Universal Licensing System
WREN566
EF Education First
License details
| ULS identifier | 4219715 |
|---|
| Call sign | WREN566 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2019-11-13 |
|---|
| Expiration | 2029-11-13 |
|---|
| Frequency range | 452.0625 - 469.6375 MHz (7 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | Cambridge, MIDDLESEX, MA |
|---|
| Coordinates | 42.3698611, -71.0688056 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:23:22 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 452.06250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.36250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.38750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.06250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.51250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | FB2 | 464.63750000 | | | 20.000000 | 20.000000 | |
| 3 | 1 | MO | 464.63750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 469.63750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.06250000 | | 7K60FXD |
| 1 | 1 | 452.06250000 | | 11K2F3E |
| 1 | 1 | 452.06250000 | | 7K60FXE |
| 1 | 1 | 456.36250000 | | 7K60FXE |
| 1 | 1 | 456.36250000 | | 7K60FXD |
| 1 | 1 | 456.36250000 | | 11K2F3E |
| 1 | 1 | 456.38750000 | | 11K2F3E |
| 1 | 1 | 456.38750000 | | 7K60FXD |
| 1 | 1 | 456.38750000 | | 7K60FXE |
| 1 | 1 | 457.06250000 | | 7K60FXD |
| 1 | 1 | 457.06250000 | | 7K60FXE |
| 1 | 1 | 457.06250000 | | 11K2F3E |
| 1 | 1 | 457.51250000 | | 7K60FXD |
| 1 | 1 | 457.51250000 | | 11K2F3E |
| 1 | 1 | 457.51250000 | | 7K60FXE |
| 2 | 1 | 464.63750000 | | 11K2F3E |
| 2 | 1 | 464.63750000 | | 7K60FXD |
| 2 | 1 | 464.63750000 | | 7K60FXE |
| 3 | 1 | 464.63750000 | | 11K2F3E |
| 3 | 1 | 464.63750000 | | 7K60FXE |
| 3 | 1 | 464.63750000 | | 7K60FXD |
| 3 | 1 | 469.63750000 | | 7K60FXE |
| 3 | 1 | 469.63750000 | | 11K2F3E |
| 3 | 1 | 469.63750000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Cambridge, MIDDLESEX, MA | 42.36986111, -71.06880556 | | | | |
| 2 | T | 2 Education Circle, Cambridge, MIDDLESEX, MA | 42.36986111, -71.06880556 | 0.000 m | BANT | 24.400 m structure / 30.500 m overall | N |
| 3 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 30.500 m | | | | 14.300 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2 Education Circle, Cambridge, MA | MIDDLESEX | 8004571300 |
License history
| Date | File or call sign | Action |
|---|
| 2023-07-11 | WREN566 | LETCNS |
| 2022-10-12 | WREN566 | LIMOD |
| 2019-11-13 | WREN566 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4219715 | 2026-08-02 01:23:22 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WREN566 | ULS 4219715 | 2026-08-02 01:23:22 |
| Status | A | ULS 4219715 | 2026-08-02 01:23:22 |
| Service | IG | ULS 4219715 | 2026-08-02 01:23:22 |
| Grant Date | 2019-11-13 | ULS 4219715 | 2026-08-02 01:23:22 |
| Expiration Date | 2029-11-13 | ULS 4219715 | 2026-08-02 01:23:22 |