GB7ZP 70cm D-Star

GB7ZP was first licensed in Sept-2008 to support D-Star Digital Voice activity in central Essex. Formerly based at the qth of Clive G1EUC in Danbury, it is now based in the Chelmsford area with MB7IDA.

Status: RF On - Gateway online

Frequency Input 430.4875 MHz, Output 439.4875 MHz   (DVU39)
Transceiver Icom RP4000V and RP2C Logic Controller
Power 25W erp
Antenna Diamond X300 vertical
NGR TL 730 039
Locator JO01GQ
Coverage Map GB7ZP

Gateway users should ensure they are registered for the G2/G3 network.
Icom UK offer assistance for this - Click Here for Registration

  • Radio Programming/ICF Files: Icom UK Downloads

    D-Star Guide: A quick one pager on D-Star -

    ZP Quick Links:
    Sync Status Dashboard Last Heard


  • Sync Status: All
  • Dashboard: Web, Text
  • Others: GB7TE, GB7CH
  • DPlus Reflectors: REF001, REF006, REF030, Full List

    The ERG Gallery has pictures of the System units, Duplexer, Logic and Gateway


  • System is awaiting site access/maintenance to address coverage/antenna issues
  • GB7ZP runs Icom G3 software, following Gateway hardware and software upgrades in July 2019.
  • Users are free to connect to reflectors - connections are reset at 4am each day
  • Dashboard updated to new subdomain and SSL using LetsEncrypt in Dec-2020