Episode #125 of the Stack Overflow podcast is here. We talk Tilde Club and mechanical keyboards. Listen now

Questions tagged [squelch]

A function of receivers which mutes the audio when no signal is present; there are various and mode-dependent ways of making this determination. For PL/CTCSS in particular, use the [tone-squelch] tag.

Filter by
Sorted by
Tagged with
0
votes
1answer
74 views

How can I determine the possible damages of transmission with detached antenna in portable ham radios?

Premise: I had a Baofeng GT-3 TP Mark III 8W stored and never used, this morning my nephew has found It and He tried to "play with It" transmitting at maximum power(8 Watt) despite antenna wasn't ...
2
votes
2answers
154 views

Bad squelch on a TYT MD-380: user error or hardware?

I have a new TYT MD-380; it works well for DMR channels, but on analog, the squelch doesn't seem to open when it should. I'm relatively new to ham and my first suspicion is user error, but it's ...
4
votes
1answer
218 views

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 ...
4
votes
2answers
983 views

My Baofeng UV-5RV2+ will receive a signal with rubber duck antenna but not with a new Nagoya

I bought my self a Baofeng UV-5RV2+ as an inexpensive way to introduce myself to the world of ham radio. With all of the stock components everything has been working fine. I wanted to try to increase ...
4
votes
1answer
612 views

FM squelch SDR algorithm?

What signal characteristics in an SDR receiver signal path should be evaluated or computed to determine whether the audio output should be squelched or not? What sort of computed result should be ...
2
votes
1answer
466 views

What's the difference between the normal and S-meter squelch in IC-2730?

I recently obtained an IC-2730E and can't figure out the difference between its squelch options. Unfortunately, the user manual isn't very helpful. The squelch option had 3 types: off, attenuation and ...
5
votes
2answers
886 views

Squelch never seems to “open the gate” on Wouxun KG-UV9D

I just got my Technician's license a few weeks ago and I'm trying to figure out if this is user error or if I need to return my radio. My understanding of squelch is that when the received signal ...
9
votes
2answers
9k views

How does the baofeng radio eliminate squelch tail?

All tests are performed in Carrier Squelch mode on all radios without any sub-audible tone or digital squelch involved. Scenario 1: The Baofeng handheld radio Keys up. Another Baofeng is listening. ...
1
vote
1answer
176 views

Squelch sensitivity decreased when antenna is connected

I have a radio with a really horrible squelch. When the knob is all the way to most sensitive, the squelch has problems, the noise is not constant, the noise comes on and goes off. When the antenna ...