Universal Licensing System
WDV637
Graybill Electronics, Inc.
License details
| ULS identifier | 1777232 |
|---|
| Call sign | WDV637 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2022-12-07 |
|---|
| Expiration | 2033-03-03 |
|---|
| Frequency range | 461.325 - 466.55 MHz (8 frequencies) |
|---|
| Locations | 5 |
|---|
| Representative location | MONTICELLO, JONES, IA |
|---|
| Coordinates | 42.2386111, -91.1993056 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:17:42 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 461.32500000 | | | 85.000000 | 300.000000 | |
| 4 | 1 | MO | 461.32500000 | | | 85.000000 | | |
| 1 | 1 | FB6 | 461.50000000 | | | 30.000000 | 300.000000 | |
| 4 | 1 | MO | 461.50000000 | | | 85.000000 | | |
| 2 | 1 | FB6 | 461.52500000 | | | 85.000000 | 400.000000 | |
| 5 | 1 | MO | 461.52500000 | | | 35.000000 | | |
| 2 | 1 | FB6 | 461.55000000 | | | 85.000000 | 400.000000 | |
| 5 | 1 | MO | 461.55000000 | | | 35.000000 | | |
| 3 | 1 | FX1 | 466.32500000 | | | 85.000000 | | |
| 4 | 1 | MO | 466.32500000 | | | 85.000000 | | |
| 4 | 1 | MO | 466.50000000 | | | 85.000000 | | |
| 3 | 1 | FX1 | 466.52500000 | | | 30.000000 | | |
| 5 | 1 | MO | 466.52500000 | | | 35.000000 | | |
| 5 | 1 | MO | 466.55000000 | | | 35.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.32500000 | | 11K2F3E |
| 4 | 1 | 461.32500000 | | 11K2F3E |
| 1 | 1 | 461.50000000 | | 11K2F3E |
| 4 | 1 | 461.50000000 | | 11K2F3E |
| 2 | 1 | 461.52500000 | | 11K2F3E |
| 5 | 1 | 461.52500000 | | 11K2F3E |
| 2 | 1 | 461.55000000 | | 11K2F3E |
| 5 | 1 | 461.55000000 | | 11K2F3E |
| 3 | 1 | 466.32500000 | | 11K2F3E |
| 4 | 1 | 466.32500000 | | 11K2F3E |
| 4 | 1 | 466.50000000 | | 11K2F3E |
| 3 | 1 | 466.52500000 | | 11K2F3E |
| 5 | 1 | 466.52500000 | | 11K2F3E |
| 5 | 1 | 466.55000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2 MI NW, MONTICELLO, JONES, IA | 42.23861111, -91.19930556 | 280.000 m | TANK | 37.000 m structure / 43.000 m overall | N |
| 2 | T | HWY 13 S & US 20, MANCHESTER, DELAWARE, IA | 42.46666667, -91.46430556 | 290.000 m | TOWER | 47.000 m structure / 53.000 m overall | N |
| 3 | T | IA | | | | | |
| 4 | T | | | | | | |
| 5 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 43.000 m | | | | 64.000 | |
| 1 | 2 | T | | 53.000 m | | | | 32.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 98 EMMONS ST, HIAWATHA, IA | | 3193935456 |
License history
| Date | File or call sign | Action |
|---|
| 2022-12-07 | WDV637 | LIREN |
| 2022-12-05 | WDV637 | LETRES |
| 2014-11-19 | WDV637 | LIMOD |
| 2012-12-28 | WDV637 | LIREN |
| 2012-12-10 | WDV637 | LETRES |
| 2012-09-07 | WDV637 | LIMOD |
| 2012-09-06 | WDV637 | ESUAPR |
| 2007-05-04 | WDV637 | LIAUA |
| 2007-05-04 | WDV637 | LTSAPR |
| 2007-05-03 | WDV637 | EFCAPR |
| 2007-05-03 | WDV637 | ESCAPR |
| 2002-12-19 | WDV637 | LIREN |
| 2002-12-09 | WDV637 | LETRES |
| 2001-10-16 | WDV637 | AUDOPR |
| 2000-11-23 | WDV637 | LICCNV |
| 1998-03-03 | WDV637 | LIREN |
| 1998-03-03 | WDV637 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1777232 | 2026-08-02 01:17:42 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WDV637 | ULS 1777232 | 2026-08-02 01:17:42 |
| Status | A | ULS 1777232 | 2026-08-02 01:17:42 |
| Service | IG | ULS 1777232 | 2026-08-02 01:17:42 |
| Grant Date | 2022-12-07 | ULS 1777232 | 2026-08-02 01:17:42 |
| Expiration Date | 2033-03-03 | ULS 1777232 | 2026-08-02 01:17:42 |