Universal Licensing System
KNBP838
CONCORD, TOWN OF
License details
| ULS identifier | 1181971 |
|---|
| Call sign | KNBP838 |
|---|
| Radio service | PW |
|---|
| Status | E |
|---|
| Grant date | 2011-04-29 |
|---|
| Expiration | 2021-06-03 |
|---|
| Cancellation | 2021-08-07 |
|---|
| Frequency range | 33.66 - 453.3625 MHz (5 frequencies) |
|---|
| Locations | 1 |
|---|
| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:09:03 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 33.66000000 | | | 100.000000 | 98.000000 | |
| 3 | 1 | MO | 33.66000000 | | | 100.000000 | 100.000000 | |
| 1 | 1 | FB | 33.98000000 | | | 100.000000 | 98.000000 | |
| 3 | 1 | MO | 33.98000000 | | | 100.000000 | 100.000000 | |
| 1 | 1 | FB | 46.40000000 | | | 100.000000 | 98.000000 | |
| 2 | 1 | FB | 46.40000000 | | | 100.000000 | 98.000000 | |
| 3 | 1 | MO | 46.40000000 | | | 100.000000 | 100.000000 | |
| 1 | 1 | FB | 46.50000000 | | | 100.000000 | 98.000000 | |
| 2 | 1 | FB | 46.50000000 | | | 100.000000 | 98.000000 | |
| 3 | 1 | MO | 46.50000000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | MO | 453.36250000 | | | 2.000000 | 6.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 33.66000000 | | 20K0F3E |
| 3 | 1 | 33.66000000 | | 20K0F3E |
| 1 | 1 | 33.98000000 | | 20K0F3E |
| 3 | 1 | 33.98000000 | | 20K0F3E |
| 1 | 1 | 46.40000000 | | 20K0F3E |
| 2 | 1 | 46.40000000 | | 20K0F3E |
| 3 | 1 | 46.40000000 | | 20K0F3E |
| 1 | 1 | 46.50000000 | | 20K0F3E |
| 2 | 1 | 46.50000000 | | 20K0F3E |
| 3 | 1 | 46.50000000 | | 20K0F3E |
| 4 | 1 | 453.36250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 209 WALDEN ST, CONCORD, MIDDLESEX, MA | 42.45897222, -71.34894444 | 40.000 m | BANT | 15.000 m structure / 18.000 m overall | N |
| 2 | T | ANNURSNAC HILL RESERVOIR, CONCORD, MIDDLESEX, MA | 42.45397222, -71.38838889 | 111.000 m | B | 24.000 m structure / 24.000 m overall | N |
| 3 | T | | | | | | N |
| 4 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 18.000 m | | | | -1.200 | |
| 1 | 2 | T | | 24.000 m | | | | 70.700 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 209 WALDEN ST, CONCORD, MA | MIDDLESEX | 5083694054 |
License history
| Date | File or call sign | Action |
|---|
| 2021-08-07 | KNBP838 | LIEXP |
| 2021-05-24 | KNBP838 | ESURNW |
| 2021-05-04 | KNBP838 | ESURNW |
| 2021-04-04 | KNBP838 | ESURNW |
| 2021-03-08 | KNBP838 | LETRES |
| 2021-03-05 | KNBP838 | ESURNW |
| 2011-04-29 | KNBP838 | LIREN |
| 2011-04-28 | KNBP838 | ESCAPR |
| 2011-03-07 | KNBP838 | LETRES |
| 2010-02-05 | KNBP838 | LIAUA |
| 2010-02-04 | KNBP838 | ESCAPR |
| 2009-11-10 | KNBP838 | LETCNS |
| 2009-02-06 | KNBP838 | LIMOD |
| 2001-09-24 | KNBP838 | AUDOPR |
| 2001-08-08 | KNBP838 | LIREN |
| 2001-03-12 | KNBP838 | LETRES |
| 2000-10-19 | KNBP838 | LICCNV |
| 1996-03-22 | KNBP838 | LIREN |
| 1996-03-22 | KNBP838 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1181971 | 2026-08-02 01:09:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNBP838 | ULS 1181971 | 2026-08-02 01:09:03 |
| Status | E | ULS 1181971 | 2026-08-02 01:09:03 |
| Service | PW | ULS 1181971 | 2026-08-02 01:09:03 |
| Grant Date | 2011-04-29 | ULS 1181971 | 2026-08-02 01:09:03 |
| Expiration Date | 2021-06-03 | ULS 1181971 | 2026-08-02 01:09:03 |
| Cancellation Date | 2021-08-07 | ULS 1181971 | 2026-08-02 01:09:03 |