Universal Licensing System
WRD636
MARINE SERVICES INC
License details
| ULS identifier | 1981892 |
|---|
| Call sign | WRD636 |
|---|
| Radio service | MC |
|---|
| Status | A |
|---|
| Grant date | 2025-09-17 |
|---|
| Expiration | 2035-10-05 |
|---|
| Frequency range | 156.45 - 156.8 MHz (3 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | MARCUS HOOK, DELAWARE, PA |
|---|
| Coordinates | 39.8101111, -75.4101944 |
|---|
| Source archive | l_coast.zip |
|---|
| Dataset refreshed | 2026-08-02 02:08:10 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FCL | 156.45000000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.50000000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.80000000 | | | 50.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 156.45000000 | | 16K0F3E |
| 1 | 1 | 156.50000000 | | 16K0F3E |
| 1 | 1 | 156.80000000 | | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | DELAWARE & CHURCH STS, MARCUS HOOK, DELAWARE, PA | 39.81011111, -75.41019444 | 1.000 m | TOWER | 14.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-17 | WRD636 | LIREN |
| 2025-07-14 | WRD636 | LETRES |
| 2015-07-16 | WRD636 | LIREN |
| 2015-07-15 | WRD636 | ESUAPR |
| 2015-07-13 | WRD636 | LETRES |
| 2005-11-07 | WRD636 | LIREN |
| 2005-11-07 | WRD636 | LTSAPR |
| 2005-07-11 | WRD636 | LETRES |
| 2001-04-27 | WRD636 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1981892 | 2026-08-02 02:08:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRD636 | ULS 1981892 | 2026-08-02 02:08:10 |
| Status | A | ULS 1981892 | 2026-08-02 02:08:10 |
| Service | MC | ULS 1981892 | 2026-08-02 02:08:10 |
| Grant Date | 2025-09-17 | ULS 1981892 | 2026-08-02 02:08:10 |
| Expiration Date | 2035-10-05 | ULS 1981892 | 2026-08-02 02:08:10 |