Universal Licensing System
WRDM204
Express Scripts
License details
| ULS identifier | 4166197 |
|---|
| Call sign | WRDM204 |
|---|
| Radio service | IG |
|---|
| Status | A |
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| Grant date | 2019-06-01 |
|---|
| Expiration | 2029-06-01 |
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| Frequency range | 452.0375 - 457.6375 MHz (5 frequencies) |
|---|
| Locations | 1 |
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| Representative location | Byfield, ESSEX, MA |
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| Coordinates | 42.7558056, -70.9491111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:15:27 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 452.03750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.63750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.33750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.03750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.63750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.03750000 | | 7K60FXE |
| 1 | 1 | 452.63750000 | | 7K60FXE |
| 1 | 1 | 456.33750000 | | 7K60FXE |
| 1 | 1 | 457.03750000 | | 7K60FXE |
| 1 | 1 | 457.63750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Byfield, ESSEX, MA | 42.75580556, -70.94911111 | | | | |
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 | 12 Kent Way, Byfield, MA | ESSEX | 9784991491 |
License history
| Date | File or call sign | Action |
|---|
| 2020-03-03 | WRDM204 | LETCNS |
| 2019-06-01 | WRDM204 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4166197 | 2026-08-02 01:15:27 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDM204 | ULS 4166197 | 2026-08-02 01:15:27 |
| Status | A | ULS 4166197 | 2026-08-02 01:15:27 |
| Service | IG | ULS 4166197 | 2026-08-02 01:15:27 |
| Grant Date | 2019-06-01 | ULS 4166197 | 2026-08-02 01:15:27 |
| Expiration Date | 2029-06-01 | ULS 4166197 | 2026-08-02 01:15:27 |