Universal Licensing System
WPDC851
MIT Lincoln Laboratory
License details
| ULS identifier | 1711226 |
|---|
| Call sign | WPDC851 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2023-07-01 |
|---|
| Expiration | 2033-09-14 |
|---|
| Frequency range | 461.9 - 469.55 MHz (7 frequencies) |
|---|
| Locations | 4 |
|---|
| Representative location | LEXINGTON, MIDDLESEX, MA |
|---|
| Coordinates | 42.4415000, -71.2631111 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:11:51 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 461.90000000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 461.90000000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | FB2 | 461.90000000 | | | 40.000000 | 50.000000 | |
| 4 | 1 | MO | 461.90000000 | | | 40.000000 | 40.000000 | |
| 5 | 1 | MOI | 464.50000000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MOI | 464.55000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 466.90000000 | | | 40.000000 | 40.000000 | |
| 4 | 1 | MO | 466.90000000 | | | 40.000000 | 40.000000 | |
| 6 | 1 | MO | 467.31250000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MOI | 469.50000000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MOI | 469.55000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.90000000 | | 11K2F3E |
| 1 | 1 | 461.90000000 | | 7K60FXD |
| 1 | 1 | 461.90000000 | | 7K60FXE |
| 2 | 1 | 461.90000000 | | 7K60FXD |
| 2 | 1 | 461.90000000 | | 7K60FXE |
| 2 | 1 | 461.90000000 | | 11K2F3E |
| 3 | 1 | 461.90000000 | | 7K60FXD |
| 3 | 1 | 461.90000000 | | 7K60FXE |
| 3 | 1 | 461.90000000 | | 11K2F3E |
| 4 | 1 | 461.90000000 | | 7K60FXD |
| 4 | 1 | 461.90000000 | | 7K60FXE |
| 4 | 1 | 461.90000000 | | 11K2F3E |
| 5 | 1 | 464.50000000 | | 7K60FXD |
| 5 | 1 | 464.50000000 | | 7K60FXE |
| 5 | 1 | 464.50000000 | | 11K2F3E |
| 5 | 1 | 464.55000000 | | 7K60FXE |
| 5 | 1 | 464.55000000 | | 11K2F3E |
| 5 | 1 | 464.55000000 | | 7K60FXD |
| 2 | 1 | 466.90000000 | | 7K60FXD |
| 2 | 1 | 466.90000000 | | 11K2F3E |
| 2 | 1 | 466.90000000 | | 7K60FXE |
| 4 | 1 | 466.90000000 | | 7K60FXE |
| 4 | 1 | 466.90000000 | | 7K60FXD |
| 4 | 1 | 466.90000000 | | 11K2F3E |
| 6 | 1 | 467.31250000 | | 7K60FXE |
| 6 | 1 | 467.31250000 | | 11K2F3E |
| 6 | 1 | 467.31250000 | | 7K60FXD |
| 5 | 1 | 469.50000000 | | 7K60FXD |
| 5 | 1 | 469.50000000 | | 11K2F3E |
| 5 | 1 | 469.50000000 | | 7K60FXE |
| 5 | 1 | 469.55000000 | | 11K2F3E |
| 5 | 1 | 469.55000000 | | 7K60FXD |
| 5 | 1 | 469.55000000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 244 WOOD, LEXINGTON, MIDDLESEX, MA | 42.46055556, -71.26805556 | 65.000 m | B | 9.000 m structure / 10.000 m overall | N |
| 2 | T | MIDDLESEX, MA | 42.46063889, -71.26755556 | | | | N |
| 3 | | 3 FORBES RD, LEXINGTON, MIDDLESEX, MA | 42.44150000, -71.26311111 | 56.000 m | BANT | 13.700 m structure / 16.700 m overall | N |
| 4 | | | | | | | N |
| 5 | | | | 0.000 m | | | N |
| 6 | | 244 WOOD, LEXINGTON, MIDDLESEX, MA | 42.46055556, -71.26805556 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 10.000 m | | | | 29.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 16.700 m | | | | 20.800 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
| 1 | 6 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 244 WOOD ST, RM B132, LEXINGTON, MA | MIDDLESEX | 7819817689 |
License history
| Date | File or call sign | Action |
|---|
| 2024-08-31 | WPDC851 | LIAUA |
| 2023-07-01 | WPDC851 | LIREN |
| 2023-06-26 | WPDC851 | LETRES |
| 2017-11-13 | WPDC851 | LIMOD |
| 2013-08-03 | WPDC851 | LIREN |
| 2013-06-24 | WPDC851 | LETRES |
| 2013-02-05 | WPDC851 | LETCNS |
| 2012-05-07 | WPDC851 | LIMOD |
| 2003-07-22 | WPDC851 | LIREN |
| 2003-06-23 | WPDC851 | LETRES |
| 2002-11-19 | WPDC851 | LETCNS |
| 2002-02-20 | WPDC851 | LIMOD |
| 2001-10-22 | WPDC851 | AUDOPR |
| 2000-11-23 | WPDC851 | LICCNV |
| 1998-08-05 | WPDC851 | LIREN |
| 1998-08-05 | WPDC851 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1711226 | 2026-08-02 01:11:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPDC851 | ULS 1711226 | 2026-08-02 01:11:51 |
| Status | A | ULS 1711226 | 2026-08-02 01:11:51 |
| Service | IG | ULS 1711226 | 2026-08-02 01:11:51 |
| Grant Date | 2023-07-01 | ULS 1711226 | 2026-08-02 01:11:51 |
| Expiration Date | 2033-09-14 | ULS 1711226 | 2026-08-02 01:11:51 |