@Z_BOXTEXT = Update Procedure

@Z_BOXTEXT = Receive Process

@Z_BOXTEXT = Local Clock Process

@Z_BOXTEXT = Transmit Process

@Z_BOXTEXT = Network



@Z_CAPTION = 

@Z_TBL_BEG = COLUMNS(3), DIMENSION(IN), WIDTH(4.1700), HGUTTER(.5000), 
BOX(Z_SINGLE), KEEP(OFF), ALIGN(CT)

@Z_TBL_BODY = TABLE TEXT, TABLE TEXT, TABLE TEXT

 June 1972,  Dec. 1972,  Dec. 1973

  Dec. 1974,  Dec. 1975,  Dec. 1976

  Dec. 1977, Dec. 1978,    Dec. 1979

    June 1981, June 1982,  June 1983

@Z_TBL_BODY = TABLE HEADER, TABLE HEADER, TABLE HEADER

 June 1985, Dec. 1987, 

@Z_TBL_END = 



@Z_CAPTION = 

@Z_TBL_BEG = COLUMNS(3), DIMENSION(IN), COLWIDTHS(E3,E2,E2), WIDTH(5.0000), 
HGUTTER(.3330), BOX(Z_SINGLE), KEEP(OFF), ALIGN(CT), L1(R1C0..R1C3)

@Z_TBL_BODY = TABLE HEADER, TABLE HEADER, TABLE HEADER

System Variables, Name, Procedure

@Z_TBL_BODY = TABLE TEXT, TABLE TEXT, TABLE TEXT

Leap Indicator, sys.leap, clock update

Stratum, sys.stratum, clock update

Precision, sys.precision, system

Synchronizing Distance, sys.distance, clock update

Synchronizing Dispersion, sys.dispersion, clock update

Reference Clock Identifier, sys.refid, clock update

Reference Timestamp, sys.reftime, clock update

Logical Clock, sys.clock, clock update

@Z_TBL_BODY = TABLE HEADER, TABLE HEADER, TABLE HEADER

Clock Hold, sys.hold, clock update

Clock Source, sys.peer, selection

@Z_TBL_END = 



@CENTER = 

@Z_CAPTION = 

@Z_TBL_BEG = COLUMNS(3), DIMENSION(IN), COLWIDTHS(E3,E2,E2), WIDTH(5.0000), 
HGUTTER(.3330), BOX(Z_SINGLE), KEEP(OFF), ALIGN(CT), L1(R1C0..R1C3)

@Z_TBL_BODY = TABLE HEADER, TABLE HEADER, TABLE HEADER

Peer Variables, Name, Procedure

@Z_TBL_BODY = TABLE TEXT, TABLE TEXT, TABLE TEXT

Configured Bit, peer.config, initialization

Authentication Enabled Bit, peer.authenable, initialization

Authentication Bit, peer.authentic, receive

Peer Address, peer.srcadr, receive

Peer Port, peer.srcport, receive

Local Address, peer.dstadr, receive

Local Port, peer.dstport, receive

Leap Indicator, peer.leap, packet

Host Mode, peer.hmode, packet

Stratum, peer.stratum, packet

Peer Poll Interval, peer.ppoll, packet

Host Poll Interval, peer.hpoll, poll update

Precision, peer.precision, packet

Synchronizing Distance, peer.distance, packet

Synchronizing Dispersion, peer.dispersion,  packet

Reference Clock Identifier, peer.refid, packet

Reference Timestamp, peer.reftime, packet

Originate Timestamp, peer.org, packet,, clear

Receive Timestamp, peer.rec, packet,, clear

Transmit Timestamp, peer.xmt, transmit,, clear

Reachability Register, peer.reach, packet,, transmit,, clear

Valid Data Counter, peer.valid, packet,, transmit,, clear

Peer Timer, peer.timer, receive,, transmit,, poll update

Filter Register, peer.filter, filter,, clear

@Z_TBL_BODY = TABLE HEADER, TABLE TEXT, TABLE TEXT

Delay Estimate, peer.estdelay, filter

@Z_TBL_BODY = TABLE HEADER, TABLE HEADER, TABLE HEADER

Offset Estimate, peer.estoffset, filter

@Z_TBL_BODY = TABLE HEADER, TABLE TEXT, TABLE TEXT

Dispersion Estimate, peer.estdisp, filter

@Z_TBL_END = 



@CENTER = 

@Z_CAPTION = 

@Z_TBL_BEG = COLUMNS(3), DIMENSION(IN), COLWIDTHS(E3,E2,E2), WIDTH(5.0000), 
HGUTTER(.3330), BOX(Z_SINGLE), KEEP(OFF), ALIGN(CT), L1(R1C0..R1C3)

