Universal Licensing System
KD53486
License details
| ULS identifier | 1608467 |
|---|---|
| Call sign | KD53486 |
| Radio service | IG |
| Status | A |
| Grant date | 2025-01-23 |
| Expiration | 2035-02-02 |
| Frequency range | 452.0375 - 469.4125 MHz (11 frequencies) |
| Locations | 15 |
| Representative location | Chelmsford, MIDDLESEX, MA |
| Coordinates | 42.6188889, -71.3672222 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:25:22 |
Licensee
| Name | MC CARTHY MIDDLE SCHOOL |
|---|---|
| Applicant type | G |
| FRN | 0009281692 |
| Location | CHELMSFORD, MA |
| Address | 250 NORTH ROAD, CHELMSFORD, MA, 01824 |
| Phone | 9782515100 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 14 | 1 | MO | 452.03750000 | 4.000000 | 4.000000 | |||
| 15 | 1 | MO | 452.03750000 | 4.000000 | 4.000000 | |||
| 17 | 1 | MO | 452.03750000 | 4.000000 | 4.000000 | |||
| 18 | 1 | MO | 452.03750000 | 4.000000 | 4.000000 | |||
| 17 | 1 | MO | 452.22500000 | 4.000000 | 4.000000 | |||
| 14 | 1 | MO | 452.81250000 | 4.000000 | 4.000000 | |||
| 15 | 1 | MO | 452.81250000 | 4.000000 | 4.000000 | |||
| 16 | 1 | MO | 452.81250000 | 4.000000 | 4.000000 | |||
| 18 | 1 | MO | 452.81250000 | 4.000000 | 4.000000 | |||
| 15 | 1 | MO | 456.76250000 | 4.000000 | 4.000000 | |||
| 16 | 1 | MO | 456.76250000 | 4.000000 | 4.000000 | |||
| 17 | 1 | MO | 456.76250000 | 4.000000 | 4.000000 | |||
| 18 | 1 | MO | 456.76250000 | 4.000000 | 4.000000 | |||
| 14 | 1 | MO | 457.03750000 | 4.000000 | 4.000000 | |||
| 15 | 1 | MO | 457.03750000 | 4.000000 | 4.000000 | |||
| 16 | 1 | MO | 457.03750000 | 4.000000 | 4.000000 | |||
| 17 | 1 | MO | 457.03750000 | 4.000000 | 4.000000 | |||
| 18 | 1 | MO | 457.03750000 | 4.000000 | 4.000000 | |||
| 14 | 1 | MO | 457.22500000 | 4.000000 | 4.000000 | |||
| 17 | 1 | MO | 457.22500000 | 4.000000 | 4.000000 | |||
| 14 | 1 | MO | 457.81250000 | 4.000000 | 4.000000 | |||
| 15 | 1 | MO | 457.81250000 | 4.000000 | 4.000000 | |||
| 16 | 1 | MO | 457.81250000 | 4.000000 | 4.000000 | |||
| 18 | 1 | MO | 457.81250000 | 4.000000 | 4.000000 | |||
| 8 | 1 | FB2 | 461.58750000 | 10.000000 | 10.000000 | |||
| 9 | 1 | MO | 461.58750000 | 4.000000 | 4.000000 | |||
| 4 | 1 | FB2 | 461.63750000 | 10.000000 | 10.000000 | |||
| 5 | 1 | MO | 461.63750000 | 4.000000 | 4.000000 | |||
| 10 | 1 | FB2 | 461.68750000 | 10.000000 | 10.000000 | |||
| 11 | 1 | MO | 461.68750000 | 4.000000 | 4.000000 | |||
| 4 | 1 | FB2 | 462.03750000 | 10.000000 | 10.000000 | |||
| 5 | 1 | MO | 462.03750000 | 4.000000 | 4.000000 | |||
| 12 | 1 | FB2 | 462.40000000 | 10.000000 | 10.000000 | |||
| 13 | 1 | MO | 462.40000000 | 4.000000 | 4.000000 | |||
| 8 | 1 | FB2 | 463.33750000 | 10.000000 | 10.000000 | |||
| 9 | 1 | MO | 463.33750000 | 4.000000 | 4.000000 | |||
| 6 | 1 | FB2 | 463.43750000 | 40.000000 | 40.000000 | |||
| 7 | 1 | MO | 463.43750000 | 4.000000 | 4.000000 | |||
