Here is a schedule for the E16/G16 West German "2-letter" stations from 1984 -1996.  According to my logs, the decline in activity started around 1990. 

In AUG 1994 these stations were still active VO SB KW HK AU JW OA RD GK MD CD BN CN WL DA.
In FEB 1996, these had dwindled away to GK SB CD MD WL HK.
In JUN 1996 only GK MD WL OK were left.
In JUN 1997 GK MD WL FR DL.
The last ever logged transmission occurred on 2 JUL 97 - Golf Kilo.
UTC 2707 3228 3262 4543 4594 4821 UTC 4888 5015 5182 5284 5732 UTC 5770 6853 7404 7532 7740 UTC 7752 7858 8063 8173 9040 9325 UTC 9450 10177 10460 10500 10740 11108 11545 UTC 11617 12092 12210 12314 13375 13890 14622 14945 15610 16055 16220 UTC 16414 17430 18195 18575 19295 19755 20240 20350 20675 22885
0000
0030
PN
PN
0000
0030
PN
PN
0000
0030
PN
PN
0000
0030

GK
0000
0030
CD
CD
CD
PN
PN
CD
0000
0030
CD
CD
0000
0030
0100
0130


GK
0100
0130
0100
0130
0100
0130
WP
WP
WP
0100
0130

WP
0100
0130
0100
0130
0200
0230
0200
0230

SB
0200
0230
0200
0230
CN
CN

CN

SB
0200
0230
0200
0230
0200
0230
0300
0330
0300
0330

ZG
0300
0330
0300
0330
BJ
CN
CN
SB CN
0300
0330

CN
CN
0300
0330
0300
0330
0400
0430
JU

ZG
0400
0430
PD JU
WL
WL
0400
0430
0400
0430
PD
0400
0430
0400
0430
0400
0430
0500
0530
PZ
0500
0530
PZ
0500
0530

ER
LA MH

ER

LA
0500
0530

KW
MN
0500
0530
DF
KW
DF
0500
0530

BN
KW
KW
0500
0530
0600
0630
PN
PN
CI
PZ

PB
0600
0630
PN
PN
0600
0630
CN
FP
PN
PN
CN MH
0600
0630
0600
0630
NZ
PN
PN
0600
0630
0600
0630
0700
0730
PT
PB
0700
0730
PT PD
CN
CN
0700
0730
LG
CN

