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General Info
Call Sign: WRTC331 ULS File Number: 0010066926
Radio Service: TV Intercity Relay License Status: Active
Granted: 06/01/2022 Expires: 04/01/2030
Certifier: Paul R. Bossert Certifier Title: President
FCC Web Link:   WRTC331 License Data  
Licensee and Contact Information
Licensee or Assignee
MAINSTREET BROADCASTING COMPANY, INC.
516 MAIN STREET
WALSENBURG, CO 81089
Phone: (719) 738-3636
Fax: (719) 466-7148
E-Mail: paul@kspk.com
FRN: 0003714938
Licensee Contact
Mainstreet Broadcasting Company, Inc.
516 Main Street
Walsenburg, CO 81089
Attn: Paul . Bossert
Phone: (719) 738-3636
Fax: (719) 466-7148
E-Mail: paul@kspk.com
Associated Broadcast
Station Information
Parent Facility ID: 125217
Parent Callsign: KSBK-LD
Broadcast City: WALSENBURG, CO
Path 1 Info
Transmit Location 1
San Antonio Mtn

Name: San Antonio Mtn
Location Type: Fixed
Address: San Antonio Mtn
Tres Piedras, NM
Structure: Lattice Tower
Ground Elevation: 3338 m
Structure Height: 18.3 m
Overall Structure Height: 24.5 m
Latitude: 36-51-34.0 N. (NAD 83)
Longitude: 106-01-03.0 W. (NAD 83)

San Antonio Mtn - Antenna 1
Antenna Mfgr: Radio Frequency Systems
Antenna Model: PAD6-65
Antenna Height: 18.3 m.
Antenna Elevation Angle (tilt): -1.2 °
Polarization: V
Antenna Beamwidth: 1.9 °
Azimuth: 10.0 °
Antenna Gain: 38.0 dB
Freq 1 Lower: 6887.500000 MHz
Freq 1 EIRP: 65.8 dBm
Freq 1 Emission: 25M0F8W
Transmitter Manufacturer: Microwave Associates
Transmitter Model: MA6G
Station Class: Operational Fixed
Constructed: 09/26/2022
Receive Location 2
Alamosa Site

Name: Alamosa Site
Location Type: Fixed
Ground Elevation: 2312 m
Latitude: 37-28-26.0 N. (NAD 83)
Longitude: 105-52-51.0 W. (NAD 83)

Alamosa Site - Antenna 1
Antenna Mfgr: Gabriel
Antenna Model: DD6-64DSE
Antenna Height: 16.2 m.
Antenna Beamwidth: 1.9 °
Antenna Gain: 37.8 dB

Study Date: 5/01/2025; Study Duration: 0.2983 Seconds.
Database Sources:
05/01/2025 FCC LMS,
4/29/2025 FCC ASR,
4/29/2025 FCC ULS Microwave, and
4/29/2025 FCC ULS Broadcast Land Mobile.



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