On May 14, 2012, at 09:33 , bg at lysator.liu.se wrote: > More modern 3-5.5V into 50ohm, 20us. > http://contracting.tacom.army.mil/majorsys/jab/DAGR%20Interface%20Specification.pdf Is a similar standard available for the older PLGR devices? -- Mark J. Blair, NF6X <nf6x at nf6x.net> http://www.nf6x.net/