Interface Output from the NCEP Aircraft Decoder

Mnemonic	Description	Units	Value
SLAT	Latitude	Degrees	rivals (irslat)
SLON	Longitude	Degrees	rivals (irslon)
DRCT	Wind direction	Degrees true	rivals (irdrct)
SKNT	Wind speed	Knots	rivals (irsknt)
TMPC	Temperature	Degrees Celsius	rivals (irtmpc)
DWPC	Dewpoint temperature	Degrees Celsius	rivals (irdwpc)
RELH	Relative humidity	Percent	rivals (irrelh)
SSTC	Sea surface temperature	Degrees Celsius	rivals (irsstc)
PMSL	Mean sea level pressure	Millibars	rivals (irpmsl)
FLVL	Flight level	Feet	rivals (irflvl)
PSAL	Pressure altitude	Feet	rivals (irpsal)
POAF	Phase of aircraft flight	WMO BUFR Table 008004	rivals (irpoaf)
ACNS	Aircraft navigation system	WMO Code Table 3866	rivals (iracns)
TADR	Aircraft data relay system	WMO Code Table 3867	rivals (irtadr)
PCAT	Precision of aircraft temperature	WMO Code Table 3868	rivals (irpcat)
MDEVG	Maximum derived equivalent vertical gust speed	Meters/second	rivals (irmdvg)
DAYW	Day of the week	WMO Code Table 4900	rivals (irdayw)
VSBY	Visibility	Miles	rivals (irvsby)
YEAR	Report year	Year	rivals (iryear)
MNTH	Report month	Month	rivals (irmnth)
DAYS	Report day	Day	rivals (irdays)
HOUR	Report hour	Hour	rivals (irhour)
MINU	Report minute	Minute	rivals (irminu)
WDIR1	Surface wind direction	Degrees true	rivals (irwdr1)
WSKT1	Surface wind speed	Knots	rivals (irwsk1)
VSIG	Vertical sounding significance	WMO BUFR Table 008001	rivals (irvsig)
PRES	Pressure	Millibars	rivals (irpres)
HGTM	Height	Meters	rivals (irhgtm)
NTRB	Number of turbulence levels	Numeric	rivals (irntrb)
DGOT	Degree of turbulence	Code Table	rivals (irdgot(1..NTRB))
FQOT	Frequency of turbulence	Code Table	rivals (irfqot(1..NTRB))
TPOT	Type of turbulence	Code Table	rivals (irtpot(1..NTRB))
HBOT	Height of base of turbulence	Feet	rivals (irhbot(1..NTRB))
HTOT	Height of top of turbulence	Feet	rivals (irhtot(1..NTRB))
NICG	Number of icing levels	Numeric	rivals (irnicg)
AFIC	Airframe icing	Code Table	rivals (irafic(1..NICG))
TPOI	Type of icing	Code Table	rivals (irtpoi(1..NICG))
HBOI	Height of base of icing	Feet	rivals (irhboi(1..NICG))
HTOI	Height of top of icing	Feet	rivals (irhtoi(1..NICG))
NPWX	Number of present weather levels	Numeric	rivals (irnpwx)
WCOD	Weather code	CCITT IA5	civals (icwcod(1..NPWX))
HBWX	Height of base of weather	Feet	rivals (irhbwx(1..NPWX))
HTWX	Height of top of weather	Feet	rivals (irhtwx(1..NPWX))
NCLD	Number of cloud levels	Numeric	rivals (irncld)
CLAM	Cloud amount	WMO BUFR Table 020011	rivals (irclam(1..NCLD))
CLTP	Cloud type	WMO BUFR Table 020012	rivals (ircltp(1..NCLD))
HCBF	Height of cloud base	Feet	rivals (irhcbf(1..NCLD))
HCTF	Height of cloud top	Feet	rivals (irhctf(1..NCLD))
ACID	Aircraft identifier	CCITT IA5	civals (icacid)
ACTP	Aircraft type	CCITT IA5	civals (icactp)
RPID	RECCO identifier	CCITT IA5	civals (icrpid)
RSID	PIREP reporting station identifier	CCITT IA5	civals (icrsid)