Universal Licensing System
WRDQ520
TILSON TECHNOLOGY MANAGEMENT, INC.
License details
| ULS identifier | 4174281 |
|---|
| Call sign | WRDQ520 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2019-06-26 |
|---|
| Expiration | 2029-06-26 |
|---|
| Frequency range | 461.1125 - 467.9125 MHz (10 frequencies) |
|---|
| Locations | 1 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:22:53 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MOI | 461.11250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MOI | 461.18750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MOI | 461.21250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MOI | 461.23750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MOI | 461.28750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MOI | 461.31250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MOI | 462.78750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MOI | 462.81250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MOI | 464.53750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MOI | 467.91250000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.11250000 | | 11K2F1D |
| 1 | 1 | 461.11250000 | | 7K60FXD |
| 1 | 1 | 461.11250000 | | 7K60FXE |
| 1 | 1 | 461.11250000 | | 11K2F3E |
| 1 | 1 | 461.18750000 | | 7K60FXE |
| 1 | 1 | 461.18750000 | | 11K2F1D |
| 1 | 1 | 461.18750000 | | 11K2F3E |
| 1 | 1 | 461.18750000 | | 7K60FXD |
| 1 | 1 | 461.21250000 | | 11K2F3E |
| 1 | 1 | 461.21250000 | | 11K2F1D |
| 1 | 1 | 461.21250000 | | 7K60FXE |
| 1 | 1 | 461.21250000 | | 7K60FXD |
| 1 | 1 | 461.23750000 | | 11K2F3E |
| 1 | 1 | 461.23750000 | | 7K60FXE |
| 1 | 1 | 461.23750000 | | 7K60FXD |
| 1 | 1 | 461.23750000 | | 11K2F1D |
| 1 | 1 | 461.28750000 | | 7K60FXD |
| 1 | 1 | 461.28750000 | | 7K60FXE |
| 1 | 1 | 461.28750000 | | 11K2F1D |
| 1 | 1 | 461.28750000 | | 11K2F3E |
| 1 | 1 | 461.31250000 | | 7K60FXD |
| 1 | 1 | 461.31250000 | | 11K2F1D |
| 1 | 1 | 461.31250000 | | 7K60FXE |
| 1 | 1 | 461.31250000 | | 11K2F3E |
| 1 | 1 | 462.78750000 | | 11K2F3E |
| 1 | 1 | 462.78750000 | | 7K60FXD |
| 1 | 1 | 462.78750000 | | 7K60FXE |
| 1 | 1 | 462.78750000 | | 11K2F1D |
| 1 | 1 | 462.81250000 | | 11K2F3E |
| 1 | 1 | 462.81250000 | | 7K60FXE |
| 1 | 1 | 462.81250000 | | 7K60FXD |
| 1 | 1 | 462.81250000 | | 11K2F1D |
| 1 | 1 | 464.53750000 | | 11K2F3E |
| 1 | 1 | 464.53750000 | | 7K60FXE |
| 1 | 1 | 464.53750000 | | 7K60FXD |
| 1 | 1 | 464.53750000 | | 11K2F1D |
| 1 | 1 | 467.91250000 | | 7K60FXE |
| 1 | 1 | 467.91250000 | | 11K2F1D |
| 1 | 1 | 467.91250000 | | 11K2F3E |
| 1 | 1 | 467.91250000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | 0.000 m | | | |
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 | 16 MIDDLE ST. 4TH FLOOR, PORTLAND, ME | CUMBERLAND | 2075916427 |
License history
| Date | File or call sign | Action |
|---|
| 2019-06-26 | WRDQ520 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4174281 | 2026-08-02 01:22:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDQ520 | ULS 4174281 | 2026-08-02 01:22:53 |
| Status | A | ULS 4174281 | 2026-08-02 01:22:53 |
| Service | IG | ULS 4174281 | 2026-08-02 01:22:53 |
| Grant Date | 2019-06-26 | ULS 4174281 | 2026-08-02 01:22:53 |
| Expiration Date | 2029-06-26 | ULS 4174281 | 2026-08-02 01:22:53 |