They go hand-in-hand. Per the Quantar manual, you can only use a Wide Pulse setting on a 25 kHz channel.
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NX-5300 P25 Not working
- Thread starter RadioPilot1983
- Start date
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They go hand-in-hand. Per the Quantar manual, you can only use a Wide Pulse setting on a 25 kHz channel.
You can use virtually any combination. But for proper P25 WIDE operation you must select:
CHANNEL INFO - CAI RX WIDE DEV
RF CONF - WIDE PULSE
And if you're using mix mode (ANALOG / ASTRO CAI), you also must set RECEIVCE CH BW to WIDE 25-30 kHz.
But I think that P25 WIDE is oblolette digital modulation and requires wideband permission from FCC, because it's not narrow-band compatible. I think so.
BEWARE: These settings are NOT compatible with Kenwood!
CHANNEL INFO - CAI RX WIDE DEV
RF CONF - WIDE PULSE
And if you're using mix mode (ANALOG / ASTRO CAI), you also must set RECEIVCE CH BW to WIDE 25-30 kHz.
But I think that P25 WIDE is oblolette digital modulation and requires wideband permission from FCC, because it's not narrow-band compatible. I think so.
BEWARE: These settings are NOT compatible with Kenwood!
Last edited:
RadioPilot1983
Member
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- Nov 12, 2016
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Ok so my RF Config is wide pulse for sure.
If I move it to narrow pulse, perhaps based on what you guys are saying the kenwood radio will work.
However, please educate me on what this narrow vs wide pulse actually is and what it means.
Does narrow pulse decrease my effective footprint?
Is wide pulse better overall in terms of maximizing my P25 footprint. Furthermore will APX and XTS/XTL and bendix king subscribers still be able to use the p25 side of my repeater on narrow pulse.
I don't want to move my quantar to narrow pulse if it degrades performance of my system. I'd rather just not use the kenwood radio if that is the case.
Sorry for all the insistence on 25 kHz vs 12.5 KHz. I just don't like narrow band since in the ham world wide band is still allowed and is better in terms of range. I hope ham bands will never go narrow band.
If I move it to narrow pulse, perhaps based on what you guys are saying the kenwood radio will work.
However, please educate me on what this narrow vs wide pulse actually is and what it means.
Does narrow pulse decrease my effective footprint?
Is wide pulse better overall in terms of maximizing my P25 footprint. Furthermore will APX and XTS/XTL and bendix king subscribers still be able to use the p25 side of my repeater on narrow pulse.
I don't want to move my quantar to narrow pulse if it degrades performance of my system. I'd rather just not use the kenwood radio if that is the case.
Sorry for all the insistence on 25 kHz vs 12.5 KHz. I just don't like narrow band since in the ham world wide band is still allowed and is better in terms of range. I hope ham bands will never go narrow band.
All looks good, except for this piece, the repeaters that the Kenwood is working with are configured with WIDE PULSE as shown below/attached. The only difference is that even though this is set to WIDE PULSE the repeater owner (which the Kenwood NX-5300 is currently working through) set the MODULATION COMPENSATION via the alignment tools to 3.5 kHz per the the help Quantar Help files.
FYI: I'm just passing this information along 3rd party if you want to talk all Quantar GEEK mode then let me know and I can pass the repeater owners information onto you privately via a PM.
Hope this helps us all!
Ted/KE6YJC
Attachments
Well it's confirmed switching the "ASTRO TX filter" to NARROW Pulse fixed the issue. Can hear P25 on the NX-5300 now! YAY!!!!
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