| Arecibo-Specific Binary Header |
| Keyword |
Value |
Description |
Comments |
| NMATRIX |
integer |
? |
required by sdfits |
| STIME |
real |
[ns] correlator sampling interval |
|
| STARTON |
0, 1, 10 |
Start on 0,1 or 10 sec tick |
|
| TTYPE |
CRVAL5 |
hours since midnight from obsdate [8A] |
|
| TTYPE |
JD |
julian day number at exposure start |
|
| TTYPE |
OFF_TIME |
seconds from midnight ast |
|
| TTYPE |
RATE_RA |
rate of change of ra in deg/s [1D] |
|
| TTYPE |
RATE_DEC |
rate of change of dec in deg/s [1D] |
|
| TTYPE |
RATE_CS |
coordinate system of rates [8A] |
|
| TTYPE |
RATE_DUR |
how long rate has been applied in s [1D] |
|
| TTYPE |
RATE_TIME |
from midnight ast in s [1D] |
|
| TTYPE |
CUR_TOL |
computed great circle tolerance in s [1D] |
|
| TTYPE |
REQ_TOL |
requested tolerance in s [1D] |
|
| TTYPE |
RAJ |
RAJ2000 back computed from az,za in deg [1D] |
|
| TTYPE |
DECJ |
dec J2000 back computed from az,za in deg [1D] |
|
| TTYPE |
ENC_TIME |
time when enc_az and enc_za measured [1J] |
|
| TTYPE |
PLAT_POWER |
power from platform meter [1D] |
|
| TTYPE |
CNTRL_POWER |
power from control room meter [1D] |
|
| TTYPE |
TOT_POWER |
scaled power in zero-lag [1D] |
|
| TTYPE |
SYN1 |
platform synthesizer in Hz [1D] |
|
| TTYPE |
SYNFREQ |
control room synthesizer in Hz [4D] |
|
| TTYPE52 |
NIFS |
number of ifs in this observation [1B] |
|
| TTYPE53 |
IFVAL |
which polarization, 0-1 or 0-3 for stokes [1B] |
|
| TTYPE54 |
ATTN_COR |
correlator attenuator 0-15 [1B] |
|
| TTYPE55 |
FLIP |
true is spectrum flipped [1B] |
|
| TTYPE56 |
WAPPNO |
WAPP number 0-3 or 0-7 for ALFA [1B] |
|
| TTYPE57 |
MASTER |
0 greg 1 carriage house [1B] |
|
| TTYPE58 |
ONSOURCE |
if onsource at enc_time [1B] |
|
| TTYPE59 |
BLANKING |
Blanking turned on [1B] |
|
| TTYPE60 |
LBWHYB |
LbandWide hybrid is in (for circular pol) [1B] |
|
| TTYPE61 |
SHCL |
true if receiver shutter closed [1B] |
|
| TTYPE62 |
SBSHCL |
true if sband receiver sutter closed [1B] |
|
| TTYPE63 |
RFNUM |
platform position of the receiver selector [1B] |
|
| TTYPE64 |
ZMNORMAL |
platform transfer sweitch to reverse channels [1B] |
|
| TTYPE65 |
RFATTN |
platform attenuator position [2B] |
|
| TTYPE66 |
IFNUM |
platform if selector, 1/300 2/750 3/1500 [1B] |
|
| TTYPE67 |
IFATTN |
platform IF attenuator positions [2B] |
|
| TTYPE68 |
FIBER |
true if platform fiber is chosen [1B] |
|
| TTYPE69 |
AC2SW |
platform ac poiwer to various instruments [1B] |
|
| TTYPE70 |
PHBSIG |
platrorm converter combiner signal phase adjust [1B] |
|
| TTYPE71 |
HYBRID |
platform converter combiner hybrid [1B] |
|
| TTYPE72 |
PHBLO |
platform convert combiner lo phase adjust [1B] |
|
| TTYPE73 |
XFNORMAL |
control room transfer switch true=deflt [1B] |
|
| TTYPE74 |
NOISE |
control room noise on [1B] |
|
| TTYPE75 |
GAIN |
gain of control room amps [2B] |
|
| TTYPE76 |
INPFRQ |
control room input distributor position [1B] |
|
| TTYPE77 |
MIXER |
control room mixer source switeches [4B] |
|
| TTYPE78 |
VLBAINP |
control room vlba input switch posiion [1B] |
|
| TTYPE79 |
AMPINP |
control room amplifier input source switches [4B] |
|
| TTYPE80 |
EXTINP |
control room external input selector switches [4B] |
|
| TTYPE81 |
SUNDEST |
control room synthesizer destinations [4B] |
|
| TTYPE82 |
CALSRC |
control room cal source bit [1B] |
|
| TTYPE83 |
VIS30MHZ |
control room greg 1 ch 0 [1B] |
|
| TTYPE84 |
PWRMET |
control room power meter input switch [1B] |
|
| TTYPE85 |
BLANK430 |
control room 430 blanking on [1B] |
|
| TTYPE86 |
FILL |
fill [7B] |
|
| THEAP |
|
byte off to strt of heap from btable strt |
|