Search Results: CTCSS


Continuous Tone-Coded Squelch System
Kamis, 2026-05-07 22:10:44

In telecommunications, Continuous Tone-Coded Squelch System or CTCSS is one type of in-band signaling that is used to reduce the annoyance of listening...

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Squelch
Jumat, 2026-05-22 00:00:24

years. CTCSS is often called PL tone (for Private Line, a trademark of Motorola), or simply tone squelch. General Electric's implementation of CTCSS is called...

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Selective calling
Kamis, 2026-04-30 17:03:33

digital code. Selective calling systems can overlap; e.g. a radio may have CTCSS and DTMF calling. Selective calling prevents the user from hearing others...

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UHF CB
Jumat, 2026-03-20 18:49:41

of selcall has dropped since the introduction of CTCSS. Continuous tone coded squelch system (CTCSS) allows a group of radios set with the same tone to...

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Radiotelephone
Rabu, 2026-04-01 02:17:11

to create addressing systems. The crudest and oldest of these is called CTCSS, or Continuous Tone-Controlled Squelch System. This consists of superimposing...

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Telecommunications in Malta
Rabu, 2026-05-06 23:13:05

(9H1BBS-L) DTMF Access 145300 CTCSS 77 Hz (Owned by G0DEO/9H1IA) 1 VHF/UHF 9H1IA-L Frequency Agile CrossBand Link CTCSS 151.4 Hz (Owned by G0DEO/9H1IA)...

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PMR446
Sabtu, 2026-05-30 23:02:13

Maximum power is 500 mW ERP and equipment must be used on a mobile basis. CTCSS is usually used, with more upmarket models also featuring DCS and/or fixed-carrier...

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International distress frequency
Sabtu, 2026-02-21 02:40:57

(Europe): Channel 1 analog (446.00625 MHz, CTCSS 100.0 Hz, channel 1/12), Channel 8 analog (446.09375 MHz, CTCSS 123.0 Hz, channel 8/18). PMR446 (Europe):...

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Multi-Use Radio Service
Jumat, 2025-07-18 14:52:50

technology called CTCSS or DCS that helps block out unwanted transmissions. To make MURS two-way radios work together, they must have matching CTCSS or DCS tones...

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Walkie-talkie
Sabtu, 2026-04-25 03:34:41

come down, it is possible to add advanced squelch capabilities such as CTCSS (analog squelch) and DCS (digital squelch) (often marketed as "privacy codes")...

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Professional mobile radio
Senin, 2025-02-24 10:37:36

many others using them for communication. Now facilities such as DTMF and CTCSS provide additional calling selection. Because the antenna may be mounted...

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Amateur radio
Sabtu, 2026-06-06 04:44:49

Marine VHF radio Maritime mobile amateur radio Signaling / Selective calling CTCSS D-STAR Dual-tone multi-frequency MDC-1200 Push-to-talk Quik-Call I Quik-Call...

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AN/ARC-210
Minggu, 2025-12-14 22:38:40

935-941 MHz public safety bands Continuous Tone-Coded Squelch System (CTCSS), used by many public safety agencies, is available above 400 MHz and below...

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Yaesu FT-2900R
Selasa, 2026-02-24 01:31:37

Memories 200 "basic" channels 10 band edge channels 1 "home" channel CTCSS: 50 standard CTCSS tones DCS encoder/decoder: 104 standard DCS codes 6 digit LCD with...

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Baofeng UV-5R
Selasa, 2026-06-02 16:53:56

depending on regional regulations enforced by the importer. Features include CTCSS and DCS tone support, 128 programmable memory channels, repeater offsets...

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General Mobile Radio Service
Jumat, 2026-05-22 00:07:28

channel”, or as the “Traveler’s assistance” channel, along with a suggested CTCSS tone of 141.3 Hz. It is unclear how well known (or followed) this or any...

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Family Radio Service
Senin, 2025-07-28 16:23:23

FRS radios frequently have provisions for using sub-audible tone squelch (CTCSS and DCS) codes, filtering out unwanted chatter from other users on the same...

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AN/PRC-148
Sabtu, 2025-08-09 05:06:49

Analog narrowband capable (12.5 kHz) 2 and 20 meter immersible variants CTCSS tones Retransmission between handheld radios (with special purpose filters...