@Z_TBL_BODY = TABLE HEADER, TABLE HEADER, TABLE HEADER

Packet Variables, Name, Procedure

@Z_TBL_BODY = TABLE TEXT, TABLE TEXT, TABLE TEXT

Peer Address, pkt.srcadr, transmit

Peer Port, pkt.srcport, transmit

Local Address, pkt.dstadr, transmit

Local Port, pkt.dstport, transmit

Leap Indicator, pkt.leap, transmit

Version Number, pkt.version, transmit

Peer Mode, pkt.pmode, transmit

Stratum, pkt.stratum, transmit

Peer Poll Interval, pkt.ppoll, transmit

Precision, pkt.precision, transmit

Synchronizing Distance, pkt.distance, transmit

Synchronizing Dispersion, pkt.dispersion, transmit

Reference Clock Identifier, pkt.refid, transmit

Reference Timestamp, pkt.reftime, transmit

Originate Timestamp, pkt.org, transmit

@Z_TBL_BODY = TABLE HEADER, TABLE HEADER, TABLE HEADER

Receive Timestamp, pkt.rec, transmit

@Z_TBL_BODY = TABLE HEADER, TABLE TEXT, TABLE TEXT

Transmit Timestamp, pkt.xmt, transmit

@Z_TBL_END = 

@CENTER = 

@Z_CAPTION = 

@Z_TBL_BEG = COLUMNS(3), DIMENSION(IN), COLWIDTHS(E3,E3,E2), WIDTH(5.0000), 
HGUTTER(.3330), BOX(Z_SINGLE), KEEP(OFF), ALIGN(CT), L1(R1C0..R1C3)

@Z_TBL_BODY = TABLE HEADER, TABLE HEADER, TABLE HEADER

Parameters, Name, Value

@Z_TBL_BODY = TABLE TEXT, TABLE TEXT, TABLE TEXT

Version Number, NTP.VERSION, 2

NTP Port, NTP.PORT, 123

Max Stratum, NTP.INFIN, 15

Max Clock Age, NTP.MAXAGE, 86,400 sec

Max Skew, NTP.MAXSKW, .01 sec

Min Distance, NTP.MINDIST, .02 sec

Min Polling Interval, NTP.MINPOLL, 6 (64 sec)

Max Polling Interval, NTP.MAXPOLL, 10 (1024 sec)

Reachability Register Size, NTP.WINDOW, 8

Max Select Weight, NTP.MAXWGT, 8

Max Select Size, NTP.MAXLIST,  5

 Max Select Strata, NTP.MAXSTRA, 2

Select Weight, NTP.SELECT, <M^>3<D>/<MV>4<D>

@Z_TBL_BODY = TABLE HEADER, TABLE HEADER, TABLE HEADER

Filter Size, PEER.SHIFT, 4 or 8

@Z_TBL_BODY = TABLE HEADER, TABLE TEXT, TABLE TEXT

Max Filter Dispersion, PEER.MAXDISP, 64 sec

Filter Threshold, PEER.THRESHOLD, <M^>1<D>/<MV>2<D>

@Z_TBL_BODY = TABLE HEADER, TABLE HEADER, TABLE HEADER

Filter Weight, PEER.FILTER, <M^>1<D>/<MV>2<D>

@Z_TBL_END = 

@CENTER = 

@Z_CAPTION = 

@Z_TBL_BEG = COLUMNS(6), DIMENSION(IN), WIDTH(5.0000), HGUTTER(.1670), 
BOX(Z_SINGLE), KEEP(OFF), ALIGN(CT), L1(R1C0..R1C6), L1(R0C1..R6C1)

@Z_TBL_BODY = TABLE CENTER, TABLE CENTER, TABLE CENTER, TABLE CENTER, 
TABLE CENTER, TABLE CENTER

host<F128M><142><F255D><R>
peer<F128M><143><F255D>, sym act<R>
1, sym pas<R>
2, client<R>
3, server<R>
4, bcst<R>
5

@Z_TBL_BODY = TABLE TEXT, TABLE TEXT, TABLE TEXT, TABLE TEXT, TABLE 
TEXT, TABLE TEXT

sym act, recv, pkt, recv<M^>2<D>, xmit<M^>2<D>, xmit<M^>1,2<D>

sym pas, recv, error, recv<M^>2<D>, error, error

client, xmit<M^>2<D>, xmit<M^>2<D>, error, xmit, xmit<M^>1<D>

server, recv<M^>2<D>, error, recv, error, error

@Z_TBL_BODY = TABLE HEADER, TABLE HEADER, TABLE HEADER, TABLE HEADER, 
TABLE HEADER, TABLE HEADER

bcst, recv<M^>1,2<D>, error, recv<M^>1<D>, error, error

@Z_TBL_END = 

@INDENT HEAD = Notes:

@INDENT HEAD = 1.

