Session 13

Pilot Projects

Graham Appleby, Mark Torrence

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

3

Har

mon

izat

ion

of Q

C R

esul

ts(O

ct 2

003)

Van

Hus

son

(HT

SI)

ILR

S C

entr

al B

urea

u

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

3

QC

Har

mon

izat

ion

Goa

ls1.

Det

erm

ine

abso

lute

sta

tion

bias

es a

nd a

ny c

hang

es

2. Q

uick

com

mun

icat

ion

of a

pro

blem

3. D

evel

op a

con

solid

ated

bia

s re

port

4. C

omm

unic

ate/

docu

men

t a s

yste

m p

erfo

rman

ce p

robl

em

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

3

Ter

ms

•Q

C –

qua

lity

cont

rol b

ased

on

wee

kly

LA

GE

OS

repo

rts

•R

B –

ran

ge b

ias

•T

B –

tim

e bi

as

•E

OP/

POS

– 28

-day

EO

P an

d co

ordi

nate

solu

tions

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

3

Wha

t’s

New

•A

dded

CR

L a

nd D

elft

QC

Res

ults

to G

loba

l Rep

ort C

ard

•C

SR, M

CC

, Del

ft, a

nd C

RL

QC

res

ults

sto

red

in O

racl

eda

taba

se (

90%

aut

omat

ed)

–M

onth

ly a

vera

ges

com

pute

d

–B

y ye

ar’s

end

, pub

lish

RB

& T

B ti

me-

seri

es f

or e

ach

site

on

MyS

tation

Perf

orman

ce.C

OM

•T

wo-

colo

r an

alys

is r

esul

ts (

e.g.

Zim

mer

wal

d an

d T

IGO

)

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

3B

ias

Det

erm

inat

ion

Wee

kly

QC

Rep

orts

Coo

rdin

ates

Set

s

Nor

mal

Poi

nts

• R

ange

Bia

ses

• T

ime

Bia

ses

• Po

sitio

ns•

Vel

ociti

es

• E

poch

s an

d R

ange

•

Syst

em D

elay

• C

al. &

Sat

. RM

Ss

• M

et. D

ata

Site

Log

s•

Con

figu

ratio

ns•

Site

Ide

ntif

iers

• E

ccs

AC

prov

ided

Stat

ion

prov

ided

ILR

S K

now

ledg

e B

ase

Cau

ses

and

thei

r E

ffect

sM

odel

ing

Err

ors

Sys.

Cal

ibra

tion

Err

ors

Mag

nitu

de, d

urat

ion

and

sour

ce o

f bi

as

Dat

a Co

rrec

tion

s Fi

le

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

3M

odel

ing

Lim

itatio

nsin

abs

olut

e R

B D

eter

min

atio

n•

Prim

e–

Stat

ion

Posi

tions

•Se

cond

ary

–St

atio

n B

iase

s–

Geo

cent

er–

Tro

posp

here

–A

tmos

pher

ic P

ress

ure

Loa

ding

–Sa

telli

te C

oM–

GM

–T

empo

ral a

nd S

patia

l Dat

a D

istr

ibut

ion

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

3

QC

Res

ults

(W

eekl

y A

naly

sis)

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

3

Coo

rdin

ate

Syst

ems M

arch

200

0M

CC

00L

01M

CC

Jan

2002

ITR

F200

0D

elft

1995

CSR

95L

01C

SR

2001

ITR

F200

0C

RL

Impl

emen

tati

onC

oord

inat

esA

naly

sis

Cen

ter

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

3

NP

RM

Ss (3

rd Q

uart

er 2

003)

02468101214161820Hartebeesthoek

Monument Peak

Concepcion Blue

Graz

McDonald

Riyadh

Greenbelt

Matera

Herstmonceux

Yarragadee

Potsdam3

Tahiti

Wettzell

Zimmerwald Blue

Zimmerwald IR

Riga

Haleakala

Grasse (LLR)

Arequipa

Potsdam

Metsahovi2

Borowiec

Changchun

Simosato

Shanghai

Maidanak1

Urumqi

Simeiz

NP RMS(mm)

CS

R

MC

C

Del

ft

CR

L

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

3

2003

RB

Sta

bilit

y

0

10203040

Herstmonceux

Yarragadee

Graz

Monument Peak

Grasse (LLR)

Zimmerwald

McDonald

Riyadh

Greenbelt

Hartebeesthoek

Wettzell

Haleakala

Potsdam

Shanghai

Concepcion

Changchun

Riga

Borowiec

Simosato

Maidanak1

Bias Stability(mm)

