Universal Licensing System
KNO684
A D F COMMUNICATIONS CO INC
License details
| ULS identifier | 1636215 |
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| Call sign | KNO684 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2023-04-12 |
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| Expiration | 2033-03-26 |
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| Frequency range | 484.9875 - 487.9875 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | ABINGTON, PLYMOUTH, MA |
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| Coordinates | 42.1228889, -71.0014444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:10 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 484.98750000 | | | 100.000000 | 750.000000 | |
| 2 | 1 | MO | 484.98750000 | | | 100.000000 | 200.000000 | |
| 3 | 1 | FX1T | 484.98750000 | | | 100.000000 | 200.000000 | |
| 2 | 1 | MO | 487.98750000 | | | 100.000000 | 200.000000 | |
| 3 | 1 | FX1T | 487.98750000 | | | 100.000000 | 200.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 484.98750000 | | 20K0F3E |
| 2 | 1 | 484.98750000 | | 20K0F3E |
| 3 | 1 | 484.98750000 | | 20K0F3E |
| 2 | 1 | 487.98750000 | | 20K0F3E |
| 3 | 1 | 487.98750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 485 N QUINCY ST, ABINGTON, PLYMOUTH, MA | 42.12288889, -71.00144444 | 72.000 m | | 122.000 m structure / 122.000 m overall | N |
| 2 | T | | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 131.000 m | | | | 163.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 485 N QUINCY ST, ABINGTON, MA | | 6178571100 |
| 2 | 485 NORTH QUINCY STREET, ABINGTON, MA | PLYMOUTH | 7818571100 |
License history
| Date | File or call sign | Action |
|---|
| 2023-04-12 | KNO684 | LIREN |
| 2013-03-21 | KNO684 | LIREN |
| 2013-03-20 | KNO684 | ESCAPR |
| 2012-12-31 | KNO684 | LETRES |
| 2003-04-23 | KNO684 | LIREN |
| 2002-12-30 | KNO684 | LETRES |
| 2002-03-06 | KNO684 | AUDOPR |
| 2000-11-23 | KNO684 | LICCNV |
| 1998-02-26 | KNO684 | LIREN |
| 1998-02-26 | KNO684 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1636215 | 2026-08-02 01:14:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNO684 | ULS 1636215 | 2026-08-02 01:14:10 |
| Status | A | ULS 1636215 | 2026-08-02 01:14:10 |
| Service | IG | ULS 1636215 | 2026-08-02 01:14:10 |
| Grant Date | 2023-04-12 | ULS 1636215 | 2026-08-02 01:14:10 |
| Expiration Date | 2033-03-26 | ULS 1636215 | 2026-08-02 01:14:10 |