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U.S. military field radios employ wider deviation and a 150 Hz CTCSS tone, not supported by most scanners or CTCSS decoders. There are over 40 different CTCSS codes and you can program a specific CTCSS or DCS code into each memory channel. CTCSS for Dummys; Great article! I remember back in the 90's my local repeater had a tone on the output, but also passed through a tone from the input.

2020-07-20 · Both CTCSS and DCS were designed to ignore other users on a radio frequency Think of them as electronic ear plugs CTCSS is analog (a selection of tones, generally between 67 Hz and 255 Hz) DCS is digital (one 134.4 Hz tone carrying 23 bits of data) Most of the time, we only think in terms of transmitting tones 2007-11-28 · CTCSS (Continuous Tone-Coded Squelch System) uses sub-audible (below 300 Hz, not necessarily inaudible) tones to activate coded receivers. PL (Private Line) is Motorola's trademarked name for this system. General Electric calls theirs CG (Channel Guard). DCS (Digital-Coded Squelch) uses a 23-bit digital pattern to activate coded receivers.

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Specifically, DCS gives you 83 codes, whereas CTCSS gives you somewhere between 26-50 squelch tones depending on the radio -- manufacturers have added extra codes over time. The real name for this method of transmission is Continuous Tone-Coded Squelch System or CTCSS. Most modern FRS and GMRS radios have CTCSS, but most of them don't call it CTCSS.

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A later Digital-Coded Squelch (DCS) system was developed by Motorola under the trademarked name Digital Private Line (DPL). General Electric responded with the same system under the name of Digital Channel Guard (DCG). Codages CTCSS / DCS. Les principes du codage CTCSS. La majorité des fabricants de PMR/LPD proposent un codage CTCSS (Continuous Tone Coded Squelch System). This video explains the basic technical principles behind CTCSS (continuous tone coded squelch system) and DCS (digitally coded squelch) as well as how they DCS (aka DSQ/DPL) provides a slightly larger range of codes to pick from compared to CTCSS. This means less chance that a nearby station will accidentally overlap with yours. Specifically, DCS gives you 83 codes, whereas CTCSS gives you somewhere between 26-50 squelch tones depending on the radio -- manufacturers have added extra codes over time.

DCS is newer was was designed to address those shortcomings. CTCSS is an analog system. A later Digital-Coded Squelch (DCS) system was developed by Motorola under the trademarked name Digital Private Line (DPL). General Electric responded with the same system under the name of Digital Channel Guard (DCG). The generic name is CDCSS (Continuous Digital-Coded Squelch System). DCS (aka DSQ/DPL) provides a slightly larger range of codes to pick from compared to CTCSS. This means less chance that a nearby station will accidentally overlap with yours.
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DCS – Digital Code Squelch DCS påminner i funktionen om CTCSS eftersom endast den radio som har rätt. DCS-kod inställd kommer att bryta 2. Funktioner.

14. Search, CTCSS/DCS avkodare, Alpha Tagging, PC Programming/Control Option, Batteripack 4xR6/AA-NiMH-4.8V-1500mAh (!), BNC antenn, nätagg 12V V/M, tryck för att växla mellan kanalmod och frekvensmod. SCAN, tryck upprepade gånger Inställning av CTCSS eller DCS toner. 2.
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CTCSS (ContinuousTone- Indikerar DCS (Digital Code System, digital subton). Röststyrd låta radion söka efter subtonen (CTCSS) eller den digital subtonen 9 V DC via nätadapter. Med både CTCSS och DCS bör det noteras att endast den https://www.youtube.com/watch?v=qnP7erTvaD0 Youtube-video av ett CRT SS-9900 10m allmode från CRT (Anytone).

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In most cases it is used to eliminate interference getting into a repeater system. This can be the case where there are a number of repeaters at the same site and 2019-2-25 · The Continuous Tone Coded Squelch System, commonly referred to as CTCSS, has been in used in the land mobile radio arena from the late 1960’s.It is known by a number of different trade names such as Private Line® (PL) by Motorola, Channel Guard® (CG) by General Electric and generically as tone squelch.. It is a use of sub-audible tones that are transmitted along with the speech portion of 2020-11-8 · How and Why We Use CTCSS (PL) in Amateur Radio The “standard” tones. Limitations: Powerfrequencies andmultiples 60 Hz,120Hz, 240 Hz Don't use 131.8 Hz or 136.5 Hz on a mixed mode channel (both CTCSS/PL and CDCSS/DCS/DPL). GMRS community has adopted 141.3 Hz as the nationwide "travel tone.” Though not a standard per se, open amateur 2016-4-14 · See the DPL / DCS page for information on a digital coded squelch system (unlike the analog PL/CTCSS squech systems, the 23 bit DCS/DPL squelch system is the same for all manufacturers). The Syntor X has specific information on it's PL/DPL.