Rick: Sounds to me like you are using the PCB trace antennas. If so, a piece of wire of the right length (I remember 3.2" or something similar) instead, with the selection resistor removed, should help a lot.
Bruce > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Rick > Schneeman > Sent: Thursday, August 01, 2002 9:14 AM > To: [EMAIL PROTECTED] > Subject: [Tinyos-help] Mica range and consistency.... > > > I am using the data logging application (in four mica motes w/sb attached) > as is from the tutorial source/application sense_and_log. I have given each > node a unique id via the install.XX make command. I am using the most > current 0.6.1 tinyOS distro. I have two problems, (1) after I run the > applications for a while (say 10 minutes) and occasionally inject led_on > packets it works for only a short while then does not respond anymore to the > injected packets. (2) the range on the mica nodes seems to me to be > extremely small. I inject a radio_louder command to all nodes and then > inject the led_on command. However, the nodes routing the command to each > other is done rather inconsistently. Sometimes it works and sometimes it > doesn't. They are within 3 ft of each other. It also seems to matter how you > angle the device. Are there any RF updates or anything I can check to > increase the range and consistency of the routing? > > Thanks for any help, > > Rick Schneeman > > > _______________________________________________ > Tinyos-help mailing list > [EMAIL PROTECTED] > http://mail.Millennium.Berkeley.EDU/mailman/listinfo/tinyos-help > _______________________________________________ Tinyos-users mailing list [EMAIL PROTECTED] http://mail.Millennium.Berkeley.EDU/mailman/listinfo/tinyos-users
