Universal Licensing System
WRMI257
Essex Telcom, Inc.
License details
| ULS identifier | 4435539 |
|---|
| Call sign | WRMI257 |
|---|
| Radio service | CF |
|---|
| Status | A |
|---|
| Grant date | 2021-04-13 |
|---|
| Expiration | 2031-04-13 |
|---|
| Frequency range | 19540 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | Harvard, MCHENRY, IL |
|---|
| Coordinates | 42.3592222, -88.6194167 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-17 04:26:03 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 19540.00000000 | | | | | |
| 1 | 1 | FXO | 19540.00000000 | | | | | |
| 1 | 1 | FXO | 19540.00000000 | | | | | |
| 1 | 1 | FXO | 19540.00000000 | | | | | |
| 1 | 1 | FXO | 19540.00000000 | | | | | |
| 1 | 1 | FXO | 19540.00000000 | | | | | |
| 1 | 1 | FXO | 19540.00000000 | | | | | |
| 1 | 1 | FXO | 19540.00000000 | | | | | |
| 1 | 1 | FXO | 19540.00000000 | | | | | |
| 1 | 1 | FXO | 19540.00000000 | | | | | |
| 1 | 1 | FXO | 19540.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 19540.00000000 | | 80M0G7W |
| 1 | 1 | 19540.00000000 | | 80M0D7W |
| 1 | 1 | 19540.00000000 | | 80M0D7W |
| 1 | 1 | 19540.00000000 | | 80M0D7W |
| 1 | 1 | 19540.00000000 | | 80M0D7W |
| 1 | 1 | 19540.00000000 | | 80M0D7W |
| 1 | 1 | 19540.00000000 | | 80M0D7W |
| 1 | 1 | 19540.00000000 | | 80M0D7W |
| 1 | 1 | 19540.00000000 | | 80M0D7W |
| 1 | 1 | 19540.00000000 | | 80M0D7W |
| 1 | 1 | 19540.00000000 | | 80M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2213 Rt 23, Harvard, MCHENRY, IL | 42.35922222, -88.61941667 | 267.800 m | SILO | 36.600 m structure / 42.700 m overall | |
| 2 | R | | 42.34136111, -88.67569444 | 261.300 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RADIO WAVES, INC HP2-18 | | V | 38.6000 | 246.9000 | | |
| 1 | 2 | R | RADIO WAVES, INC HP2-18 | | | 38.6000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2023-02-01 | WRMI257 | LITRAN |
| 2021-04-13 | WRMI257 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4435539 | 2026-08-17 04:26:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRMI257 | ULS 4435539 | 2026-08-17 04:26:03 |
| Status | A | ULS 4435539 | 2026-08-17 04:26:03 |
| Service | CF | ULS 4435539 | 2026-08-17 04:26:03 |
| Grant Date | 2021-04-13 | ULS 4435539 | 2026-08-17 04:26:03 |
| Expiration Date | 2031-04-13 | ULS 4435539 | 2026-08-17 04:26:03 |