Kevin,
I built and tested the first two reflectors and the problem was seen on the third but it seemed intermittent and I moved to the 4th reflector and that didn't work and then 3 seemed to stop working too. Not much luck today working on these.

My test setup was using local repeater
UHF portable with   Talk Groups ( 10282 , 10283 10284 10285 )

( UHF Quantar 10285 ) <->  QB <-> MMDVM <-> P25GW 41030<-> INTERNET

AWS Cloud   41000 41010 41020 41030 

(UHF Quantar 10282 ) <-> QB <-> MMDVM <-> P25GW 41000 <-> INTERNET
(VHF Quantar 10283 ) <-> QB <-> MMDVM <-> P25GW 41010 <-> INTERNET
(UHF Quantar 10284 ) <-> QB <-> MMDVM <-> P25GW 41020 <-> INTERNET

Pi star <-> P25

P25 Portable #2 Talk Groups ( 10282 , 10283 10284 10285 )