SATELLITE Ka-BAND PROPAGATION ... - DESCANSO
SPACECOMMUNICATIONS TECHNOLOGYCENTER (SCTC) SATELLITE
Ka-BAND PROPAGATION
MEASUREMENTS
IN FLORIDA
HENRY HELMKEN FLORIDA ATLANTIC UNIVERSITY (FAU) &
RUDY HENNING UNIVERSITY OF SOUTH FLORIDA (USF) June 15,1995
FLORIDA
●
PiOGRAM
Generate CDF’S for Sub-tropical
* Sub-tropical
Fading Statistics
* Diversity Gain * Radiometer
Development
* Sub-tropical
Rain Models
321
Region
GOALS
1 .1 20 GHz Brightness Temperature 4 lbdiier
Derived
o 6aacon
Derived
Sky TsrnP (00 GMT)
Sky Temp
o Radiometer
(00 GMT)
Derived
Sky Temp
(12 GMT)
A Beacon Derived Sky Temp (12 GMT)
60 A
—-o
55
44
0 50
-
.—c
00
—————-—w————————
0 0
A
–.Q.-
——-&-——
●
A
0
08
0
-—---0--0
0
0
0
AAa
A
A
A
0
e
AAA
--0
A—
OA
4
——..
—.-
A
/l
—.—....—
J
●
.. .. .
0
0
——______
--
-.--—
●
✎✎✍
30
—. ●
-—. .—
35
..-
A 4
-_.8a-..__._
“--–~——
—.
——----
•~
02.
A
A
--
2A
a
●
Oe
e
————____ A
A
o
e
0
●
------H A —..——.
----
LJ
● ✿✿✿✿✿✿
✍
✿✿✿✿✿
✎✎✿✍
25
1
5
9
13
17
21
29
25
Day of Month Figure
2.
20
GHz
6rightness
Antenna
Temperature
-
68%,
Efficiency:
10/28
used
Antenna
for
cal
ibration
87°
Spi 1 lover
6E2195
I 10:02 AM
27 GHz Brightness Temperature ● Ftadiometer
Derived
o Beacon Derived
Sky Temp
Skv Temo
60
6
--.—
55
e
●
(00 GMT)
Derivsd
Derived
Sky Temp
Skv Temo
(12 GMT)
(12 GMT)
e
0
.——
●
o Radiometer
A 6aacon
(00 GMT)
✎✍
✍ ✍
✍
__-o.
✎ ✍✍
.?-..
●
o 50 A
o
●
o
z ; 45
A
z a z 240 :
A
w
A
a A
04A
—
.
—A--
Ofle
so
0
go
A
—.—
.
OA
0°0
00
0
●
0
AA
0
0
84
Q
‘A
;.
AAA
A
0
●
A
35
30
25
1
9
5
13
17
21
25
29
Day of Month Figure
3.
27
GHz Brightness Temperature - 10/28 58%, Antenna Antenna Efficiency:
used for Spi 1 lover
cal
ibration
84° 6122195 I 1 002AM
322
Florida Winter Storm January 14,1995-27 GHz “Pre-Processed”
I
—Nlen
27 GHz Beacon
‘Avg
Data
I
Sky TemP 27 GHz
1,,
,!,
I
,,
300
::
(
!, ,,
50
0 000
200
400
6:00
1200
‘10:00
000
14:00
16:00
20:00
1800
22:00
Time (GMT) Figure
4.
Typical
Florida
Winter
Storm
-
Florida Summer Shower July 20,1994-27 GHz “Pre-Processed” —Atten
27 GHz Beacon ‘Avg
-
data
Pre-processed
27GHz
Data
Sky Temp 27 G
.
,, I , :.: 1
1
iji:. I
:, ,,
:::
--.—-—..——..——.
t,
:1
;’
,,
1, :,
:,
.—..—
:’ ~,
:’,
:,
———. ,,, ::
, ,!, ,,
,
Ii!;
II
1 I
I l“
,,!,
:::
;:
::’
:!
