CUSIP,     # Bond identifier
SEQNO,     # Tick identifier
RTC,       # Tick identifier per security
ACTIVE,    # A (active), N (off-the-run), W (when issued)
ALIAS,     # CMG (cash management), 3M, 6M, 1Y, 2Y, 3Y, 5Y, 7Y, 10Y, 20Y, 30Y
COUPON,    # Coupon (in percent)
MATDATE,   # Maturity date
TIME,      # Time of each bid and offer (within the day)
BIDPRC,    # actual bid at that time:
           # - decimal price for issued notes and bonds
           # - yield for "when-issued" issues
           # - discount yield for for Treasury bills
BIDYLD,    # Bid yield
BIDSIZE,   # Bid size, in millions
ASKPRC,    # Analogous values for the ask price
ASKYLD,    # Analogous values for the ask price
ASKSIZE,   # Analogous values for the ask price
LTSIDE,    # Last trade side (a hit or a take)
LTPRC,     # Last trade price
LTYLD,     # Last trade yield
LTSIZE,    # Last trade size
CHWPRC,    # current hit workup price
CHWYLD,    # current hit workup yield
CHWSIZE,   # current hit workup size
CTWPRC,    # current take workup price
CTWYLD,    # current take workup yield
CTWSIZE,   # current take workup size
VOL,       # aggregate trading volume in millions
INDBID,    # indicative bid price (what GovPX "thinks" the bid price should be)
INDBYLD,   # indicative bid yield 
INDASK,    # indicative ask price
DATE       # current date