@INDENT = A broadcast server responds directly to the client  with 
pkt.org and pkt.rec containing correct values. At other times the 
server simply broadcasts the local time with pkt.org and pkt.rec set 
to zero.

@INDENT HEAD = 2.

@INDENT = Ordinarily, these mode combinations would not be used; however, 
within the limits of the specification, they would result in correct 
time.

@INDENT HEAD = 

@Z_CAPTION = 

@Z_BOXTEXT = <MI>t<MV>2<D>

@Z_BOXTEXT = <MI>t<MV>3<D>

@Z_BOXTEXT = <MI>t<MV>6<D>

@Z_BOXTEXT = <MI>t<MV>7<D>

@Z_BOXTEXT = <MI>t<MV>1<D>

@Z_BOXTEXT = <MI>t<MV>4<D>

@Z_BOXTEXT = <MI>t<MV>5<D>

@Z_BOXTEXT = <MI>t<MV>8<D>

@Z_BOXTEXT = Peer

@Z_BOXTEXT = Host



@Z_CAPTION = 

@Z_TBL_BEG = COLUMNS(3), DIMENSION(IN), COLWIDTHS(E3,E3,E2), WIDTH(5.5000), 
HGUTTER(.1670), BOX(Z_SINGLE), KEEP(OFF), ALIGN(CT), L1(R1C0..R1C3)

@Z_TBL_BODY = TABLE HEADER, TABLE HEADER, TABLE HEADER

Oscillator type, Stability (per day), Drift /Aging (per day)

@Z_TBL_BODY = TABLE TEXT, TABLE TEXT, TABLE TEXT

Hydrogen maser, 2 x 10<M^>-14<D>, 1 x 10<M^>-12<D>/yr

Cesium beam,  3 x 10<M^>-13<D>, 3 x 10<M^>-12<D>/yr

Rubidium gas cell, 5 x 10<M^>-12<D>, 3 x 10<M^>-11<D>/mo

Oven-controlled crystal, 1 x 10<M^>-9<D> 0-50 deg C, 1 x 10<M^>-10<D>

Digital-comp crystal, 5 x 10<M^>-8<D>  0-60 deg C, 1 x 10<M^>-9<D>

Temp-compensated crystal, 5 x 10<M^>-7<D> 0-60 deg C, 3 x 10<M^>-9<D>

@Z_TBL_BODY = TABLE HEADER, TABLE HEADER, TABLE HEADER

Uncompensated crystal, ~1 x 10<M^>-6<D> per deg C, don't ask

@Z_TBL_END = 



@Z_CAPTION = 

@Z_BOXTEXT = Osc 

@Z_BOXTEXT = <MI>x<MIV>i<MI> <D>+

@Z_BOXTEXT = e<MV>i<D>

@Z_BOXTEXT = d<MV>i<D>

@Z_BOXTEXT = Osc

@Z_BOXTEXT = <MI>c<MIV>i<MV> <D><196><MV>

@Z_BOXTEXT = Clock Filter

@Z_BOXTEXT = Loop Filter

@Z_BOXTEXT = <MI>d<MIV>i-1<D>

@Z_BOXTEXT = <MI>e<MIV>i<D>



@Z_CAPTION = 

@Z_BOXTEXT = Clock  (48)

@Z_BOXTEXT = Clock-Adjust (32)

@Z_BOXTEXT = Counter (16)

@Z_BOXTEXT = Drift-Compensation (32)

@Z_BOXTEXT = 16

@Z_BOXTEXT = 32

@Z_BOXTEXT = Compliance (32)

@Z_BOXTEXT = decimal alignment

@Z_BOXTEXT = 16



@Z_CAPTION = 

@Z_TBL_BEG = COLUMNS(4), DIMENSION(IN), COLWIDTHS(E2,E2,E1,E1), WIDTH(5.5000), 
HGUTTER(.1670), BOX(Z_SINGLE), KEEP(OFF), ALIGN(CT), L1(R1C0..R1C4)

