good news, nice to see this mode make good progress. Andy K3UK
On Sat, May 15, 2010 at 9:53 AM, graham787 <g0...@hotmail.com> wrote: > > > After a series of successful test transmissions, the latest version of > ROS-3-6-1 (at the moment) now has the MF mode included , this allows live > key board qso's at a data rate close to 500/8 and also has a baud-1 mode > with enhanced s/n performance , transmission via non-linear systems is > possible , though the logic drive of class e/d will still present problems. > > > To comply with the EU 100 Hz data bandwidth of the 500Khz permits the mode > is coded to occupy less than 100 Hz , the first custom mode to be produced > to enable data communications with in the EU on MF > > The first on air qso over 200 miles is listed > > > http://lfistes.erst.azerttyu.net/viewtopic.php?f=17&t=1982&sid=5f68ac5172a5c1206\ > 214df5b03c2bc50<http://lfistes.erst.azerttyu.net/viewtopic.php?f=17&t=1982&sid=5f68ac5172a5c1206214df5b03c2bc50> > > Scroll down the page ... and you will see the RX station F4DTL was in Paris > 650 Km from myself running 20 watts to 35 ft top loaded vertical and round > 325 km from Jim running 100 w to a similar array > > Its quite possible that the 100 Hz mode will function well over HF over the > polar paths where psk tends to fail ? > > G .. > > >