CS

R

MC

CD

elft

CR

L

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

3

2003

RB

Est

imat

es

-100-80

-60

-40

-20020406080100

Hartebeesthoek

Changchun

Shanghai

Yarragadee

Riga

Zimmerwald

Potssam3

Potsdam

Graz

Herstmonceux

Grasse

Grasse LLR

Matera

Wettzell

Riyadh

McDonald

Greenbelt

Monument Peak

Tahiti

Haleakala

RB Estimates(mm)

CS

RM

CC

CR

LD

elft

Asia

Afr

ica

Aus

tralia

Euro

pe

N. Amer

ica

Pacific

Mid

Eas

t

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

3

Del

ft v

s C

RL

RB

Com

pari

son

•Si

nce

2002

, Del

ft a

nd C

RL

hav

e be

en u

sing

ITR

F200

0 co

ordi

nate

s w

ith a

few

exce

ptio

ns–

Not

able

exc

eptio

ns a

re:

•R

iyad

h 7

832

(bot

h us

e th

eir

own)

•Sh

angh

ai 7

837

(Del

ft u

ses

thei

r ow

n)

•H

arte

bees

thoe

k 75

01 (

CR

L u

ses

thei

r ow

n)

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

3

2003

(C

RL

– D

elft

) R

Bs

-40

-30

-20

-10010203040

Hartebeesthoek

Changchun

Shanghai

Yarragadee

Tahiti

Zimmerwald

Riga

Potsdam

Graz

Herstmonceux

Wettzell

Grasse LLR

Grasse

Riyadh

McDonald

Greenbelt

Monument Peak

Haleakala

RB Difference (mm)

Dif

fere

nt

coo

rdin

ates

-2.7

mm

mea

n di

ffer

ence

> D

elft

pre

ssur

e tr

unca

tion

som

e re

gion

al c

orre

lati

ons

in t

he d

iffe

renc

es

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

3

-100-80

-60

-40

-20020406080

100

01-Oct-99

01-Jan-00

01-Apr-00

01-Jul-00

01-Oct-00

01-Jan-01

01-Apr-01

01-Jul-01

01-Oct-01

01-Jan-02

01-Apr-02

01-Jul-02

01-Oct-02

01-Jan-03

01-Apr-03

01-Jul-03

RB(mm)

CS

RC

RL

MC

CD

elft

-100-80

-60

-40

-20020406080100

01-Oct-99

01-Jan-00

01-Apr-00

01-Jul-00

01-Oct-00

01-Jan-01

01-Apr-01

01-Jul-01

01-Oct-01

01-Jan-02

01-Apr-02

01-Jul-02

01-Oct-02

01-Jan-03

01-Apr-03

01-Jul-03

Range Bias(mm)

CS

RC

RL

MC

CD

elft

-100-80

-60

-40

-20020406080

100

01-Oct-99

01-Jan-00

01-Apr-00

01-Jul-00

01-Oct-00

01-Jan-01

01-Apr-01

01-Jul-01

01-Oct-01

01-Jan-02

01-Apr-02

01-Jul-02

01-Oct-02

01-Jan-03

01-Apr-03

01-Jul-03

RB(mm)

CS

RC

RL

MC

CD

elft

-100-80

-60

-40

-20020406080100

01-Oct-99

01-Jan-00

01-Apr-00

01-Jul-00

01-Oct-00

01-Jan-01

01-Apr-01

01-Jul-01

01-Oct-01

01-Jan-02

01-Apr-02

01-Jul-02

01-Oct-02

01-Jan-03

01-Apr-03

01-Jul-03

RB(mm)

CS

RC

RL

MC

CD

elft

QC

Res

ults

Her

stm

once

uxGr

az

Yarr

agad

eeM

onum

ent

Peak

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

3Q

C R

esul

ts

-100-80

-60

-40

-20020406080100

01-Oct-99

01-Jan-00

01-Apr-00

01-Jul-00

01-Oct-00

01-Jan-01

01-Apr-01

01-Jul-01

01-Oct-01

01-Jan-02

01-Apr-02

01-Jul-02

01-Oct-02

01-Jan-03

01-Apr-03

01-Jul-03

RB(mm)

CS

RC

RL

MC

CD

elft

Gras

se L

LR-1

00-80

-60

-40

-20020406080100

01-Oct-99

01-Jan-00

01-Apr-00

01-Jul-00

01-Oct-00

01-Jan-01

01-Apr-01

01-Jul-01

01-Oct-01

01-Jan-02

01-Apr-02

01-Jul-02

01-Oct-02

01-Jan-03

01-Apr-03

01-Jul-03

RB(mm)

