TMRA Information Booklet
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W8HHF FM Repeaters (All 103.5PL): 53.110- | 147.270+ | 224.140- | 442.850+ | 927.025- (131.8PL)
W8HHF 147.270+ Downtown Remote Receiver Use (250.3 PL) instead of (103.5 PL)
W8HHF D-Star: 442.750+ | W8HHF C4FM w/Wires-X: 146.835- (Status) | APRS Digipeater/IGate: 144.390 | WinLink: 145.050
Live Streams: 147.270 FM
Current Repeater Status: All Repeaters are Operational

TMRA D-Star Information

Need information or help with using D-STAR? Check this out! (4MB PDF)
D-STAR for Dummies (V4)

1. Voice ID and ask if the repeater is in use before doing any linking and/or unlinking.
2. The D-STAR repeater is to remain unlinked when not in use: this means, do not link it and then leave the repeater without unlinking it.
3. Linking the repeater is to be done with the sole purpose of making a contact: no linking just to hear the repeater - it is not a scanner. Link the repeater, make your call, and when done, unlink it.
4. Membership in TMRA is NOT required to link or unlink the repeater.
5. TMRA members have priority over non-members for linking and unlinking.
6. Amateur internet gateway users are limited to only one device connected to gateway server at a time: that is one device per call sign, DV Dongle or DVAP or Hotspot.
7. The D-STAR Committee and the TMRA Executive Committee reserve the right to restrict access to the repeater in the case of repeated failures to respect and follow the policies and rules stated above.

If you're not currently registered on the D-Star network, you must first register!
  • To determine if you're registered on the D-Star network, please use this link.
    • Type in your call sign and hit the SUBMIT button.
    • If it says No Registration! then you are NOT registered on the D-Star network!
    • If it says Registration OK then you ARE registered on the D-Star network and DO NOT NEED to register with our repeater.

  • To register with the TMRA W8HHF D-Star gateway please follow these instructions!
    • TMRA D-Star Gateway Registration Link

  • Remember that registration is a TWO-STEP process, ensure that you've completely followed the instructions!
  • If you are having issues, please verify that you've fully registered by following the instructions in the top-most bullet point above. If it says No Registration! after looking up your call sign then you have NOT fully completed the registration process!!!
  • If you have followed the above process fully and still have issues, please e-mail the .

  • RF Radios:
    • Frequency: 442.750+
    • R1/RPT1: W8HHF B (This is our 440 RF node)
    • R2/RPT2: W8HHF G (This is our Internet gateway)
  • DV-Dongle / DV-Access Point (DVAP)
    • Use W8HHF B or W8HHF C


The system uses the traditional ICOM D-Plus commands...Remember the control code goes in the last position when issuing commands, so you may have to query the system to see if (or even how) the system is linked up. Some commands (with samples) are listed below.
        D-Plus Commands 
        Link =   "aaabbbcL"
            where aaa = "REF" - for reflector
            where bbb = "030" - for reflector number (030 is out of the Atlanta, GA area)
            where c = "C" for the 2 meter port on the reflector
        Unlink = "       U"
        Info =   "       I"
        Echo =   "       E"
        Normal QSO = "CQCQCQCQ"
Other linking commands remain the same, but you'll want to un-link from a linked repeater or reflector if it is linked up and not being used (just listen first as usual).
D-STAR Links:
  • Helpful info:
    • 174 slide powerpoint presentation (in PDF format).
    • Helpful reflector linking information.
    • Newbies Guide to D-STAR
    • DSTAR for the non-DSTAR Ham

  • D-Star Users Website
    • Front page shows most recent D-Star users!
    • Also has a great Google Maps-based visual/interactive map of D-Star repeaters.

  • D-Star Info Website
    • Front page lists newly installed D-Star repeaters, recently updated repeaters, and links to newest versions of D-Star related software..
    • D-Star Reflector List
    • D-Star Nets List
    • Another Google Maps-based visual/interactive map of D-Star repeaters. Also shows non-Internet linked (i.e., standalone) D-Star repeaters.

  • D-RATS Website
    • Great software for transferring data using D-Star...
      • E-Mail
      • Instant Messaging
      • File Transfer
      • GPS Mapping
      • Useful for EmComm groups
    • Works on Windows, Linux, & Mac!!!
    • The TMRA runs our own "Ratflector" (D-RATS Reflector):
      • Via Internet:
        • Type: Network
        • Host:
        • Port: 9000
        • Password: NONE
      • Via 440 Packet/TNC over RF
        • Type: TNC
        • Packet Speed: 1200
        • Freq: 441.050Mhz (Simplex, no PL)

  • DV-Dongle Website
    • DV-Dongle Yahoo Users Group - Good for tech support issues.

  • DV-Access Point Website
    • DV-Access Point Yahoo Users Group - Good for tech support issues.

  • CHIRP Website
    • Free software, runs on Windows & Linux, for radio memory channel programming.


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