Universal Licensing System
KZU689
COMMERCIAL ELECTRONIC SERVICES INC
License details
| ULS identifier | 1643713 |
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| Call sign | KZU689 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2003-08-27 |
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| Expiration | 2013-08-05 |
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| Cancellation | 2013-10-05 |
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| Frequency range | 461.075 - 466.925 MHz (6 frequencies) |
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| Locations | 4 |
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| Representative location | LEONARDTOWN, ST. MARY'S, MD |
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| Coordinates | 38.3204167, -76.6691389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:30 |
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Licensee
| Name | COMMERCIAL ELECTRONIC SERVICES INC |
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| Applicant type | C |
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| FRN | 0009480997 |
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| Location | WALDORF, MD |
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| Address | 3225 OLD WASHINGTON RD, WALDORF, MD, 20602 |
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| Phone | 3018438944 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 461.07500000 | | | 75.000000 | 120.000000 | |
| 1 | 1 | FB6 | 461.42500000 | | | 75.000000 | 120.000000 | |
| 1 | 1 | FB6 | 461.92500000 | | | 75.000000 | 120.000000 | |
| 2 | 1 | FX1 | 466.07500000 | | | 15.000000 | | |
| 3 | 1 | MO | 466.07500000 | | | 35.000000 | | |
| 4 | 1 | MO | 466.07500000 | | | 35.000000 | | |
| 2 | 1 | FX1 | 466.42500000 | | | 15.000000 | | |
| 3 | 1 | MO | 466.42500000 | | | 35.000000 | | |
| 4 | 1 | MO | 466.42500000 | | | 35.000000 | | |
| 2 | 1 | FX1 | 466.92500000 | | | 15.000000 | | |
| 3 | 1 | MO | 466.92500000 | | | 35.000000 | | |
| 4 | 1 | MO | 466.92500000 | | | 35.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.07500000 | | 16K0F3E |
| 1 | 1 | 461.42500000 | | 16K0F3E |
| 1 | 1 | 461.92500000 | | 16K0F3E |
| 2 | 1 | 466.07500000 | | 16K0F3E |
| 3 | 1 | 466.07500000 | | 16K0F3E |
| 4 | 1 | 466.07500000 | | 16K0F3E |
| 2 | 1 | 466.42500000 | | 16K0F3E |
| 3 | 1 | 466.42500000 | | 16K0F3E |
| 4 | 1 | 466.42500000 | | 16K0F3E |
| 2 | 1 | 466.92500000 | | 16K0F3E |
| 3 | 1 | 466.92500000 | | 16K0F3E |
| 4 | 1 | 466.92500000 | | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | FORMER WKIK BROADCAST STA INT OF MD RT 5 AND MD RT 234, LEONARDTOWN, ST. MARY'S, MD | 38.32041667, -76.66913889 | 26.000 m | TOWER | 84.000 m structure | N |
| 2 | T | MD | | | | | |
| 3 | T | ST. MARY'S, MD | 38.32041667, -76.66913889 | | | | |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 81.000 m | | | | 89.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 3225 OLD WASHINGTON RD, WALDORF, MD | | 3018438944 |
License history
| Date | File or call sign | Action |
|---|
| 2013-10-05 | KZU689 | LIEXP |
| 2013-05-13 | KZU689 | LETRES |
| 2003-08-27 | KZU689 | LIREN |
| 2003-05-12 | KZU689 | LETRES |
| 2001-12-13 | KZU689 | AUDOPR |
| 2000-11-23 | KZU689 | LICCNV |
| 1999-02-19 | KZU689 | LIMOD |
| 1999-02-19 | KZU689 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1643713 | 2026-08-02 01:16:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KZU689 | ULS 1643713 | 2026-08-02 01:16:30 |
| Status | E | ULS 1643713 | 2026-08-02 01:16:30 |
| Service | IG | ULS 1643713 | 2026-08-02 01:16:30 |
| Grant Date | 2003-08-27 | ULS 1643713 | 2026-08-02 01:16:30 |
| Expiration Date | 2013-08-05 | ULS 1643713 | 2026-08-02 01:16:30 |
| Cancellation Date | 2013-10-05 | ULS 1643713 | 2026-08-02 01:16:30 |