| 10 | 1 | FB2 | 463.78750000 | 10.000000 | 10.000000 | |||
| 11 | 1 | MO | 463.78750000 | 4.000000 | 4.000000 | |||
| 2 | 1 | FB2 | 464.33750000 | 25.000000 | 50.000000 | |||
| 3 | 1 | MO | 464.33750000 | 5.000000 | 5.000000 | |||
| 12 | 1 | FB2 | 464.41250000 | 10.000000 | 10.000000 | |||
| 13 | 1 | MO | 464.41250000 | 4.000000 | 4.000000 | |||
| 6 | 1 | FB2 | 464.96250000 | 40.000000 | 40.000000 | |||
| 7 | 1 | MO | 464.96250000 | 4.000000 | 4.000000 | |||
| 9 | 1 | MO | 466.58750000 | 4.000000 | 4.000000 | |||
| 5 | 1 | MO | 466.63750000 | 4.000000 | 4.000000 | |||
| 11 | 1 | MO | 466.68750000 | 4.000000 | 4.000000 | |||
| 5 | 1 | MO | 467.03750000 | 4.000000 | 4.000000 | |||
| 13 | 1 | MO | 467.40000000 | 4.000000 | 4.000000 | |||
| 9 | 1 | MO | 468.33750000 | 4.000000 | 4.000000 | |||
| 7 | 1 | MO | 468.43750000 | 4.000000 | 4.000000 | |||
| 11 | 1 | MO | 468.78750000 | 4.000000 | 4.000000 | |||
| 3 | 1 | MO | 469.33750000 | 5.000000 | 5.000000 | |||
| 13 | 1 | MO | 469.41250000 | 4.000000 | 4.000000 | |||
| 1 | 1 | MO | 469.56250000 | 2.000000 | 2.000000 | |||
| 1 | 1 | MO | 469.86250000 | 5.000000 | 5.000000 | |||
| 7 | 1 | MO | 469.96250000 | 4.000000 | 4.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 14 | 1 | 452.03750000 | 7K60FXE | |
| 14 | 1 | 452.03750000 | 7K60FXD | |
| 15 | 1 | 452.03750000 | 7K60FXE | |
| 15 | 1 | 452.03750000 | 7K60FXD | |
| 17 | 1 | 452.03750000 | 7K60FXD | |
| 17 | 1 | 452.03750000 | 7K60FXE | |
| 18 | 1 | 452.03750000 | 7K60FXD | |
| 18 | 1 | 452.03750000 | 7K60FXE | |
| 17 | 1 | 452.22500000 | 7K60FXD | |
| 17 | 1 | 452.22500000 | 7K60FXE | |
| 14 | 1 | 452.81250000 | 7K60FXE | |
| 14 | 1 | 452.81250000 | 7K60FXD | |
| 15 | 1 | 452.81250000 | 7K60FXD | |
| 15 | 1 | 452.81250000 | 7K60FXE | |
| 16 | 1 | 452.81250000 | 7K60FXD | |
| 16 | 1 | 452.81250000 | 7K60FXE | |
| 18 | 1 | 452.81250000 | 7K60FXD | |
| 18 | 1 | 452.81250000 | 7K60FXE | |
| 15 | 1 | 456.76250000 | 7K60FXE | |
| 15 | 1 | 456.76250000 | 7K60FXD | |
| 16 | 1 | 456.76250000 | 7K60FXD | |
| 16 | 1 | 456.76250000 | 7K60FXE | |
| 17 | 1 | 456.76250000 | 7K60FXE | |
| 17 | 1 | 456.76250000 | 7K60FXD | |
| 18 | 1 | 456.76250000 | 7K60FXD | |
| 18 | 1 | 456.76250000 | 7K60FXE | |
| 14 | 1 | 457.03750000 | 7K60FXE | |
| 14 | 1 | 457.03750000 | 7K60FXD | |
| 15 | 1 | 457.03750000 | 7K60FXE | |
| 15 | 1 | 457.03750000 | 7K60FXD | |
| 16 | 1 | 457.03750000 | 7K60FXE | |
| 16 | 1 | 457.03750000 | 7K60FXD | |
| 17 | 1 | 457.03750000 | 7K60FXD | |
| 17 | 1 | 457.03750000 | 7K60FXE | |
| 18 | 1 | 457.03750000 | 7K60FXD | |
| 18 | 1 | 457.03750000 | 7K60FXE | |
| 14 | 1 | 457.22500000 | 7K60FXE | |
| 14 | 1 | 457.22500000 | 7K60FXD | |
| 17 | 1 | 457.22500000 | 7K60FXD | |
| 17 | 1 | 457.22500000 | 7K60FXE | |
| 14 | 1 | 457.81250000 | 7K60FXE | |
| 14 | 1 | 457.81250000 | 7K60FXD | |
| 15 | 1 | 457.81250000 | 7K60FXD | |
| 15 | 1 | 457.81250000 | 7K60FXE | |