CS

RC

RL

MC

CD

elft

McD

onal

d

-100-80

-60

-40

-20020406080100

01-Oct-99

01-Jan-00

01-Apr-00

01-Jul-00

01-Oct-00

01-Jan-01

01-Apr-01

01-Jul-01

01-Oct-01

01-Jan-02

01-Apr-02

01-Jul-02

01-Oct-02

01-Jan-03

01-Apr-03

01-Jul-03

RB(mm)

CS

RC

RL

MC

CD

elft

Gree

nbel

t-1

00-80

-60

-40

-20020406080100

01-Oct-99

01-Jan-00

01-Apr-00

01-Jul-00

01-Oct-00

01-Jan-01

01-Apr-01

01-Jul-01

01-Oct-01

01-Jan-02

01-Apr-02

01-Jul-02

01-Oct-02

01-Jan-03

01-Apr-03

01-Jul-03

RB(mm)

CS

RC

RL

MC

CD

elft

Wet

tzel

l

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

310

mm

Sea

sona

lV

aria

tions

in R

B E

stim

atio

n

-40

-30

-20

-100

10

20

30

40

Jan-99

Mar-99

May-99

Jul-99

Sep-99

Nov-99

Jan-00

Mar-00

May-00

Jul-00

Sep-00

Nov-00

Jan-01

Mar-01

May-01

Jul-01

Sep-01

Nov-01

Jan-02

Mar-02

CSR RB(mm)

Gra

z (7

83

9)

He

rstm

on

ceu

x (7

84

0)

Zim

me

rwa

ld (

78

10

)

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

3

EO

P/PO

S Pi

lot P

roje

ct 1

999

Ran

ge B

ias

Est

imat

ion

Res

ults

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

3

1999

EO

P/P

OS

RB

Est

imat

es

-50

-40

-30

-20

-1001020304050

Monument Peak

McDonald

Greenbelt

Hertsmonceux

Grasse

Grasse(LLR)

Zimmerwald

Graz

Wettzell

Potsdam

Borowiec

Maidanak (+100mm)

Yarragadee

Changchun

Shanghai

Koganei

Tateyama

Mt. Stromlo

Haleakala

RB(mm)

CS

R

CR

L

AS

I

'Zer

o Line

'M

arini-

Mur

ray

Trop

osph

ere

LAGE

OS

CoM

251

mm

GM 3

9860

0.44

15 k

m3/

s2

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

3

1999

RB

s D

iffe

renc

esfr

om E

OP/

POS

RB

agr

eem

ent t

o th

e fe

w m

m le

vel.

-30

-20

-100102030

MonumentPeak

McDonald

Greenbelt

Hertsmonceux

Grasse

Grasse(LLR)

Zimmerwald

Graz

Wettzell

Changchun

Shanghai

Yarragadee

Mt. Stromlo

RB Differences(mm)

CS

R

CR

L

AS

I

'Zer

o Line

'Ave

rage

Site'

s RB

Hon

eyw

ell T

echn

olog

y S

olut

ions

Inc

Har

mon

izat

ion

of Q

C R

esul

tsW

ettz

ell,

Ger

man

y, O

ct 2

6-27

, 200

3Q

C C

oncl

usio

ns•

Act

ion

Item

s–

Prop

er m

anag

emen

t of

2-co

lor

resu

lts•

MC

C (

anal

ysis

and

rep

ortin

g)•

CSR

(ad

d a

wav

elen

gth

flag

)•

Del

ft (

repo

rtin

g on

ly, d

o no

t use

FA

KE

CD

P#)

–D

elft

impl

emen

t the

new

TD

F pr

ogra

m C

SR’s

QC

coor

dina

tes

need

to b

e re

fres

hed

–A

ll ce

nter

s ne

ed to

doc

umen

t any

upd

ates

in s

iteco

ordi

nate

s–

Inve

stig

ate

TB

tren

ds (

Hus

son)

•T

rend

sim

ilari

ties

are

exce

llent

•E

vide

nce

of s

easo

nal w

iggl

es in

the

RB

s•

Peak

-to-

peak

var

iatio

ns h

ave

been

min

imiz

ed–

Bia

s es

timat

es s

ince

200

2 ag

ree

to b

ette

r th

an 2

0mm

Godd

ard

Godd

ard

Spac

eSp

ace

Flig

ht

Flig

htCe

nter

Cent

er

IER

S/IL

RS

CR

C P

roje

ctIE

RS

/ILR

S C

RC

Pro

ject

Con

trib

utio

nC

ontr

ibut

ion

JCE

T/G

SF

C R

epor

tJC

ET

/GS

FC

Rep

ort

Err

icos

E

rric

os C

. C

. Pav

lisP

avlis

2003

ILR

S W

orks

hop

2003

ILR

S W

orks

hop

Oct

ober

28-

31, 2

003

Oct

ober

28-

31, 2

003

Oct

. 26

, 20

03O

ct.

