[aprssig] backup pwr systems

Ben Lindner vk5jfk at activ8.net.au
Sun Dec 3 18:24:30 CST 2006

Hi Richard,

PSU is what we call a Power Supply(in  Australia) to run a radio. UPS 
backup system normally used for computers

Richard Amirault wrote:
> ----- Original Message ----- From: "Ben Lindner"
> Subject: [aprssig] backup pwr systems
>> What sort of backup power systems do people use these days.  ?
>> eg.
>> Running a rig from a standard PSU while charging a battery at the 
>> same time and when the mains power drops out the battery will take 
>> over and run the radio. Then when the mains power is returned every 
>> thing is back to normal, battery is charged again from PSU and radio 
>> runs from PSU.
>> Any body have any ideas on how to work this or has a circuit that I 
>> can build
> What's a PSU?  Did you mean a UPS?
> What I use is an Astron power supply with the optional BB (Battery 
> Backup) option. A size 27 marine / deep cycle battery is attached. 
> This will power the rig and the TNC during a power failure but not the 
> computer. Upon restoration of commercial power the computer is set to 
> re-boot into APRS automatically.
> Richard Amirault                                N1JDU                
> Boston, MA, USA
> n1jdu.org                                   "Go Fly A Kite"
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