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Public Radio Service
Selasa, 2026-05-12 08:54:12

network. 70-centimeter band CDCSS Continuous Tone-Coded Squelch System (CTCSS) Family Radio Service (the equivalent of PRS in Canada, the US, and some...

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Project 25
Senin, 2026-05-04 22:41:23

to using in band signaling such as Continuous Tone-Coded Squelch System (CTCSS) tone or Digital-Coded Squelch (DCS) codes for access control. Instead they...

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Two-way radio
Sabtu, 2025-12-27 01:55:48

2935–2971. This article shows that signal fades occur at audio frequencies near CTCSS tones, explaining why only DCS was used in Motorola 800 MHz systems in the...

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Tone remote
Jumat, 2024-09-06 23:30:53

speaker, microphone, and controls for options such as channel selection or CTCSS switches. This limited a base station to being within tens to hundreds of...

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CRM 114 (fictional device)
Senin, 2026-03-02 07:49:56

assigned tone was received. Ground mobile radios used a similar system called CTCSS (Continuous Tone-Coded Squelch System); this continues to be used in non-professional...

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Personal radio service
Minggu, 2026-06-07 04:34:39

skips. As with FRS/GMRS and PMR446, the use of tone squelch systems such as CTCSS/DCS is encouraged. Like the PMR446, LPD433, Japan's 421–422 MHz SLPR service...

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POCSAG
Kamis, 2026-03-26 14:08:33

examples, the department store is forced to use a squelch system such as CTCSS or DCS. In many areas in the United States, these frequencies are used for...

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Yaesu VX series
Sabtu, 2026-05-02 01:16:33

radios all have features common to most modern hand held amateur radios: CTCSS and DCS decode/encode and European tone burst RF squelch capability Selectable...

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Base station
Kamis, 2025-12-18 22:43:32

Basic base station elements used in a remote-controlled installation. Selective calling options such as CTCSS are optional....

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List of amateur radio transceivers
Minggu, 2026-04-05 21:35:18

Ofcom regulations and are blocked by the manufacturer). Features include CTCSS and duplex operation for use with local repeaters, dual watch and dual reception...

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Private line
Selasa, 2025-09-30 13:36:18

to describe an implementation of a Continuous Tone-Coded Squelch System (CTCSS), a method of using low-frequency subaudible tones to share a single radio...

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10-meter band
Selasa, 2026-03-31 10:25:29

frequently open up to propagate globally, most 10-meter repeaters use a CTCSS sub-audible access tone. 16 kHz-wide signals with 5 kHz deviation is normal...

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Fox-1B
Senin, 2024-05-27 13:42:05

Frequencies 145.960 MHz downlink FM 435.250 MHz uplink 67.0 Hz CTCSS...

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WSPR (amateur radio software)
Selasa, 2026-03-31 22:17:40

Marine VHF radio Maritime mobile amateur radio Signaling / Selective calling CTCSS D-STAR Dual-tone multi-frequency MDC-1200 Push-to-talk Quik-Call I Quik-Call...

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Radio scanner
Senin, 2026-05-25 23:11:30

Chicago. Many recent models will allow scanning of the specific DCS or CTCSS code used on a specific frequency should it have multiple users. Memory...

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NAC
Rabu, 2026-01-07 03:22:03

Network Access Code is a feature of Project 25 digital radios similar to CTCSS or DCS for analog radios. That is, radios can be programmed to only break...

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List of communications receivers
Kamis, 2026-04-09 01:14:27

04–3150 direct sampling for HF; double superhet USB LSB CW WFM NFM AM S-AM CTCSS DCS DTMF (P25) .2, .5, 3, 6, 15, 30, 100, 200, 300 2000 5 +20 AOR AR-5700D...

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FT8
Kamis, 2026-05-28 05:46:30

Marine VHF radio Maritime mobile amateur radio Signaling / Selective calling CTCSS D-STAR Dual-tone multi-frequency MDC-1200 Push-to-talk Quik-Call I Quik-Call...

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Falsing
Kamis, 2024-09-05 03:13:45

an enabled CTCSS decoder turns on the receive audio for one or two syllables of a signal with a close-in-tone-frequency (but wrong) CTCSS tone. The person...

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Fox-1D
Rabu, 2024-07-10 14:03:08

downlink FM, data transmission DUV 200 bit/s and FSK 9600 bit/s, 400 - 800 mW 435.350 MHz uplink FM CTCSS 67.0 Hz 1,267,350 MHz uplink FM CTCSS 67.0 Hz...

