XPR 6550

[30319]

Good evening! I'm attempting to program a direct, analog UHF frequencies in my 6550. I'm using CPS 10.00.01 & Firmware R01.08.20. Example 451.187 RX and 451.187 RX. I have selected CSQ as for the type of PL. The section to change the PL is completely darkened out. I can receive radio traffic on the channel but when I transmit no one can hear me. Any suggestions please? Thank you!

 

[GTR8000]

Well, CSQ means no PL, so you have to select TPL for Squelch Type if you want to actually set a PL tone. Also 451.187 is not a valid frequency (451.1875 is), so perhaps you meant 451.1875 or something else entirely.

 

[K2NEC]

If no one can hear you it probably means they have a PL programmed. And since you don't the radio doesn't un-mute to your transmission.
Also, your CPS version is ANCIENT.

 

[30319]

Thank you GTR8000 and K2NEC for the quick responses! GTR8000 I don't believe I need a PL tone as I have pretty much confirmed it's not necessary. I "read" a work radio using a very cheap, Chinese frequency counter. I have to assume now that it is NOT that accurate. I can hear co-workers clearly. Wouldn't the channel sound "off frequency" if I had the wrong RX?

My cheap frequency counter "read" RX 451.187, again that is probably inaccurate. Any suggestions?

 

[DeoVindice]

Thank you GTR8000 and K2NEC for the quick responses! GTR8000 I don't believe I need a PL tone as I have pretty much confirmed it's not necessary. I "read" a work radio using a very cheap, Chinese frequency counter. I have to assume now that it is NOT that accurate. I can hear co-workers clearly. Wouldn't the channel sound "off frequency" if I had the wrong RX?

My cheap frequency counter "read" RX 451.187, again that is probably inaccurate. Any suggestions?

Do you have permission to be adding a radio onto this system? Check with your named licensee and get the right frequency from him.

 

[30319]

Yes I definitely have permission!

 

[MTS2000des]

Why not just lookup the license and go off that, I mean, if you have permission than a simple query of the FCC ULS will show the CORRECT licensed frequency data.

 

[737mech]

If they can’t hear you it might be because you are using a repeater? In that case your TX freq would have to be offset. Maybe +/- 5 MHz?

 

[DeoVindice]

Yes I definitely have permission!

Then why are you using a frequency counter? Either get the information from the licensee or look it up in the ULS.

 

[APX7500X2]

Do you have permission to be adding a radio onto this system? Check with your named licensee and get the right frequency from him.

Where are the red and blue flashing lights? Or does the radio police only use amber LOL

 

[DeoVindice]

Where are the red and blue flashing lights? Or does the radio police only use amber LOL

This thread smacks of a guy trying to put a radio on a system he's not authorized for, or doesn't have all the information on. Either way, potential exists to cause interference to that or another system if he keeps guessing at frequencies and modes of operation. There's a right way to put a radio on a system, and a wrong way. If pointing him in the right direction makes me the radio police, I'll take that as a badge of honor.

 

[MTS2000des]

That part. Authorized users can easily get the correct information from the one(s) responsible for the system in question. Doing it any other way is bootlegging.

 

[TampaTyron]

You are missing the PL tone. The reason you can hear them is because in CSQ mode, you are receiving ALL PL tones. Since you are not transmitting the correct PL tone, the user's radios will not unmute on your traffic. Also, the frequency you gave is not correct for the US. As someone who works for a LARGE radio manufacturer, I strongly recommend you read the radio and gather the correct data. You are setting yourself up for some serious issues by "guessing" the correct info. Also, get any/all permissions in writing or on video with a cellphone in case this thing blows up. What type of work are the radios being used for? TT