.3612222, -76.6346944 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:28:37 |
|---|
Licensee
| Name | GILMAN SCHOOL |
|---|
| Applicant type | C |
|---|
| Location | BALTIMORE, MD |
|---|
| Address | 5407 ROLAND AVE, BALTIMORE, MD, 21210 |
|---|
| Phone | 4103233800 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FB | 151.89500000 | | | 25.000000 | 28.000000 | |
| 3 | 1 | MO | 151.89500000 | | | 5.000000 | | |
| 2 | 1 | FB2 | 463.67500000 | | | 25.000000 | 28.000000 | |
| 3 | 1 | MO | 463.67500000 | | | 5.000000 | | |
| 1 | 1 | FX1 | 468.67500000 | | | 25.000000 | | |
| 3 | 1 | MO | 468.67500000 | | | 5.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 151.89500000 | | 20K0F3E |
| 3 | 1 | 151.89500000 | | 20K0F3E |
| 2 | 1 | 463.67500000 | | 20K0F3E |
| 3 | 1 | 463.67500000 | | 20K0F3E |
| 1 | 1 | 468.67500000 | | 20K0F3E |
| 3 | 1 | 468.67500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MD | | | | | |
| 2 | T | 5407 ROLAND AVE, BALTIMORE, MD | 39.36122222, -76.63469444 | 26.000 m | | 15.000 m structure / 15.000 m overall | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 21.000 m | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 5407 ROLAND AVE, BALTIMORE, MD | | 4103233800 |
License history
| Date | File or call sign | Action |
|---|
| 2003-12-21 | WPDM473 | LIEXP |
| 2003-07-21 | WPDM473 | LETRES |
| 2001-10-22 | WPDM473 | AUDOPR |
| 2000-11-23 | WPDM473 | LICCNV |
| 1998-10-28 | WPDM473 | LIREN |
| 1998-10-28 | WPDM473 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1712851 | 2026-08-02 01:28:37 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPDM473 | ULS 1712851 | 2026-08-02 01:28:37 |
| Status | E | ULS 1712851 | 2026-08-02 01:28:37 |
| Service | IG | ULS 1712851 | 2026-08-02 01:28:37 |
| Grant Date | 1998-10-28 | ULS 1712851 | 2026-08-02 01:28:37 |
| Expiration Date | 2003-10-15 | ULS 1712851 | 2026-08-02 01:28:37 |
| Cancellation Date | 2003-12-21 | ULS 1712851 | 2026-08-02 01:28:37 |