26,

2003

E C

E

C P

avlis

Pav

lis

Godd

ard

Godd

ard

Spac

eSp

ace

Flig

ht

Flig

htCe

nter

Cent

er

CR

C C

ontr

ibut

ions

CR

C C

ontr

ibut

ions

••F

our

year

s of

F

our

year

s of

wee

kly

wee

kly

ILR

S S

INE

X fi

les

ILR

S S

INE

X fi

les

••T

he fi

les

cont

ain

PO

S+

EO

P

The

file

s co

ntai

n P

OS

+E

OP

only

only

––M

odel

ing

is s

imila

r to

cas

e D

of I

LRS

PP

Mod

elin

g is

sim

ilar

to c

ase

D o

f ILR

S P

P––

LAG

EO

S 1

& 2

ILR

S N

Ps

for

1999

- 2

002

used

LAG

EO

S 1

& 2

ILR

S N

Ps

for

1999

- 2

002

used

––C

avea

tsC

avea

ts••

The

sol

utio

ns w

ere

gene

rate

d fr

om li

near

shi

fting

of t

he s

tand

ard

The

sol

utio

ns w

ere

gene

rate

d fr

om li

near

shi

fting

of t

he s

tand

ard

norm

al e

quat

ions

gen

erat

ed fo

r ou

r m

ulti-

year

sol

utio

ns, f

rom

the

norm

al e

quat

ions

gen

erat

ed fo

r ou

r m

ulti-

year

sol

utio

ns, f

rom

the

defa

ult e

poch

of 1

997.

0 to

the

mid

dle

of th

e w

eek,

usi

ng th

e de

faul

t epo

ch o

f 199

7.0

to th

e m

iddl

e of

the

wee

k, u

sing

the aa

prio

ripr

iori

, , IT

RF

2000

ITR

F20

00 v

eloc

ities

vel

ociti

es••

The

T

he ““

30 N

Ps

or m

ore

30 N

Ps

or m

ore ””

rul

e re

sults

in a

n av

erag

e of

~23

site

s pe

r r

ule

resu

lts in

an

aver

age

of ~

23 s

ites

per

wee

kw

eek

••G

ener

ated

SIN

EX

file

s ar

e on

the

web

(ve

rsio

n 4.

0)G

ener

ated

SIN

EX

file

s ar

e on

the

web

(ve

rsio

n 4.

0)

Oct

. 26

, 20

03O

ct.

26,

2003

E C

E

C P

avlis

Pav

lis

Godd

ard

Godd

ard

Spac

eSp

ace

Flig

ht

Flig

htCe

nter

Cent

er

-20

0

-15

0

-10

0

-500

50

010

20

30

40

1999

1999.5

2000

2000.5

2001

2001.5

2002

2002.5

2003

PP

C_

we

ek

ly_

7-p

arm

DT

x

DT

y

DT

zN

o. S

ites

DD

s

Translations [mm]

No. of Sites / ∆∆∆∆Scale [ppb]

Dat

e

DD

SD

T ZD

TY

DT

X

Det

rend

ed

Tra

nsla

tions

[m

m]

&S

cale

[ppb

]2

09

20

92

09

20

9P

oin

ts1

.61

0.9

10

.51

2.9

RM

S

Hel

mer

t H

elm

ert

Tra

nsla

tion

and

Sca

le R

esul

tsT

rans

latio

n an

d S

cale

Res

ults

Oct

. 26

, 20

03O

ct.

26,

2003

E C

E

C P

avlis

Pav

lis

Godd

ard

Godd

ard

Spac

eSp

ace

Flig

ht

Flig

htCe

nter

Cent

er

-6-5-4-3-2-1012

10

15

20

25

30

35

40

45

50

1999

1999.5

2000

2000.5

2001

2001.5

2002

2002.5

2003

PP

C_

we

ek

ly_

7-p

arm

DR

x

DR

y

DR

z

No.

Site

s

Rotations [mas]

No. of Sites

Dat

e

DR

ZD

RY

DR

XD

etr

en

de

d

Ro

tati

on

s

20

92

09

20

9P

oin

ts0

.32

70

.39

80

.38

1R

MS

[m

as]

Hel

mer

t H

elm

ert

Rot

atio

n R

esul

tsR

otat

ion

Res

ults

Oct

. 26

, 20

03O

ct.