| 16 | 1 | 457.81250000 | 7K60FXD | |
| 16 | 1 | 457.81250000 | 7K60FXE | |
| 18 | 1 | 457.81250000 | 7K60FXD | |
| 18 | 1 | 457.81250000 | 7K60FXE | |
| 8 | 1 | 461.58750000 | 7K60FXE | |
| 8 | 1 | 461.58750000 | 7K60FXD | |
| 9 | 1 | 461.58750000 | 7K60FXE | |
| 9 | 1 | 461.58750000 | 7K60FXD | |
| 4 | 1 | 461.63750000 | 7K60FXE | |
| 4 | 1 | 461.63750000 | 7K60FXD | |
| 5 | 1 | 461.63750000 | 7K60FXE | |
| 5 | 1 | 461.63750000 | 7K60FXD | |
| 10 | 1 | 461.68750000 | 7K60FXD | |
| 10 | 1 | 461.68750000 | 7K60FXE | |
| 11 | 1 | 461.68750000 | 7K60FXE | |
| 11 | 1 | 461.68750000 | 7K60FXD | |
| 4 | 1 | 462.03750000 | 7K60FXD | |
| 4 | 1 | 462.03750000 | 7K60FXE | |
| 5 | 1 | 462.03750000 | 7K60FXE | |
| 5 | 1 | 462.03750000 | 7K60FXD | |
| 12 | 1 | 462.40000000 | 7K60FXE | |
| 12 | 1 | 462.40000000 | 7K60FXD | |
| 13 | 1 | 462.40000000 | 7K60FXE | |
| 13 | 1 | 462.40000000 | 7K60FXD | |
| 8 | 1 | 463.33750000 | 7K60FXD | |
| 8 | 1 | 463.33750000 | 7K60FXE | |
| 9 | 1 | 463.33750000 | 7K60FXE | |
| 9 | 1 | 463.33750000 | 7K60FXD | |
| 6 | 1 | 463.43750000 | 7K60FXD | |
| 6 | 1 | 463.43750000 | 7K60FXE | |
| 7 | 1 | 463.43750000 | 7K60FXE | |
| 7 | 1 | 463.43750000 | 7K60FXD | |
| 10 | 1 | 463.78750000 | 7K60FXD | |
| 10 | 1 | 463.78750000 | 7K60FXE | |
| 11 | 1 | 463.78750000 | 7K60FXE | |
| 11 | 1 | 463.78750000 | 7K60FXD | |
| 2 | 1 | 464.33750000 | 11K2F3E | |
| 3 | 1 | 464.33750000 | 11K2F3E | |
| 12 | 1 | 464.41250000 | 7K60FXE | |
| 12 | 1 | 464.41250000 | 7K60FXD | |
| 13 | 1 | 464.41250000 | 7K60FXE | |
| 13 | 1 | 464.41250000 | 7K60FXD | |
| 6 | 1 | 464.96250000 | 7K60FXD | |
| 6 | 1 | 464.96250000 | 7K60FXE | |
| 7 | 1 | 464.96250000 | 7K60FXE | |
| 7 | 1 | 464.96250000 | 7K60FXD | |
| 9 | 1 | 466.58750000 | 7K60FXD | |
| 9 | 1 | 466.58750000 | 7K60FXE | |
| 5 | 1 | 466.63750000 | 7K60FXE | |
| 5 | 1 | 466.63750000 | 7K60FXD | |
| 11 | 1 | 466.68750000 | 7K60FXE | |
| 11 | 1 | 466.68750000 | 7K60FXD | |
| 5 | 1 | 467.03750000 | 7K60FXE | |
| 5 | 1 | 467.03750000 | 7K60FXD | |
| 13 | 1 | 467.40000000 | 7K60FXD | |
| 13 | 1 | 467.40000000 | 7K60FXE | |
| 9 | 1 | 468.33750000 | 7K60FXD | |
| 9 | 1 | 468.33750000 | 7K60FXE | |
| 7 | 1 | 468.43750000 | 7K60FXD | |
| 7 | 1 | 468.43750000 | 7K60FXE | |
| 11 | 1 | 468.78750000 | 7K60FXE | |
| 11 | 1 | 468.78750000 | 7K60FXD | |
| 3 | 1 | 469.33750000 | 11K2F3E | |
| 13 | 1 | 469.41250000 | 7K60FXD | |
| 13 | 1 | 469.41250000 | 7K60FXE | |
| 1 | 1 | 469.56250000 | 11K2F3E | |
| 1 | 1 | 469.86250000 | 11K2F3E | |
| 7 | 1 | 469.96250000 | 7K60FXE | |
| 7 | 1 | 469.96250000 | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | MIDDLESEX, MA | 42.59591667, -71.20227778 | ||||
| 2 | T | 250 NORTH ROAD, CHELMSFORD, MIDDLESEX, MA | 42.59591667, -71.20227778 | 42.600 m | BANT | 9.100 m structure / 12.400 m overall | N |
| 3 | T | N | |||||
