At 07:39 09/02/99 -0500, you wrote:
>         I've been reading postings every once in a while stating that
PIClisters have
> connected RF transmitter directly to serial outputs to send data. I have
been
> using the Holtek series encoder/decoders to send data via a Ming transmitter
> and this works fine, but I have tried everything to get good data be sent
> using normal async serial data sent at 1200 baud. Looking at the data out
from
> the receiver with a logic probe it looks like I'm getting too much other

Have a look at your grounds- make sure they are all good short connections,
to one common (star) point.  And try to ground the 'scope or probe near the
receiver ground- all that significantly reduced the amount of spurious
noise that I saw on my system.

Nigel
--
Nigel Orr                  Research Associate   O   ______
        Underwater Acoustics Group,              o / o    \_/(
Dept of Electrical and Electronic Engineering     (_   <   _ (
     University of Newcastle Upon Tyne             \______/ \(