Project25_MASTR
Millennial Graying OBT Guy
Is that true, Houston prime site down?
It has always bugged me that simulcast systems rely on a central control point. With P25 , GPS and IP, the voting and simulcast functions could all be distributed. No need for a prime site. I have mentioned this to Harris and Motorola systems engineers in the past and I think they missed my point. There seems to be this concept of "control" that the manufacturers dislike any concept where the remote sites are too capable.
The current simulcast architectures are too fragile in that respect.
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If I remember correctly, Houston has redundant prime sites. Harris county, has a prime site with no grounding on the equipment. I had heard (this was back on Monday morning) that Brazoria was down but I don't know if that was a leg with mutiple sites or a simulcast system. I also don't know if "down" consists of site trunking or failsoft or offline altogether.
Low band vhf is still a good option for rural departments wit little or no infrastructure but not many manufacturers want to support that now.
It's funny you mention that...I know a manufacturer who has a P25 capable low band repeater. For RFI-EMI-GUY, same manufacturer also has decentralized conventional and single site simulcast.
*Disclaimer: No I have not gone down to Houston, I've been told be ready to go next week but so far it seems there are enough techs down there. I have had to help some volunteers reconfigure VTAC repeaters I built for them over the phone but other than that my "Harvey Relief Effort" has been minimal. So I will be learning me some MCC7500 in Central Texas until further notice.