Universal Licensing System
KB6104
MADDEN, BRIAN DBA COLUMBIA UNIVERSITY TEACHERS COLLEGE
License details
| ULS identifier | 1593357 |
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| Call sign | KB6104 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2000-07-19 |
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| Expiration | 2005-07-31 |
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| Cancellation | 2006-01-07 |
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| Frequency range | 475.9375 MHz |
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| Locations | 1 |
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| Representative location | NEW YORK, NY |
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| Coordinates | 40.8095556, -73.0926111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:15 |
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Licensee
| Name | MADDEN, BRIAN DBA COLUMBIA UNIVERSITY TEACHERS COLLEGE |
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| Applicant type | C |
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| FRN | 0003478476 |
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| Location | NEW YORK, NY |
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| Address | 525 W 120TH ST, NEW YORK, NY, 10027 |
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| Phone | 2126783335 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 2 | 1 | MO | 475.93750000 | | | 5.000000 | 10.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 2 | 1 | 475.93750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 2 | T | NEW YORK, NY | 40.80955556, -73.09261111 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 525 W 120TH ST, NEW YORK, NY | | 2126783335 |
License history
| Date | File or call sign | Action |
|---|
| 2006-01-07 | KB6104 | LIEXP |
| 2005-05-03 | KB6104 | LETRES |
| 2001-10-15 | KB6104 | AUDOPR |
| 2000-11-22 | KB6104 | LICCNV |
| 2000-07-19 | KB6104 | AUTHPR |
| 2000-07-19 | KB6104 | LIREN |
| 2000-05-08 | KB6104 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1593357 | 2026-08-02 01:13:15 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KB6104 | ULS 1593357 | 2026-08-02 01:13:15 |
| Status | E | ULS 1593357 | 2026-08-02 01:13:15 |
| Service | IG | ULS 1593357 | 2026-08-02 01:13:15 |
| Grant Date | 2000-07-19 | ULS 1593357 | 2026-08-02 01:13:15 |
| Expiration Date | 2005-07-31 | ULS 1593357 | 2026-08-02 01:13:15 |
| Cancellation Date | 2006-01-07 | ULS 1593357 | 2026-08-02 01:13:15 |