[GreenKeys] newbee AGAIN RE: HAL ST800a

[wa2hwj at att.net]

The HAL ST-8000A appears to be a very close relative of the
Frederick Electronics 1280(A)...most 1280's were MIL188 or
RS232 output, only...I never saw one with a HV loop, although
I'm sure it was an option.  The 1280's show up on Ebay once in
awhile and in government auctions. They are pretty comlpex
units...
73,
Jack K0TTY


-------------- Original message from "Don Cunningham" <wb5hak at martineer.net>: -------------- 


> Jeffrey, you need to check Hal's site. The ST-8000 and 8000A do NOT have a 
> loop supply built in. They only have RS-232 and Mil 188 IO's. Bill Henry 
> advised another Greenkeyer recently on here that the price of the outboard 
> (LP1200 I think) loop would be too high priced for our liking, and I think 
> there might even have to be a minimum quantity order to get them built. 
> Yes, you could build a loop supply and key it from the data IO's, but that's 
> not really a "newbie" project. 
> 73, 
> Don, WB5HAK 
> 
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