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   53024
   We propose to observe a recently discovered radio-loud quasar,
   RXJ1459.9+3337 (z=0.65) which has a radio spectrum that is highly
   inverted and peaks at 30~GHz. The level of synchotron self-absorption
   implied by this extreme source makes it the most compact radio source
   known. We wish to establish if the X-ray spectrum is similar to other
   radio-loud quasars and whether the high energy densities implied in the
   core of the object result in X-ray absorption.
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