How To Print Elements of Vector Tags?


I’m new to gnuradio and want to do some wireless communication
experiments with it. I played with OFDM examples (rx_ofdm.grc &
tx_ofdm.grc) and tried to use the TAG DEBUG block to retrieve the CFR
information generated during receiving procedure. Yet what TAG DEBUG
block outputs is the key-value pair, Key:ofdm_sync_chan_taps
Value:#, but not the elements of the CFR vector. Is
there any way
to print out the vector elements? Further more, is there any way to
record down
all tags in file?