Meanderline means one of those pc board trace antennas that "wanders" a
bit - pretty common these days for WiFi etc since at a few GHz you only
need an inch or two.
Part 1 has not gotten to how they manage two feedpoints on one antenna
with good isolation which the interesting claim, but they only need
enough for multiple receivers, not TX from RX.
This is not in a technical journalm so these articles are probably more
to interest potential licensees - will need to look for their patent
apps for more substance.
Darrel J. Van Buer, AK6I
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