SDS100/SDS200: New SDS Firmware is here!

USASA

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Oct 28, 2003
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Falcon, Colorado
Hi all!

Well, whatever Uniden did it fixed my problem with the update!!
Uniden, please next update, do it right the first time. You caused a lot of headaches and concern! But Thank You!

Al
U.S.A.S.A.
 

werinshades

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I previously reported an improvement on a P25/Phase 2 800mhz. system I regularly monitor since the firmware release and decided to do some digging. Ignore Site NAC and watched as transmissions were occurring. When the system is monitoring the control channels (I have 2 sites set up), the NAC would flash 871h/872h as normal. When their is an active transmission the NAC will convert from P25 NAC 871h/872h to NAC 871h/872h A1Ch no difference which Slot the transmission is occurring on. I know the "h" is the hex format, but have never seen this displayed before. I don't normally have it set to Ignore Set NAC, but the curiosity got the best of me. Anyone else see this before, or has it been around and I'm just late to the show?
 

donc13

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I previously reported an improvement on a P25/Phase 2 800mhz. system I regularly monitor since the firmware release and decided to do some digging. Ignore Site NAC and watched as transmissions were occurring. When the system is monitoring the control channels (I have 2 sites set up), the NAC would flash 871h/872h as normal. When their is an active transmission the NAC will convert from P25 NAC 871h/872h to NAC 871h/872h A1Ch no difference which Slot the transmission is occurring on. I know the "h" is the hex format, but have never seen this displayed before. I don't normally have it set to Ignore Set NAC, but the curiosity got the best of me. Anyone else see this before, or has it been around and I'm just late to the show?
H is not a hex value, but could mean the 871 and 872 are hex values.
 

werinshades

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The first one is the NAC he entered in, the second is what the scanner thinks the NAC is.

What your seeing is NAC Ignored, so both the NAC's are being transmitted only during a transmission, and 871 is the control channel NAC.
 

werinshades

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You can't transmit 2 NACs.

Yes...that's why I found it unusual. The control channel is displaying 871, anyone transmits is showing A1C. Could this be the reason why the systems decode has improved because it now recognizes the 2nd NAC? Could this be a strange anomaly on this system only? The mystery remains..
 
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