KVN Images of MRK421 IMOGABA9

VLBA 15GHz Images (MOJAVE)
VLBA 43GHz Images (Boston Univ.)
Fermi GST gamma-ray light curves
K-band Image of   MRK421 from IMOGABA9 Q-band Image of   MRK421 from IMOGABA9
W-band Image of   MRK421 IMOGABA9 D-band Image of   MRK421 IMOGABA9