{"id":19525897,"url":"https://github.com/nitram2342/gr-dcf77-transmitter","last_synced_at":"2025-08-16T23:12:07.141Z","repository":{"id":1138388,"uuid":"1017599","full_name":"nitram2342/gr-dcf77-transmitter","owner":"nitram2342","description":"Gnuradio module for a DCF77 time signal transmitter","archived":false,"fork":false,"pushed_at":"2010-10-23T13:38:36.000Z","size":804,"stargazers_count":23,"open_issues_count":1,"forks_count":8,"subscribers_count":4,"default_branch":"master","last_synced_at":"2025-04-26T10:36:08.444Z","etag":null,"topics":["dcf-encoder","dcf77","gnuradio","transmitter","usrp"],"latest_commit_sha":null,"homepage":"","language":"Shell","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"gpl-2.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/nitram2342.png","metadata":{"files":{"readme":"README","changelog":"ChangeLog","contributing":null,"funding":null,"license":"COPYING","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2010-10-23T13:35:55.000Z","updated_at":"2024-08-12T19:19:33.000Z","dependencies_parsed_at":"2022-08-16T12:15:09.817Z","dependency_job_id":null,"html_url":"https://github.com/nitram2342/gr-dcf77-transmitter","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/nitram2342/gr-dcf77-transmitter","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nitram2342%2Fgr-dcf77-transmitter","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nitram2342%2Fgr-dcf77-transmitter/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nitram2342%2Fgr-dcf77-transmitter/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nitram2342%2Fgr-dcf77-transmitter/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/nitram2342","download_url":"https://codeload.github.com/nitram2342/gr-dcf77-transmitter/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nitram2342%2Fgr-dcf77-transmitter/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":270781393,"owners_count":24643820,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","status":"online","status_checked_at":"2025-08-16T02:00:11.002Z","response_time":91,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["dcf-encoder","dcf77","gnuradio","transmitter","usrp"],"created_at":"2024-11-11T01:07:30.906Z","updated_at":"2025-08-16T23:12:07.125Z","avatar_url":"https://github.com/nitram2342.png","language":"Shell","funding_links":[],"categories":[],"sub_categories":[],"readme":"#\n# Copyright 2005, 2006 Free Software Foundation, Inc.\n# \n# This file is part of GNU Radio\n# \n# GNU Radio is free software; you can redistribute it and/or modify\n# it under the terms of the GNU General Public License as published by\n# the Free Software Foundation; either version 2, or (at your option)\n# any later version.\n# \n# GNU Radio is distributed in the hope that it will be useful,\n# but WITHOUT ANY WARRANTY; without even the implied warranty of\n# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n# GNU General Public License for more details.\n# \n# You should have received a copy of the GNU General Public License\n# along with GNU Radio; see the file COPYING.  If not, write to\n# the Free Software Foundation, Inc., 51 Franklin Street,\n# Boston, MA 02110-1301, USA.\n# \n\n\nWhat is this?\n--------------------\n\nThis gnuradio module is a simple DCF77 transmitter or to be more precise\nit is a generator for a time signal, that is usually transmitted by the\nDCF77 station.\n\nTo learn more about the DCF77 station, please read this wikipedia page:\nhttps://secure.wikimedia.org/wikipedia/en/wiki/DCF77\n\nThe time signal generated by this gnuradio module can be used to set the\ntime of radio controlled clocks. In two of three cases you can set the time\nfor a powered up clock in three to five minutes. If your clock is already\nsynced with a time signal, it highly depends on the clock, when it tries\nto synchronise again. Some clocks will only sync once a day.\n\nInstallation\n--------------------\n\nThis package requires that gnuradio-core is already installed. It\nalso depends on some GNU Radio prerequisites, such as boost.\n\nTo build the code from the tarball use the normal recipe:\n\n  $ ./configure\n  $ make\n  $ make check\n\nIf you're building from CVS, you'll need to use this sequence, since\nCVS doesn't contain configure or the generated Makefiles.\n\n  $ ./bootstrap\n  $ ./configure\n  $ make\n  $ make check\n\n\nThe doc directory is not built by default.  This is to avoid spurious\nbuild problems on systems that don't have xmlto installed.  If you\nhave xmlto and its dependencies installed, you can build the html\nversion of the howto article by cd'ing to doc and invoking make.\n\nUsage\n--------------------\n\nJust have a look into start.sh and dcf77_tx_test.py prepare your USRP\nand run start.sh.\n\nPlug in the LFTX module in order to prepare your USRP. For testing\nyou can connect the LFTX to a coil and place the clock in the\ncenter of the coil. You don't need any amplifier for this setup.\n\n\nLegal aspects\n--------------------\n\nObviously there are legal aspects. Transmitting time signals outside\nof special radio test rooms is not allowed in most cases.\n\n\nAuthor\n--------------------\n\nMartin Schobert \u003cmartin@weltregierung.de\u003e\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnitram2342%2Fgr-dcf77-transmitter","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fnitram2342%2Fgr-dcf77-transmitter","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnitram2342%2Fgr-dcf77-transmitter/lists"}