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Communication during the September 11 attacks
Rabu, 2026-05-06 04:28:55

distant user appears to be repeated through the system, (possibly on the same CTCSS tone as was configured in Repeater 7). This appears to be a distant co-channel...

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Glossary of amateur radio
Jumat, 2026-02-27 05:08:45

simple, unmodulated radio wave that can be modulated to carry information. CTCSS Continuous Tone-Coded Squelch System – a sub-audible tone that is frequently...

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Winmor
Jumat, 2025-12-12 19:39:09

Marine VHF radio Maritime mobile amateur radio Signaling / Selective calling CTCSS D-STAR Dual-tone multi-frequency MDC-1200 Push-to-talk Quik-Call I Quik-Call...

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MDC-1200
Jumat, 2026-06-05 17:39:05

of a header tone and the need to delay the data burst to allow time for CTCSS decoders and voting comparators to open an audio path to the decoder. A...

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Winlink
Minggu, 2026-03-29 08:24:42

Marine VHF radio Maritime mobile amateur radio Signaling / Selective calling CTCSS D-STAR Dual-tone multi-frequency MDC-1200 Push-to-talk Quik-Call I Quik-Call...

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Mobile radio
Rabu, 2024-10-16 00:25:32

custom built radios designed for their unique systems. Systems with multiple-CTCSS tone encoders and more than two channels were unusual. Manufacturers of...

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Waverley Amateur Radio Society
Senin, 2026-04-27 11:59:08

using a 91.5 Hz CTCSS tone while on 70 cm the repeater is assigned to 438.575 MHz FM output / 433.575 MHz input using a 91.5 Hz CTCSS tone. The 70 cm...

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RFinder
Minggu, 2025-06-08 22:57:17

Locator System and GPS coordinates, transmit/receive offset ("split"), CTCSS and DCS squelch settings, and VoIP settings (IRLP and Echolink nodes). The...

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Amateur radio repeater
Selasa, 2026-05-12 16:31:27

repeater. Many amateur radio repeaters typically have a tone access control (CTCSS, also called CG or PL tone) implemented to prevent them from being keyed-up...

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Clermont Carn
Sabtu, 2026-05-23 06:55:29

Frequency ERP Service 145.675 MHz (Output) 145.075 MHz (Input) CTCSS 110.9 Hz 15 W EI2CCR 2m 12.5 kHz Repeater (Dundalk Amateur Radio Society www.ei7dar...

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Manly-Warringah Radio Society
Minggu, 2026-04-19 14:00:46

be operated on 438.175 MHz FM output / 433.175 MHz input using a 91.5 Hz CTCSS tone, or in APCO P25 mode using the standard NAC of 0x293. For Digital mode...

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Now (brand)
Kamis, 2026-05-28 21:51:41

compatibility with other FRS gear; in particular, it is not compatible with CTCSS or DCS signals commonly used on standard FRS gear. ChatNow differs from...

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Selcall
Sabtu, 2025-09-06 18:07:01

identify a unit (unit ID) rather than for selective calling. Some systems used CTCSS and MODAT. In a unit ID application, every radio has a different five- or...

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MPT-1327
Minggu, 2025-03-23 22:07:34

higher standard than conventional FM systems, partially due to the lack of CTCSS within the standard. As such arguments with regards to "noisy FM audio quality"...

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Heartland REACT
Senin, 2026-04-27 02:33:24

established in Elkhorn operating at 442.950 MHz. Both repeaters utilized a CTCSS tone of 146.2 Hz and are open to the public except when a REACT net was...

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Internet Radio Linking Project
Kamis, 2025-04-24 21:17:45

be transmitted over the VoIP link. This can easily be accomplished using CTCSS on the repeater transmitter that follows the COS of the receiver. EchoLink...

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LituanicaSAT-1
Selasa, 2026-05-26 21:11:48

FM mode V/U voice repeater. It operates on 145.950 MHz uplink (PL 67 Hz CTCSS) and 435.180 MHz downlink. The FM repeater subsystem identifies itself with...

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Associacao de Radioamadores da Linha de Cascais
Senin, 2026-04-20 09:18:13

Natural Sintra Cascais, Peninha Sanctuary TX: 439,275 MHz; Shift: -7,600 kHz; CTCSS/PL tone: 74.4 Hz Location in Google Maps UHF DMR MOTOROLA MOTOTRBO (R) repeater...

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