well there realy isnt any need for a hardware tnc anymore mixw dos soundcard packet beter than a hardware tnc with the rigblaster and is much easier to use with the waterfall.Multipsk does a lot and is my favorite program for most digital but for 300/1200 baud packet mixw has no equal.73,Norm. (kb9ygd) In digitalradio@yahoogroups.com, "Richard" <[EMAIL PROTECTED]> wrote: > > Hi Jon: > > I have tried sound-card packet but now use a TNC. Anyway here are some > tips: > 1) There are some nodes in my area that I can connect to but don't get > the any response because they are TCP/IP nodes and don't respond to my > AX25 TNC. > 2) Usually I can log into a node and when faced with a blank screen, I > enter "?" and then get back that it is an unrecognized command and > offers me a list of correct commands. > 3) The drive level from soundcard to radio can be "critical". Too much > or too little and the node will not "hear" you very well. I found it is > easy enough to get connected to a node but after that can get zero > response with wrong drive levels. Do a google search for "packet > deviation setting" - the articles are out there. > 4) Based on some internet articles I was able to set my drive level > properly this year. Actually, "under driving" (under deviation) is > better than "over deviation" (over driving). Over driving also requires > higher transmit powers to compensate for the receiving station not > being able to properly decode your signals. > 5) Watch out for ground loops when transmitting. Make sure your > computer case is grounded. I finally grounded my TNC also and cured a > lot of problems (RF feedback, AC induced hum on the signals etc.). > 6) I have a Yaesu FT-897 that lets me monitor my "modulation" which is > the same as FM deviation on packet signals. I started with a low > setting and then kept bumping it up (radio has adjustable settings - > but you could do it with soundcard drive level also) until I got a > reliable connection. When set properly I was suprised at the "low > deviation required" and I could also lower my RF power. In previous > years I cranked up the power to 25-50W to get to some outlying stations > but now can do it with 5W in some cases (when deviation is set > properly). > 7) As with anything, there is a bit odf a learning curve to packet > (soundcard or TNC) > > Go visit this link (tons of info on setup/problems etc.): > http://www.soundcardpacket.info > > Hope this helps. > 73 de va3rsa, Richard > > > > --- In digitalradio@yahoogroups.com, "Jon" <k4klb@> wrote: > > > > I'm in need of some help from someoone who is familliar with > > Rigblaster and Packet. I was exited when I got it up until the point > I > > hooked it all up. I then realised that there are no instructions how > > to operate the &*$! thing! I tried trial and error, no luck. I can > > connect to a node but if I try to enter the commands the node lists > > (don't know if doing it correctly) it does nothing. So far all I can > > do is watch beacons transmit and watch the same people get e- mail > > notifications. Is this all packet is cracked up to be? WOW, lots of > > fun. I'm starting to think I wasted $100 > > Someone help me, please. Reply via e-mail K4KLB@ > > >
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