KR

KR

KR
0700
0730
OA

0700
0730
0700
0730
DL

DB

DB

DB

DB
DO
JB
0700
0730
0800
0830
LG
0800
0830
AL UI
AL
0800
0830
UI LG
AL VB
AL
QL

LA AL
0800
0830

MN
0800
0830

DF
0800
0830
EG
BL

BU
BU
DB
BU DF

DB
DB
DB
0800
0830
BU GC
BU
BU
0900
0930
0900
0930
AU
PL
PL PB
PB
PB
0900
0930
LG PL
VB

VB
LG
0900
0930

RK CN
0900
0930
TP JD
JD
TP
TP DF
OA
0900
0930

OA
DF LU
EG LU MD
LU EG MD
EG
JB

KW JB

JB
DB
LU
0900
0930
MD
KW
DM
KW
DB
1000
1030
PL
AU
1000
1030
AU
AU
PL

PB
1000
1030
PB
PB
VB
VB
VB

VB
1000
1030
UL
UL
CN
1000
1030
CN UL
UL
1000
1030
WL

OA
AB GC EG
EG GC WL

DF AB
EG JB GC
1000
1030
GC
JB
JB

WL

1100
1130
1100
1130
1100
1130
PB
PB

PB
1100
1130
1100
1130
FB
FB
FB
1100
1130

LA
AB FB
LU GC
DA HS FB AB
FB AB
FB
AB GC
LA HS
FB LU

HS

GC

GC
1100
1130

HS
HS
CD
CD
CD
1200
1230
PN
PN
1200
1230
AU
PN
PN
1200
1230
LG
UG VB
PN
PN

PB
1200
1230
AM
1200
1230

LU

LU
PN
PN
1200
1230
GC
1200
1230
1300
1330
JO
1300
1330
PT
LG
1300
1330
LG

VB

AO
1300
1330
AM
1300
1330
BU
BU
OA

MD
1300
1330

MD
LD

OA

MD
BU
BI BU
MD VI

MD
BU VI
MD
1300
1330
BU NZ
VI
NZ
1400
1430
1400
1430
AU
PT
1400
1430
XL
KR
XL
KR
KR

KR
1400
1430
KR
KR
TP
1400
1430
JD
TP
TP MD
AB
1400
1430
TP
AB
TP MD
EG KW
TP
KW
MD TP
1400
1430

KW
1500
1530
1500
1530

ZB
XL
ZO
1500
1530
1500
1530
1500
1530
OA
DF AB
1500
1530
OA
EG
EG
RP
EG
1500
1530
XA
VI

EH
1600
1630

ZB
1600
1630
ZO ZB
YS

YS
1600
1630
1600
1630
OA

FB DF
1600
1630

FB

DF
OA

DF
NZ OA
DF
1600
1630
MH
NZ
HS
HK
1600
1630

HS
HK
HK
HK
HK
HK
HK
1700
1730
PL
PL
ZB
ZB
YS ZB
1700
1730
ZB
ZO

YS

ZO VO YS
1700
1730
YS
YS

YB
NU
YB OA
ZP DT
NU
1700
1730
FB DT
FB OA
LE FB
1700
1730
FB
LE
LE FB
LE
FB
FB
1700
1730
LE
BJ WL
RP
1700
1730
1800
1830
PN
PN
PL
UF
PL
PZ
ZO
ZO YS VO
ZO
ZO
ZO
1800
1830
PN
PN
YS
PZ YB YS
EL
YS PZ
EL YB
1800
1830
YS
EL ZT
YB PZ
YB EL
PN
PN
ZP RD
ZP
ZT UF
1800
1830

ZT
ZP DT
LU
ZP
1800
1830
BI
BI TE
PN
PN
1800
1830
1800
1830
1900
1930
EB UF
ZB YS EL
UF YS
CT EL ZB
ZO PZ YS UI PZ EB RD EB UF
ZO
UF PT YS PZ UI
VO EL CT ZT
VO ZO PT AU YS
VO ZO YB
1900
1930
PT ZO VO
CT
NU YS JB PT PZ
PD ZT YB CT
PZ YS UI UF
ZT YB CT
YS UF XL
CT EL XL
UF YS PZ XL EB
EL CT
1900
1930
PJ UF PZ XL
ZT YS CT WL
WL JB PG ZP PZ
ZG LA ZT CT PD
OA UF JB OK RD
DF CT ZT
JB UF
CT ZT MD
UF WL
DF
1900
1930
NU
LA
JB
OA
JB DM
GK
JB DM
GK
JB
PD WL
JB DM
DF
1900
1930
JB TE WL
LA DF
DK JB TE WL OA
DF

GK
JB

PD
1900
1930

MD
WL

WL
WL
1900
1930
2000
2030
EB XL PZ YS UL UI KR OK
EL
UL UI YS KR XL RD
YS
ZO PZ YS UL KR RD OK VO
EL
UL PZ NU GK
YB
ZO YS PG
VO ZO YS
2000
2030
PG YS
GK
OK XL YS UL NU
YB
YS UL
YB
PG UL CT XL NU
YS ZG ST
PG UL XL
ST EL ZP
2000
2030
NU PG YS UL XL MH
ZP YB ST
NU CT ZP MD UL LA OT MH OK
ZG ST ZP
ZP OK EG
GZ
NU MD
DF EG
RS UL DT NU
2000
2030
NU ZP EG DT
ZP
DF ZP
DF OK MD
DF EG
EG OA MD

TE DF
2000
2030

RP

TE
MD
2000
2030

JW
2000
2030
2100
2130
XL YS PL PZ
CT
XL YS PG AM DT
CT EL IT RD
YS ZO PZ AM DT
CT YB ST IT
PG ZO YS PZ
CT ST OK
VO PL
ST
2100
2130
PL PG
ST
ZP OT RD
ZO YB DT

ZO YB RD
YS AM
CT IT
AM RD
YB RD
2100
2130
DT RD
CT OK DT
BE EG
CT BE EG GK
GZ EG OK
GZ
2100
2130
EG
BE EG GK
BE
GZ EG
BE GK
EG
TE LD
2100
2130
TE JW
JW BJ LD
BJ JW
2100
2130
JW
JW
BJ JW
FK JW
JW
2100
2130
2200
2230
AM JU
ER ST IT
AM ER
ST IT GK
ER
FS ER JU
IT
2200
2230
QL FS JU
ER OA

BE
FS
YB
2200
2230
ER FS
BE GK
FS
BE
FS
2200
2230
OA
LD OA
NZ FS LD OA
FS NZ
NZ
2200
2230
FS NZ
FS NZ
FS
SB
NZ
SB

SB
2200
2230
FK
2200
2230
2300
2330
PJ
PJ UF
2300
2330
EG
EG
2300
2330
EG FS
FS EG
HK
EG
HK
FS
2300
2330

SB
FS
HK

HK JW

HK SB
2300
2330
FS FK
SB

SB
FS

SB
2300
2330
2300
2330