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Radio can't be heard by others

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phadobas

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I have a funny situation. The radio (PD662) is set up with several channels. Some channels use 1 repeater, some other channels use another repeater. So, on fringe areas, where signal starts fading out, using channel 1 which uses repeater 1, if I'm out of range, I can't key up the repeater, and the radio shows something like "Channel busy", or something similar. In other words, it's telling me (correctly), that the repeater is not reachable.

But when I switch to channel 2, which uses repeater 2, it doesn't give me this error. It transmits, like there is no problem reaching the repeater. But noone else can hear what is being said. In fact noone else's radio unmutes. They just sit and wait for the next person to say something. If I then step outside to get a better signal to/from the repeater, and push the PTT, the transmitting radio transmits, and now the receiving radios unmute, as expected, and the transmission can be heard. So the problem is that somehow on the fringe area, the transmitting radio thinks it's hitting the repeater, but it in real world, doesn't seem like it. So it should either give an error, or the transmission is lost somewhere else.

Repeater 1 and repeater 2 are on the same roof, and I did this test about 4-5 miles out from the repeaters. Indoors I experienced the problem on channel 2 with repeater 2. Just stepping outside solved the problem. On channel one (with repeater 1), indoors I get an error (as expected) on the radio when I try to transmit, and stepping outside, it works fine.

The expected behavior is that on both channel 1 (with repeater 1) and channel 2 (and repeater 2), indoors I should get an error on the transmitting radio, and outdoors, the transmission should go through. But what I get is channel 1 is doing it, channel 2 doesn't give an error indoors. It transmits, but others don't get the transmission.

Not sure what could it be. On the radios. I checked channel 1 against channel 2. and the only difference is that abviously, they are on a different frequency pair,, so that they use different repeaters, and the group contact is different. All other parameters are the same.

I didn't check the programming of the 2 repeaters, so I'm not sure if that will be different or not. Any advice where to look?
 

N5XPM

Member
Joined
Jul 29, 2011
Messages
211
Location
Texas
I have a funny situation. The radio (PD662) is set up with several channels. Some channels use 1 repeater, some other channels use another repeater. So, on fringe areas, where signal starts fading out, using channel 1 which uses repeater 1, if I'm out of range, I can't key up the repeater, and the radio shows something like "Channel busy", or something similar. In other words, it's telling me (correctly), that the repeater is not reachable.

But when I switch to channel 2, which uses repeater 2, it doesn't give me this error. It transmits, like there is no problem reaching the repeater. But noone else can hear what is being said. In fact noone else's radio unmutes. They just sit and wait for the next person to say something. If I then step outside to get a better signal to/from the repeater, and push the PTT, the transmitting radio transmits, and now the receiving radios unmute, as expected, and the transmission can be heard. So the problem is that somehow on the fringe area, the transmitting radio thinks it's hitting the repeater, but it in real world, doesn't seem like it. So it should either give an error, or the transmission is lost somewhere else.

Repeater 1 and repeater 2 are on the same roof, and I did this test about 4-5 miles out from the repeaters. Indoors I experienced the problem on channel 2 with repeater 2. Just stepping outside solved the problem. On channel one (with repeater 1), indoors I get an error (as expected) on the radio when I try to transmit, and stepping outside, it works fine.

The expected behavior is that on both channel 1 (with repeater 1) and channel 2 (and repeater 2), indoors I should get an error on the transmitting radio, and outdoors, the transmission should go through. But what I get is channel 1 is doing it, channel 2 doesn't give an error indoors. It transmits, but others don't get the transmission.

Not sure what could it be. On the radios. I checked channel 1 against channel 2. and the only difference is that abviously, they are on a different frequency pair,, so that they use different repeaters, and the group contact is different. All other parameters are the same.

I didn't check the programming of the 2 repeaters, so I'm not sure if that will be different or not. Any advice where to look?
If you provide the repeater receive and transmit
frequencies, folks might be able to help confirm correct programming on the 662.
 
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A fellow tech ran into a problem where a repeater with low signal strength would send carrier detect but not unmute the RX audio, which caused the voting receiver system to repeat that perfectly quiet signal.
Assuming your radio has identical settings other than freqs it seems the problem is the repeater. It must be transmitting carrier only which your radio sees.

Hytera has an RSSI setting in the channel tab but this is related to roaming, it's grayed out in conventional mode.
 

Muxlow

Super Secret
Joined
Aug 16, 2005
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Middlesex County
Channel busy means your tx admit criteria is set to channel free. If its saying channel busy that means someone els is on that repeater in analog or that time slot is in use. If you change it to ALWAYS allow and try again see if it goes away.
If your out of range it will says "wake up fail" or something similar

You runnin in analog or digital? If digital you have all radios set for a specific time slot or in pseudo? Trying to talk to all hyteras or some motorolas in the mix too? Iv found if you have send talker alias on and your talking to motorola radios it some times messes up and the motorolas wont hear you.
 

phadobas

Member
Joined
Nov 25, 2018
Messages
31
These are all Hytera radios. They are all in digital mode and use pseudo trunking. The admit criteria is set to "channel free". The original problem is that in fringe area, when I push the PTT button, the radio doesn't give any error (like "failed to wake repeater" or "channel busy"). It happily transmits. But noone gets the transmission. Noone un-mutes.
 

Muxlow

Super Secret
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Messages
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Location
Middlesex County
Try updating the firmware maybe? Think older firmware radios had some issue like that. Would give the ready to talk tone on a repeater channel even if it wasnt connecting to the repeater.

Never been a big fan of the 6 series so maybe thats part of the issue also
 

KevinC

Big Dog...celebrating 10 years of abuse!
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Try updating the firmware maybe? Think older firmware radios had some issue like that. Would give the ready to talk tone on a repeater channel even if it wasnt connecting to the repeater.

Never been a big fan of the 6 series so maybe thats part of the issue also

They hadn’t quite perfected all the stolen MSI IP yet I guess.:)
 
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