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Software License Operating Systems Features Amateur Contact Log by N3FJP Proprietary Windows Logging, Transceiver control, Callbook lookup, QSL handling (Hardcopy / LoTW / eQSL / Club Log), Awards, DX Spots, Digital Modes
Digital Signal 1 (DS1, sometimes DS-1) is a T-carrier signaling scheme devised by Bell Labs. [1] DS1 is the primary digital telephone standard used in the United States , Canada and Japan and is able to transmit up to 24 multiplexed voice and data calls over telephone lines.
An article series on using the original JT65-HF software appeared in CQ Amateur Radio's October [17] & November 2010 [18] issues. And MSHV [19] from LZ2HV recompiled from source code of WSJT-X with different GUI implementation both for Linux and Windows OS.
A trunked radio system is an advanced alternative in which the channel selection process is done automatically, so as to avoid channel conflicts and maintain frequency efficiency across multiple talkgroups. This process is handled by what is essentially a central radio traffic controller, a function automatically handled by a computer system.
A digital cross-connect system (DCS or DXC) is a piece of circuit-switched network equipment, used in telecommunications networks, that allows lower-level TDM bit streams, such as DS0 bit streams, to be rearranged and interconnected among higher-level TDM signals, such as DS1 bit streams.
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The GNU Radio Companion is a graphical UI used to develop GNU Radio applications. [12] This is the front-end to the GNU Radio libraries for signal processing . GRC was developed by Josh Blum during his studies at Johns Hopkins University (2006–2007), then distributed as free software for the October 2009 Hackfest .
The interface is often a DS1, with sync-status messages supplied by the clock and placed into the DS1 overhead. Line-derived timing A network element can choose (or be configured) to derive its timing from the line-level, by monitoring the S1 sync-status bytes to ensure quality. Holdover