Questions tagged [tone-squelch]
Tone squelch, or CTCSS (Continuous Tone-Coded Squelch System) is a mechanism by which the presence of a specific frequency in the transmitted audio is used to open a receiver squelch, rather than relying simply on the presence of a strong enough signal.
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why i cant hear my voice when i connect to two Baofeng uv82 to the same repeater frequencies
I have two baofeng uv-82 and I connected both to the same repeater frequency, and once I press the ptt button I can hear the squelch sound on both radios. However, once I talk to one radio, I don't ...
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Can a repeater accept both tone burst and CTCSS?
I found a repeater than in a listing it says it accepts both, the 1750Hz tone burst, and a CTCSS code. Is this possible or is the listing wrong?
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BaoFeng UV-82 CTCSS TX static
Having an issue with CTCSS tones on the UV82. The radios seem to be transmitting an audible background sound when CTCSS TX tones are enabled. This comes through as a slight but noticeable audible ...
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Performance gain when turning off CTCSS/DCS?
By turning of CTCSS/DCS can there be an increase in performance*?
*Performance:
Battery life
Latency
Range
Voice quality
From what I understand CTCSS/DCS is extra work for the IC inside the radio.
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Programming receive tone on Kenwood V71A
Is it possible to program a receive tone on a Kenwood TM-V71A, and if so, how is it done?
I initially thought I had my answer when I came across Kenwood TH-D72A: what's the difference between Tone ...
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BF-888 radios don't work with UV-5Rs on the same frequency
I play airsoft here in Quebec Canada, and I have 2 Baofeng BF-888s that I got a few years back. Now people are mostly using UV-5Rs. I used CHIRP to program my radio to the same frequency used by the ...
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Why don't I hear the CTCSS tones when listening on the repeater input frequency?
I am newly licensed (Technician) and bought a UV-5RA as a cheap way to check out what's going on in my area and see if I'm finding it interesting enough to get a better UHF/VHF HT.
The other day I was ...
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alinco dr-635T receive squelch will not open in DCS mode
Newbie here with a question:
I have programmed my Alinco DR-635T for use with a variety of local repeaters. Half of these are opened with CTCSS codes and the rest with DCS codes. When monitoring any ...
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Retevis MURS radio and encrypted sub codes
I have some Retevis MURS two-way radios model number RT27V. In the programing software there is an option for DCS encrypt.
Now I turned on and off the DCS encrypt option and using my NooElec SDR with ...
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Does DCS intefere with SDR reception?
Does digital coded squelch (DCS) interfere with the analog-to-digital conversion in software-defined radios (SDRs)?
I noticed that I can receive normal transmissions with my SDR just fine, but I have ...
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Kenwood TH-D72A and AO-91/92
I got a Kenwood HT and using it with the Elk Antenna
On the radio, there is Tone and I set it to 67 Hz. I wasn’t able to break thru to the satellite and had it in Full Duplex mode. I can hear ...
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Kenwood TH-D72A: what's the difference between Tone and CTCSS?
Kenwood TH-D72A supports 3 types of tone: Tone, CTCSS and DCS.
What is the difference between Tone and CTCSS?
As far as I know CTCSS is basically a continuous transmission of a given low frequency ...
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PL tone removal?
How are PL tones (CTSS, et.al.) typically removed from the audio of received VHF FM repeater signals?
Is it done with a fixed high-pass filter? Or a notch, when using a transceiver with the PL tone ...
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Why does P25 occasionally break through tone squelch on my analog HTs?
When listening to our local repeater, which is now a combined P25/analog machine, every once in a while my squelch opens to a blast of digital noise. I've noticed this problem with at least two ...
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Private Channel?
Is there a method to limit the people with access to a simplex channel? I would like to utilize a channel that is set up for just myself and my wife. If I gave directions to meet somewhere I would ...
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Software to decode selective calling tones
I have a wav file that has a selective calling tone in it. Is it possible to decode a selective call tone from a wav or mp3 file ?
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How to connect a motorola RVA50UL with MR350?
Currently I use a Motorola MR30R radio in the frequency 20 (462,6750 Mhz) with Interference Eliminator Code 59. I also have a Motorola RVA50UL, according to the manual, the frequency will be available ...
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MURS - Set to broadcast and receive on a specific CTCSS code
Context
Using a Baofeng UV5RA
Would like to transmit on MURS (e.g., 151.880
MHz) using a CTCSS code for more private discussions
All of the online guides talk about scanning for CTCSS
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Baofeng not finding CTCSS tone
I have this Baofeng and I want listen to my school radios. The problem is that I want to find the CTCSS tone for the fun of it, but when I scan the tones on the Baofeng it cycles through but does not ...
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Receiving without configuring CTCSS
I'm interested in listening to the local EMS/Fire transmissions around here and was wondering if I have to configure the CTCSS/PL tones on the radio in order to hear those transmissions.
I understand ...
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Trouble communicating between Baofeng and Midland walkies
I'm very new to walkies and radios, and I know next to nothing. My friends and I bought a box of Baofeng 888s radios (which apparently also go by quite a few other names and manufacturers) and I'm ...
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Advantages of using Digital Code Squelch
I am trying to decide whether or not I should use a CTCSS (Continuous Tone-Coded Squelch System) or a DCS (Digital Coded Squelch) for my mini repeater I just set up.
What are the advantages of using ...
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Would it be possible to transmit all CTCSS tones at once?
What happens if all CTCSS tones are transmitted at once? Would it trip all radios listening on that frequency?
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Why are PL tones strange numbers?
PL tones have very specific odd numbers with a decimal place like 103.5 or 107.2 or 88.5. The only PL tone that does not have this decimal is the 100.0 hertz tone.
Why don't they just use integers ...
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Can two FM radios transmit two separate PL tones at the same time, and be received by two radios with matching PL tones?
Can two FM radios transmit two separate PL tones, and be received by two radios with matching PL tones? Or will the receivers hear a mix of the two, or nothing at all?
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How do PL tones make it through so much noise?
So sometimes I hear people trying to get into a repeater with pure noise, and no audible audio on their transmission.
With the repeaters that require a PL tone, how can the PL tones get through all ...
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