[Lowfer] Bug found and AFRICAM 4.3 available

[John Andrews]

> I'm using a PNP transistor to invert the GPS pulses, with the old
> diode-capacitor trick to maintain the negative voltage reference for the
> RS-232 ports. In my case, the diode is connected to pin 3, the Tx output.

I'm using a 26LS32 to take the differential 1PPS output from the HP Z3801A,
and feeding the TTL signal to a MAX232A RS-232 converter. That should be
pretty bulletproof (once you phase that differential input correctly).

John A.