Frank (et.al.),
I've been very happy with my 8-port GPS Networking brand unit. It's
amplified so you don't incur splitting loss, it supplies 5V to the antenna
from an external DC source while blocking DC from the individual units (but
puts a 200 ohm load on each port so the receivers don't think
If you don't need them to be in phase, you could just daisy chain them.
What I do is use a couple of BNC tee connectors, two pieces of coax, and a
50 ohm terminator on the last tee. First coax from GPSDO to first tee,
second coax between tees. Simple and works fine for my purposes.
If phase is