@Z_TBL_BODY = TABLE HEADER, TABLE HEADER, TABLE HEADER, TABLE HEADER

Parameter, Name, Crystal, Mains

@Z_TBL_BODY = TABLE TEXT, TABLE TEXT, TABLE TEXT, TABLE TEXT

Update Interval, CLOCK.UPDATE, 8, 8

Adjustment Interval, CLOCK.ADJ, 2, 0

Frequency Weight, CLOCK.FREQ, 10, 10

Phase  Weight, CLOCK.PHASE, 8,  6

Compliance  Weight, CLOCK.TRACK, 8, not used

Compliance Maximum, CLOCK.COMP, 4, not used

Compliance Mask, CLOCK.MASK, 37<MV>8<D>, not used

@Z_TBL_BODY = TABLE HEADER, TABLE HEADER, TABLE HEADER, TABLE HEADER

Maximum Aperture, CLOCK.MAX,  <F128M><145><F255D> 0.128, <F128M><145><F255D> 0.512

@Z_TBL_END = 



@Z_CAPTION = 

@Z_BOXTEXT = LI

@Z_BOXTEXT = VN

@Z_BOXTEXT = Mode

@Z_BOXTEXT = Precision

@Z_BOXTEXT = Synchronizing Distance (32)

@Z_BOXTEXT = Poll Interval

@Z_BOXTEXT = Synchronizing Dispersion (32)

@Z_BOXTEXT = Transmit Timestamp (64)

@Z_BOXTEXT = Reference Timestamp (64)

@Z_BOXTEXT = Originate Timestamp (64)

@Z_BOXTEXT = Receive Timestamp (64)

@Z_BOXTEXT = Stratum

@Z_BOXTEXT = Reference Identifier (32)

@Z_BOXTEXT = 0

@Z_BOXTEXT = 31

@Z_BOXTEXT = 8

@Z_BOXTEXT = 16

@Z_BOXTEXT = 24

@Z_BOXTEXT = Authenticator (optional) (96)



@Z_CAPTION = 

@Z_BOXTEXT = 00

@Z_BOXTEXT = VN

@Z_BOXTEXT = 6

@Z_BOXTEXT = Sequence 

@Z_BOXTEXT = Status

@Z_BOXTEXT = Op

@Z_BOXTEXT = Data (468 octets max)<R>


@Z_BOXTEXT = REM

@Z_BOXTEXT = Authenticator (optional) (96)

@Z_BOXTEXT = Association ID

@Z_BOXTEXT = 0

@Z_BOXTEXT = 31

@Z_BOXTEXT = 8

@Z_BOXTEXT = 16

@Z_BOXTEXT = 24

@Z_BOXTEXT = Offset

@Z_BOXTEXT = Count

@Z_BOXTEXT = Padding (zeros)



@Z_CAPTION = 

@Z_BOXTEXT = LI

@Z_BOXTEXT = Peer Status

@Z_BOXTEXT = Clock Status

@Z_BOXTEXT = Error Code

@Z_BOXTEXT = Event Count

@Z_BOXTEXT = Event Count

@Z_BOXTEXT = Reserved

@Z_BOXTEXT = System Status Word

@Z_BOXTEXT = Peer Status Word

@Z_BOXTEXT = Radio Status Word

@Z_BOXTEXT = Error Status Word

@Z_BOXTEXT = Event Code

@Z_BOXTEXT = Event Code

@Z_BOXTEXT = Event Code

@Z_BOXTEXT = Clock Source 

@Z_BOXTEXT = Select

@Z_BOXTEXT = 0

@Z_BOXTEXT = 6

@Z_BOXTEXT = 8

@Z_BOXTEXT = 12

@Z_BOXTEXT = 15

@Z_BOXTEXT = 0

@Z_BOXTEXT = 2

@Z_BOXTEXT = 8

@Z_BOXTEXT = 12

@Z_BOXTEXT = 15

@Z_BOXTEXT = 0

@Z_BOXTEXT = 8

@Z_BOXTEXT = 15

@Z_BOXTEXT = 0

@Z_BOXTEXT = 8

@Z_BOXTEXT = 15



@Z_CAPTION = 

@Z_BOXTEXT = Crypto-Checksum (64)

@Z_BOXTEXT = 0

@Z_BOXTEXT = 31

@Z_BOXTEXT = 8

@Z_BOXTEXT = 16

@Z_BOXTEXT = 24

@Z_BOXTEXT = Key Identifier (32)



@Z_CAPTION =