{"id":210,"date":"2025-10-23T19:34:54","date_gmt":"2025-10-23T19:34:54","guid":{"rendered":"http:\/\/storage.tduknet.co.uk\/?page_id=210"},"modified":"2026-02-04T20:55:56","modified_gmt":"2026-02-04T20:55:56","slug":"summary","status":"publish","type":"page","link":"http:\/\/repeater.tduknet.co.uk\/index.php\/summary\/","title":{"rendered":"Summary"},"content":{"rendered":"

TDUKNET Repeater Group (TDUKRP) \u2014 Technical Overview<\/h1>\n
\n1. Network Overview<\/strong><\/summary>\n

Gateway System:<\/strong>
\n TDUKRP uses Zello<\/strong> as its primary gateway link, compatible across Windows, iOS, and Android.
\n For detailed information, visit the Gateways & Repeater Links<\/a> page.<\/p>\n

Remote Connectivity:<\/strong>
\n Repeaters and online gateways provide network access both locally and remotely, enabling authorized connectivity worldwide via the internet.<\/p>\n<\/details>\n

\n2. System Investment and Reliability<\/strong><\/summary>\n

Significant investments have been made to ensure continuity of critical communications.<\/p>\n

    \n
  • Uninterruptible Power Supplies (UPS)<\/li>\n
  • Battery-backed solutions at hosting facilities<\/li>\n<\/ul>\n

    These enhancements maintain reliable operation and support emergency communications during power interruptions.<\/p>\n<\/details>\n

    \n3. Gateway Infrastructure<\/strong><\/summary>\n
      \n
    • Hourly Station ID:<\/strong> Performed on the primary VHF repeater<\/li>\n
    • Internet Gateway:<\/strong> Facilitates online connectivity<\/li>\n
    • Hardware:<\/strong> Repurposed legacy systems including a Dell Latitude 2120 notebook paired with a Baofeng UV-5R radio<\/li>\n<\/ul>\n<\/details>\n
      \n4. Repeater Interconnection<\/strong><\/summary>\n
        \n
      • Technology:<\/strong> Raspberry Pi 3 B+ devices linked via AllStar Link<\/li>\n
      • Status:<\/strong> Currently in testing; not yet operational<\/li>\n
      • Future:<\/strong> Once the UHF repeater is relocated, native transmission and reception across both repeaters will be possible<\/li>\n<\/ul>\n<\/details>\n
        \n5. UHF Repeater System<\/strong><\/summary>\n
        \n5.1 License & Coverage<\/strong><\/summary>\n
          \n
        • Authorized Area: 30 km radius around Norsworthy Bridge Car Park, Burrator Reservoir, Plymouth, PL20 6PG<\/li>\n
        • Operation Modes: Duplex (repeater) or simplex (point-to-point)<\/li>\n
        • Current Coverage: 2\u20138 miles; several blackspots exist except from elevated locations in Plymouth and Saltash<\/li>\n
        • Future Plans: Relocation to improve coverage<\/li>\n<\/ul>\n<\/details>\n
          \n5.2 Repeater Details<\/strong><\/summary>\n\n\n\n\n\n\n\n\n
          Parameter<\/th>\nSpecification<\/th>\n<\/tr>\n
          Make<\/td>\nYaesu<\/td>\n<\/tr>\n
          Model<\/td>\nVXR-5000<\/td>\n<\/tr>\n
          Output Power<\/td>\n20 Watts ERP<\/td>\n<\/tr>\n
          Gateway \/ Internet VoIP<\/td>\nNone currently<\/td>\n<\/tr>\n
          Antenna<\/td>\nDiamond X300, ~5 m above ground (temporary)<\/td>\n<\/tr>\n
          Additional Info<\/td>\nBoth repeaters share the same antenna using a Comet CF-416 combiner duplexer (on loan)<\/td>\n<\/tr>\n<\/table>\n<\/details>\n
          \n5.3 Frequency Allocation<\/strong><\/summary>\n

          Operates 15 MHz above the top of the amateur 70 cm band<\/p>\n<\/details>\n<\/details>\n

          \n6. VHF Repeater System<\/strong><\/summary>\n
          \n6.1 License & Operation<\/strong><\/summary>\n
            \n
          • Authorized Area: 30 km radius around TDUKRP HQ<\/li>\n
          • Operation Modes: Duplex (repeater) or simplex (point-to-point)<\/li>\n<\/ul>\n<\/details>\n
            \n6.2 Frequency Allocation<\/strong><\/summary>\n
              \n
            • Positioned close to the amateur 2-meter band<\/li>\n
            • Approximately 1 MHz below the top of the 2-meter band<\/li>\n
            • Compliance: Measures are in place to prevent noise or interference with adjacent amateur frequencies<\/li>\n<\/ul>\n<\/details>\n<\/details>\n\n\n

              Transmissions on this network may be recorded for training, safety, system misuse prevention, and licensing compliance. Recordings may be used in internal or external investigations as required by law.
              <\/p>\n\n\n\n

              <\/p>\n","protected":false},"excerpt":{"rendered":"

              TDUKNET Repeater Group (TDUKRP) \u2014 Technical Overview 1. Network Overview Gateway System: TDUKRP uses Zello as its primary gateway link, compatible across Windows, iOS, and Android. For detailed information, visit the Gateways & Repeater Links page. Remote Connectivity: Repeaters and online gateways provide network access both locally and remotely, enabling authorized connectivity worldwide via the…<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-210","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"http:\/\/repeater.tduknet.co.uk\/index.php\/wp-json\/wp\/v2\/pages\/210","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/repeater.tduknet.co.uk\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/repeater.tduknet.co.uk\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/repeater.tduknet.co.uk\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/repeater.tduknet.co.uk\/index.php\/wp-json\/wp\/v2\/comments?post=210"}],"version-history":[{"count":2,"href":"http:\/\/repeater.tduknet.co.uk\/index.php\/wp-json\/wp\/v2\/pages\/210\/revisions"}],"predecessor-version":[{"id":308,"href":"http:\/\/repeater.tduknet.co.uk\/index.php\/wp-json\/wp\/v2\/pages\/210\/revisions\/308"}],"wp:attachment":[{"href":"http:\/\/repeater.tduknet.co.uk\/index.php\/wp-json\/wp\/v2\/media?parent=210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}