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APX Programming Opinion

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Air37

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Sep 9, 2011
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We're currently looking at new radios for aircraft. Technisonic has a single chassis unit which holds 4 APX dual band P25 modules and a single analog module. My question is about APX programming and which configuration would offer us the most flexibility and the easiest CPS programming. Keep in mind that each module is SmartZone/Astro P25 Trunking and all bands have the ability to crossband repeat.


Config #1:

Module #1 VHF/UHF lo
Module #2 VHF/UHF hi
Module #3 800/UHF lo
Module #4 800/UHF hi

Config #2:

Module #1 VHF/UHF lo
Module #2 VHF/UHF lo
Module #3 800/UHF hi
Module #4 800/UHF hi





Which config would you choose and why?

Thanks for your input
 
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kb2ztx

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I think it really depends on what area you are in. In our area 800 mhz is useless, yet I know other areas that 3 800 mhz modules would be beneficial.
 

Air37

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Sep 9, 2011
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The modules are decided. It's the way the second band is configured and which way would offer us the most flexibility while keeping APX CPS easy to program.

Would having the modules the same be easier to program as config #2 is set up?

Config #2:

Module #1 VHF/UHF lo
Module #2 VHF/UHF lo
Module #3 800/UHF hi
Module #4 800/UHF hi

Orrrrr, since they're all SmartZone/Astro P25 Trunking it doesn't matter cause you have to program each module individually.
 

kb2ztx

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All APX programming is a bear until you get used to it so i dont think any of it matters. All program the same regardless of band. It will still depend some on what systems are in use in your area.

If you have 2 800 Mhz trunking systems you need to monitor that ties up the UHF Hi (T-Band) radio. If you have T-band stuff in your area this may be an issue. Same with tying up both VHF and needing a 420 band on UHF. Being the radios are already ordered you dont have much choise on what band goes with which.
 

ElroyJetson

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Florida, where you wish you were!
It won't make any difference. You have four individual radios to program and how you configure the system will not make it any easier or or any more difficult. It's still just four individual radios that are handled separately.
 
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