Graham,

you wrote 18.10.2013, 20:23 MSK(GMT+4h):

>Both ROS Hf/Mf data modes and Opera , s/n measurements use the path-sim simulator as the calibration reference , which is higher than the levels >produced by fldigi / wspr etc , ie transmission needs less power to give the same db level

>May be Stefan could run OP4 on 136 at 100% duty cycle for one session , that would give the first 'real' qsb profile of the TA path with a delta T of 240 >seconds ?

>(but give some warning if it happens !)

>73-G,

>http://www.moetronix.com/ae4jy/pathsim.htm

I can give OP4H on 136, but is not sure that somebody will RX me on the other side of Atlantic now.
Besides, I need to TX at freq 136900 - 136925 (RX 136000 USB dial)
or I'm mistaken(?)

73! Alex R7NT 136.73.ru