What is your point? LA5VNA Setinar
Brian A skrev: > > So one gets the 60wpm of 170Hz shift RTTY for a 400 Hz bandwidth? > > 73 de Brian/K3KO > > --- In digitalradio@yahoogroups.com > <mailto:digitalradio%40yahoogroups.com>, Mark Thompson <[EMAIL PROTECTED]> > wrote: > > > > ALE400 – Narrow band ALE mode now available > > > > Patrick F6CTE has announced that a narrow band version of the > popular Automatic Link Establishment (ALE) software is now available. > > > > On the HFLink Yahoo group he writes: > > > > For those interested in doing ALE and ARQ FAE using a narrow > bandwidth (400 Hz), I have derived from the standard ALE a new ALE > with a bandwidth of 400 Hz (instead of 2000 Hz) and which is called > 'ALE400'. > > > > This ALE system has exactly the same functions as the standard ALE > (in Multipsk) except that the: > > • bandwidth is 400 Hz (so ALE400 can be used where 500 Hz modes are > permitted) > > • the speed (and consequently the text throughput) is 2.5 slower, > > • no fix frequency (it is as MFSK16, Olivia or DominoEX modes) > > • the S/N is 5 dB better: > > - 9 dB for AMD messages and Unproto > > - 11.5 dB (- 13.5 dB with many repetitions) for ARQ FAE > > > > For ARQ FAE, it has been added a compression system using a modified > IZ8BLY (Nino) MFSK Varicode. So the text throughput (in ALE400) is > typically 60 wpm (up to 107 mpm in bilateral and 63 characters frames). > > > > This test version in a ZIP test package is available in my site > > http://f6cte.free.fr/MULTIPSK_TEST_28_10_2007.ZIP > <http://f6cte.free.fr/MULTIPSK_TEST_28_10_2007.ZIP> > > (copy and paste this address in Internet Explorer (or equivalent) > Net address field). It contains the Multipsk test version, the help > files (in English and French) and the specifications (in English) of > the ARQ FAE mode (version 1.4). > > > > Create a temporary folder (C:\TEST, for example), unzip the files in > it and start C:\TEST\TEST\Multipsk.exe (the auxiliary files will be > created automatically). > > > > For the contextual help, click on the right button of the mouse, > with the focus over the mode button "ALE400". Use also the button > hints (wait a fraction of second over a button). > > > > Hints: > > • if you are the "Master" (initiator of the CQ): confirm the RS ID > transmission in "Options" (to permit an automatic tuning for other > Hams), check "Master" on the Mode panel and, afterwards, push the > button "CQ" > > • if you are the "Slave" (the Ham who answers): push the button "RS > ID detection" (to permit your automatic tuning on CQ), check "Slave" > on the Mode panel and, afterwards, push the button "Answer". > > Both will push on the "AFC" button. > > > > Note: it rings on successful connexion (on both sides). > > > > 73 > > Patrick > > > > Related URL's > > > > HFLink Yahoo Group > > http://groups.yahoo.com/group/HFLink > <http://groups.yahoo.com/group/HFLink> > > > > HFLink > > http://www.hflink.org/ <http://www.hflink.org/> > > > > MultiPSK Website > > http://f6cte.free.fr/ <http://f6cte.free.fr/> > > > > ALE400 Software - A Test version has been available at > > http://f6cte.free.fr/MULTIPSK_TEST_28_10_2007.ZIP > <http://f6cte.free.fr/MULTIPSK_TEST_28_10_2007.ZIP> > > but like all test software it could be frequently updated. > > > > __________________________________________________ > > Do You Yahoo!? > > Tired of spam? Yahoo! Mail has the best spam protection around > > http://mail.yahoo.com <http://mail.yahoo.com> > > > > Announce your digital presence via our Interactive Sked Page at http://www.obriensweb.com/drsked/drsked.php Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/digitalradio/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/digitalradio/join (Yahoo! ID required) <*> To change settings via email: mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