26,

2003

E C

E

C P

avlis

Pav

lis

Godd

ard

Godd

ard

Spac

eSp

ace

Flig

ht

Flig

htCe

nter

Cent

er

-20

-15

-10-505101520

19

92

19

94

19

96

19

98

20

00

20

02

20

04

∆X [

mm

]

- A

+O

+H

_X_(

mm

)

∆∆∆∆X [mm]

Dat

e

JCE

T S

LR

Cen

ter

of M

ass

Wee

kly

Ser

ies

vs.

Atm

osp

her

e +

Oce

ans

+ H

ydro

logy

from

Jia

nli

Ch

en/C

SR

E. C

. Pa

vlis

/ G

SFC

Oct

. 26

, 20

03O

ct.

26,

2003

E C

E

C P

avlis

Pav

lis

Godd

ard

Godd

ard

Spac

eSp

ace

Flig

ht

Flig

htCe

nter

Cent

er

-20

-15

-10-505101520

19

92

19

94

19

96

19

98

20

00

20

02

20

04

∆Y [

mm

]

- A

+O

+H

_Y_(

mm

)

∆∆∆∆Y [mm]

Dat

e

JCE

T S

LR

Cen

ter

of M

ass

Wee

kly

Ser

ies

vs.

Atm

osp

her

e +

Oce

ans

+ H

ydro

logy

from

Jia

nli

Ch

en/C

SR

E. C

. Pa

vlis

/ G

SFC

Oct

. 26

, 20

03O

ct.

26,

2003

E C

E

C P

avlis

Pav

lis

Godd

ard

Godd

ard

Spac

eSp

ace

Flig

ht

Flig

htCe

nter

Cent

er

-100-50050100

19

92

19

94

19

96

19

98

20

00

20

02

20

04

∆Z

[mm

]

- A

+O

+H

_Z_(

mm

)

∆∆∆∆Z [mm]

Dat

e

JCE

T S

LR

Cen

ter

of M

ass

Wee

kly

Ser

ies

vs.

Atm

osp

her

e +

Oce

ans

+ H

ydro

logy

from

Jia

nli

Ch

en/C

SR

E. C

. Pa

vlis

/ G

SFC

Oct

. 26

, 20

03O

ct.

26,

2003

E C

E

C P

avlis

Pav

lis

Godd

ard

Godd

ard

Spac

eSp

ace

Flig

ht

Flig

htCe

nter

Cent

er

http

://w

ww

.ht

tp://

ww

w. j

cet

jcet

.. um

bcum

bc.. e

dued

u /~/~ep

avlis

epav

lis/in

terd

isci

plin

ary.

htm

l#S

LR_S

INE

X/in

terd

isci

plin

ary.

htm

l#S

LR_S

INE

X

Whe

re to

Dow

nloa

d th

em F

rom

:W

here

to D

ownl

oad

them

Fro

m:

Oct

. 26

, 20

03O

ct.

26,

2003

E C

E

C P

avlis

Pav

lis

Godd

ard

Godd

ard

Spac

eSp

ace

Flig

ht

Flig

htCe

nter

Cent

er

CR

C S

umm

ary

CR

C S

umm

ary

••C

ontr

ibut

ed

Con

trib

uted

209 w

eekl

y S

INE

X209 w

eekl

y S

INE

X file

s fr

om L

AG

EO

S 1

& 2

file

s fr

om L

AG

EO

S 1

& 2

for

for

19

99

- 2

00

21

99

9 -

20

02 t

o th

e IE

RS

CR

C P

P to

the

IER

S C

RC

PP

••V

ersi

on 4

.0 r

efer

ence

d to

mid

-wee

k ep

och,

afte

r it

was

Ver

sion

4.0

ref

eren

ced

to m

id-w

eek

epoc

h, a

fter

it w

asor

igin

ally

gen

erat

ed w

ith e

poch

or

igin

ally

gen

erat

ed w

ith e

poch

1997

.019

97.0

••N

ew v

ersi

on b

y ea

rly N

ovem

ber

(mid

-wee

k re

fere

nced

)N

ew v

ersi

on b

y ea

rly N

ovem

ber

(mid

-wee

k re

fere

nced

)

••O

ptim

al

Opt

imal

sel

ectio

n of

site

sse

lect

ion

of s

ites , , d

ata

thin

ning

data

thin

ning

, and

, a

nd ““

loos

elo

ose ””

cons

trai

nts

cons

trai

nts

for

wee

kly

solu

tions

are

stil

l und

er fo

r w

eekl

y so

lutio

ns a

re s

till u

nder

inve

stig

atio

n, a

long

with

the

issu

e of

in

vest

igat

ion,

alo

ng w

ith th

e is

sue

of EO

P r

ates

.E

OP

rat

es.