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Western Colorado Amateur Radio Club, Inc.

Data Communications in the Grand Valley

The following Link Provides a Listing of Data Frequencies, Winlink Gateways, and Data Repeaters.  Western Colorado Data Freq Listing

Below are some tips to using the various data models:

  1. W0RRZ Digipeater on Blackridge that can be used to connect to area Winlink Gateways.
    • 2 club members have Winlink gateways (AE0WZ-10 & K0DZ-10) operating 24/7 on this frequency 
    • See link above for details and frequencies.
  2. N2KNK Data Repeater on Blackridge
    • This Data Repeater is simply an Analog repeater with no tone that the club operates for Amateur Radio Operators to experiment with Data Modes across the area.  It is also available for MCARES training and support of local emergencies. 
      • Feel free to experiment on it.
      • You can use it for limited FM audio while experimenting with digital modes.  We ask that you only use FM Audio while communicating with other operators experimenting with Digital Modes on the repeater. 
    • 2 club members have Winlink gateways (AE0WZ-10 & K0DZ-10) operating 24/7 on this frequency 
    • See link above for details and frequencies.
  3. Ways to test your Soundcard modes software over the 447.875- N2KNK Data Repeater:
    • To test your VaraFM station, go to your VaraFM modem and ping AE0WZ-10, or K0DZ-10.  You should receive a response.
      • It is possible that a Winlink Gateway may be offline, so try another if the first does not respond.
      • If you’re using the W0RRZ Digipeater, be sure in VaraFM to select Digipeater, the Winlink Gateway (either AE0WZ-10 or K0DZ-10), via W0RRZ.
      • If you’re using the N2KNK Data Repeater, be sure in VaraFM to select Direct and the Winlink Gateway (either AE0WZ-10 or K0DZ-10).
    • To test your FLDigi Station, using any mode (BPSK125 suggested), in the blue window of FLDigi type:

     DE (your callsign)

     PING WØRRZ      <—-(W”zero”RRZ)

     ^R 

     Then press CTRL-T     

Your FLDigi station should then transmit a short message to the WØRRZ Auto-Responder.   The Auto-Responder should then reply to you.

    • To test your YONIQ or MMSSTV Slow-Scan-Television station, press the 1750 button next to TX which will begin transmitting a tone of 1750 hz.  After two seconds press 1750 again to stop the transmission.  After a brief delay, the KØDZ station should reply in morse.  Within 10 seconds, press the TX button to send your image.   After your image has been transmitted, KØDZ will send your image back to you.

 

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Local Radio Systems

  • Club Repeaters
  • N2KNK – WestCO Repeater System
  • Grand Junction Area Repeaters
  • Data Communications in the Grand Valley

Club Pages

  • WCARC Facebook Page
  • “the RF Carrier” Newsletters
  • Club Nets
  • Club Member Businesses
  • Club Sponsors
  • 2026 Donut Sign Up Roster
  • Beginners Guide to Repeaters
  • City Market Community Rewards Program
  • DXCC Field Checking
  • Silent Keys
  • Tailgate Deals

WCARC Reference Documents

  • DMR Tips
  • Grand Valley AREDN Resources

Information on Licensing

  • ARRL – Getting Licensed
  • Taking your Exam & Getting Licensed through WCARC
  • Instruction for Downloading your License
  • FCC Commission Registration System (CORES)
  • License Renewal Process
  • Becoming an ARRL Volunteer Examiner with WCARC
  • FCC Requires That FRN Contact Information Be Updated Within Ten Days of a Change

Related Sites – Information

  • DX, Contesting & Events
    • DX Summit
    • Grand Mesa Contesters
  • Learning & Instruction
    • AA9PW Morse Code & Practice Exams
    • ARRL Books and Manuals
    • Phonetic Alphabet – Standard ( ITU )
  • Reference Sites
    • ARES Mesa County CO – Region 9 District 4
    • ARRL – American Radio Relay League
    • Colorado ARES
    • QRZ.COM
    • Radio Amateur Civil Emergency Services
    • RF Safety Calculator
  • Weather
    • Grand Junction Weather
    • Solar Ham
    • Space Weather

Maximum Usable Frequency (MUF)


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