Universal Licensing System
KDM642
City of Groton Dept of Utilities
License details
| ULS identifier | 1882271 |
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| Call sign | KDM642 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2015-03-21 |
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| Expiration | 2025-03-20 |
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| Cancellation | 2025-05-24 |
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| Frequency range | 48.3 - 48.32 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | GROTON, NEW LONDON, CT |
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| Coordinates | 41.4092778, -72.0434167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:18:20 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 48.30000000 | | | 60.000000 | 40.000000 | |
| 1 | 1 | FB | 48.32000000 | | | 60.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 48.30000000 | | 20K0F3E |
| 1 | 1 | 48.32000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BUDDINGTON SUBSTATION RT 184 AT BUDDINGTON RD, GROTON, NEW LONDON, CT | 41.40927778, -72.04341667 | 15.000 m | POLE | 12.000 m structure / 12.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 18.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | BUDDINGTON SUBSTATION RT 184 AT BUDDINGTON RD, GROTON, CT | | 2034464060 |
License history
| Date | File or call sign | Action |
|---|
| 2025-05-24 | KDM642 | LIEXP |
| 2024-12-23 | KDM642 | LETRES |
| 2015-03-21 | KDM642 | LIREN |
| 2015-03-10 | KDM642 | ESURNW |
| 2015-02-18 | KDM642 | ESURNW |
| 2015-01-19 | KDM642 | ESURNW |
| 2014-12-22 | KDM642 | LETRES |
| 2014-12-20 | KDM642 | ESURNW |
| 2005-02-16 | KDM642 | LIREN |
| 2005-02-15 | KDM642 | ESCAPR |
| 2004-12-27 | KDM642 | LETRES |
| 2001-10-30 | KDM642 | AUDOPR |
| 2000-11-24 | KDM642 | LICCNV |
| 2000-01-26 | KDM642 | AUTHPR |
| 2000-01-26 | KDM642 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1882271 | 2026-08-02 01:18:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KDM642 | ULS 1882271 | 2026-08-02 01:18:20 |
| Status | E | ULS 1882271 | 2026-08-02 01:18:20 |
| Service | IG | ULS 1882271 | 2026-08-02 01:18:20 |
| Grant Date | 2015-03-21 | ULS 1882271 | 2026-08-02 01:18:20 |
| Expiration Date | 2025-03-20 | ULS 1882271 | 2026-08-02 01:18:20 |
| Cancellation Date | 2025-05-24 | ULS 1882271 | 2026-08-02 01:18:20 |