Universal Licensing System
KNBU933
HEIDER CONSTRUCTION INC
License details
| ULS identifier | 1616422 |
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| Call sign | KNBU933 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2003-06-20 |
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| Expiration | 2013-05-24 |
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| Cancellation | 2013-07-27 |
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| Frequency range | 43 MHz |
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| Locations | 2 |
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| Representative location | TEWKSBURY, MIDDLESEX, MA |
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| Coordinates | 42.6134167, -71.2867222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:08 |
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Licensee
| Name | HEIDER CONSTRUCTION INC |
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| Applicant type | C |
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| FRN | 0009011404 |
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| Location | TEWKSBURY, MA |
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| Address | 396 WOBURN ST, TEWKSBURY, MA, 01876 |
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| Phone | 5088512652 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 43.00000000 | | | 100.000000 | 100.000000 | |
| 2 | 1 | MO | 43.00000000 | | | 100.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 43.00000000 | | 20K0F3E |
| 2 | 1 | 43.00000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 400 WOBURN ST, TEWKSBURY, MIDDLESEX, MA | 42.61341667, -71.28672222 | 38.000 m | | 15.000 m structure / 15.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 396 WOBURN ST, TEWKSBURY, MA | | 5088512652 |
License history
| Date | File or call sign | Action |
|---|
| 2013-07-27 | KNBU933 | LIEXP |
| 2013-02-25 | KNBU933 | LETRES |
| 2003-06-20 | KNBU933 | LIREN |
| 2003-03-03 | KNBU933 | LETRES |
| 2001-09-28 | KNBU933 | AUDOPR |
| 2000-11-22 | KNBU933 | LICCNV |
| 1998-05-27 | KNBU933 | AUTHPR |
| 1998-05-27 | KNBU933 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1616422 | 2026-08-02 01:16:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNBU933 | ULS 1616422 | 2026-08-02 01:16:08 |
| Status | E | ULS 1616422 | 2026-08-02 01:16:08 |
| Service | IG | ULS 1616422 | 2026-08-02 01:16:08 |
| Grant Date | 2003-06-20 | ULS 1616422 | 2026-08-02 01:16:08 |
| Expiration Date | 2013-05-24 | ULS 1616422 | 2026-08-02 01:16:08 |
| Cancellation Date | 2013-07-27 | ULS 1616422 | 2026-08-02 01:16:08 |