Low level testing of USB GPS receiver, Navibe?

Hi group,

Recently I bought my 4th GPS. It is a cheapo USB connected little
plastic box without any display or buttons etc. The brand is Navibe.

I use it in a Thinkpad laptop that has only USB 1.1. It comes with a
file that cretaes a virual com port by name Prolific USB-to-serial
Comm Port.
I could not get any signal at all when running it in SeaClear. Not
only would it not come up with any position, but when checking an
option in SeaClear called NMEA input monitor there is no datastream
at all. I have used SeaClear since years with a similar type GPS and I
have many times checked on that data stream.

So I took the Navibe back for a replacement. The second one seems just
as dead.

Now I wonder if there some other way to test the GPS?

I have uninstalled and reinstalled the driver, tried it on another
laptop to no avail, made sure that the GPS is in a position where it
is not obscured by anything.

Coud it be that such a GPS would only work with USB 2?


Lars
Stockholm
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