Universal Licensing System
WPMI503
ISS INTERNATIONAL SERVICE SYSTEM
License details
| ULS identifier | 1795083 |
|---|
| Call sign | WPMI503 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 1998-08-04 |
|---|
| Expiration | 2003-08-04 |
|---|
| Cancellation | 2003-10-05 |
|---|
| Frequency range | 462.5 - 467.5 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | WASHINGTON, DC |
|---|
| Coordinates | 38.8992778, -77.0427500 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:26:44 |
|---|
Licensee
| Name | ISS INTERNATIONAL SERVICE SYSTEM |
|---|
| Applicant type | C |
|---|
| Location | BELTSVILLE, MD |
|---|
| Address | 10111 G BACON DR, BELTSVILLE, MD, 20705 |
|---|
| Phone | 2024582292 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 462.50000000 | | | 75.000000 | 150.000000 | |
| 2 | 1 | MO | 462.50000000 | | | 4.000000 | | |
| 2 | 1 | MO | 467.50000000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 462.50000000 | | 20K0F3E |
| 2 | 1 | 462.50000000 | | 20K0F3E |
| 2 | 1 | 467.50000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1818 H ST NW, WASHINGTON, DC | 38.89927778, -77.04275000 | 14.000 m | B | 37.000 m structure / 37.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 37.000 m | | | | -3.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1818 H ST NW, WASHINGTON, DC | | 2024582292 |
License history
| Date | File or call sign | Action |
|---|
| 2003-10-05 | WPMI503 | LIEXP |
| 2003-05-12 | WPMI503 | LETRES |
| 2002-05-03 | WPMI503 | LETAUS |
| 2000-11-23 | WPMI503 | LICCNV |
| 1998-08-04 | WPMI503 | AUTHPR |
| 1998-08-04 | WPMI503 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1795083 | 2026-08-02 01:26:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMI503 | ULS 1795083 | 2026-08-02 01:26:44 |
| Status | E | ULS 1795083 | 2026-08-02 01:26:44 |
| Service | IG | ULS 1795083 | 2026-08-02 01:26:44 |
| Grant Date | 1998-08-04 | ULS 1795083 | 2026-08-02 01:26:44 |
| Expiration Date | 2003-08-04 | ULS 1795083 | 2026-08-02 01:26:44 |
| Cancellation Date | 2003-10-05 | ULS 1795083 | 2026-08-02 01:26:44 |