| 4 | T | 250 North Road, Chelmsford, MIDDLESEX, MA | 42.61888889, -71.36722222 | 43.000 m | B | 7.600 m structure / 7.600 m overall | N |
| 5 | T | N | |||||
| 6 | T | 200 Richardson Road, North Chelmsford, MIDDLESEX, MA | 42.62138889, -71.37555556 | 41.000 m | BANT | 12.200 m structure / 15.200 m overall | N |
| 7 | T | N | |||||
| 8 | T | 230 North Road, Chelmsford, MIDDLESEX, MA | 42.61722222, -71.36527778 | 45.000 m | B | 6.100 m structure / 6.100 m overall | N |
| 9 | T | N | |||||
| 10 | T | 75 Graniteville Road, Chelmsford, MIDDLESEX, MA | 42.61833333, -71.38333333 | 45.000 m | B | 9.100 m structure / 9.100 m overall | N |
| 11 | T | N | |||||
| 12 | T | 25 Maple Road, Chelmsford, MIDDLESEX, MA | 42.57277778, -71.38250000 | 63.000 m | BANT | 10.700 m structure / 13.700 m overall | N |
| 13 | T | N | |||||
| 14 | T | Chelmsford, MIDDLESEX, MA | 42.61888889, -71.36722222 | N | |||
| 15 | T | North Chelmsford, MIDDLESEX, MA | 42.62138889, -71.37555556 | N | |||
| 16 | T | Chelmsford, MIDDLESEX, MA | 42.61722222, -71.36527778 | N | |||
| 17 | T | Chelmsford, MIDDLESEX, MA | 42.61833333, -71.38333333 | N | |||
| 18 | T | Chelmsford, MIDDLESEX, MA | 42.57277778, -71.38250000 | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | |||||||
| 1 | 2 | T | 12.400 m | 17.000 | |||||
| 1 | 3 | T | |||||||
| 1 | 4 | T | 7.600 m | 9.500 | |||||
| 1 | 5 | T | |||||||
| 1 | 6 | T | 15.200 m | -4.400 | |||||
| 1 | 7 | T | |||||||
| 1 | 8 | T | 6.100 m | -8.100 | |||||
| 1 | 9 | T | |||||||
| 1 | 10 | T | 9.100 m | -10.300 | |||||
| 1 | 11 | T | |||||||
| 1 | 12 | T | 13.700 m | 19.900 | |||||
| 1 | 13 | T | |||||||
| 1 | 14 | T | |||||||
| 1 | 15 | T | |||||||
| 1 | 16 | T | |||||||
| 1 | 17 | T | |||||||
| 1 | 18 | T |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 250 NORTH RD, CHELMSFORD, MA | MIDDLESEX | 9782515122 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2025-01-28 | KD53486 | LETCNS |
| 2025-01-23 | KD53486 | LIREN |
| 2025-01-03 | KD53486 | ESURNW |
| 2024-12-04 | KD53486 | ESURNW |
| 2024-11-11 | KD53486 | LETRES |
| 2024-11-04 | KD53486 | ESURNW |
| 2024-05-01 | KD53486 | LIMOD |
| 2015-06-23 | KD53486 | LIMOD |
| 2015-01-06 | KD53486 | LIREN |
| 2015-01-06 | KD53486 | LTSAPR |
| 2014-11-10 | KD53486 | LETRES |
| 2014-07-01 | KD53486 | LIMOD |
| 2004-12-03 | KD53486 | LTSAPR |
| 2004-12-03 | KD53486 | LIREN |
| 2004-11-08 | KD53486 | LETRES |
| 2001-10-15 | KD53486 | AUDOPR |
| 2000-11-22 | KD53486 | LICCNV |
| 1999-12-20 | KD53486 | LIREN |
| 1999-12-20 | KD53486 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 1608467 | 2026-08-02 01:25:22 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | KD53486 | ULS 1608467 | 2026-08-02 01:25:22 |
| Status | A | ULS 1608467 | 2026-08-02 01:25:22 |
| Service | IG | ULS 1608467 | 2026-08-02 01:25:22 |
| Grant Date | 2025-01-23 | ULS 1608467 | 2026-08-02 01:25:22 |
| Expiration Date | 2035-02-02 | ULS 1608467 | 2026-08-02 01:25:22 |