,,
I
200
1
I
400
I
1
1
6:00
1
800
t
1
10:00
I
f
1
1200
I
1
1400
1
16:00
W.
.
18:00
moo
Time (GMT) Figure
5.
Typical
Florida
Sumner
323
Shower
-
Pre-processed
50
!,,
,,
1
!
(:!
l,,
1
I
o:m
,
lf ;’
!,
I
1,
data
-
27GHz
22:00
I A
FILE
DISUY
zoom
0.00 , -s.m9
I pm w
{
.I
B-2S.00 N
i
-30.00
-35.00
I
-40.00
I
s:is:m
06:lo:m
I
06:20:m
06:2s:00
m
I
J Tine
Figure
06:3d:oo
6.
Ran
Event
CGHT)
-
20
GHz
Beacon
May20,1995
FILE
DISPIAV
S.soo
S.loo
.
4.700
i
B
3.s00
m
B :
3.100
a * 2.700
o6:2i3:oo
o6:lks:oo
m:lo:m
I
06:do:oo
06:2s:00
B
1 Time
Figure
7.
Ran
Event
-
20
GHz
Radiometer
May20,1995
324
-
overlaps
storm
I .A
220.0
-
24Q. o-
160.0
80.0
I
0.0 06:lo:m
06:is:oo
o6:20:m
06:2S:W
06::
m
I
I
Time Figure
8.
Rain
Event
-
Rain
(OMT>
rate
-
Delayed
2 minutes
from
fade
onset.
May20,1995
20/27 GHz CDF June - August 1994 10 \8 8 \ \ 1:
● .: .,,* ●
“0. ,$ ,..> ““*,, ‘* ““U,, *,,,, . ..,.
-. 0.1
~
I
1
—
20 GHz Beacon
-t---
I
II
“d
I
0.01 ●
0W
Global -Region E
1 - 0.001 [
CCIR-Region I 5
o
N
I I 10 15 20 AFSAttenuation(dB)
30
25
10 ; ●
\ \
● ●
1.
“...... * ...
b
...
-
*
%.,,,.
. $%., (
0.01
J
—
1
0.001
Figure
9.
* .-,-
-
000WIGlobal -Region E - -
CCIR - Region N I
o
5
of
.
““”. ‘...?,., T,, m,
27 GHz Beacon
I
Comparison
“. ““%,,,,*.“.
pvO
I
I
10 15 20 AFS Attenuation (dB) Sumner
1994
325
data
with
CCIR
25
and
Global
30
Rain
Models.
I
.1
FADE ANALYSIS Step 1- Generate
Binary pvl file via Version 5.1
Step. 2- Generate Binary pvla file Mark Bad Artifact Intervals in Appropriate Channels Power Outages Antenna Testing and Other Log Book entries Step 3- Data Averaging Extrapolate Over Calibration Periods Select Running Average (1 -30 seconds) Median Averaging Step 4- Fade Analysis Discard data with values
Ka-BAND PROPAGATION
MEASUREMENTS
IN FLORIDA
HENRY HELMKEN FLORIDA ATLANTIC UNIVERSITY (FAU) &
RUDY HENNING UNIVERSITY OF SOUTH FLORIDA (USF) June 15,1995
FLORIDA
●
PiOGRAM
Generate CDF’S for Sub-tropical
* Sub-tropical
Fading Statistics
* Diversity Gain * Radiometer
Development
* Sub-tropical
Rain Models
321
Region
GOALS
1 .1 20 GHz Brightness Temperature 4 lbdiier
Derived
o 6aacon
Derived
Sky TsrnP (00 GMT)
Sky Temp
o Radiometer
(00 GMT)
Derived
Sky Temp
(12 GMT)
A Beacon Derived Sky Temp (12 GMT)
60 A
—-o
55
44
0 50
-
.—c
00
—————-—w————————
0 0
A
–.Q.-
——-&-——
●
A
0
08
0
-—---0--0
0
0
0
AAa
A
A
A
0
e
AAA
--0
A—
OA
4
——..
—.-
A
/l
—.—....—
J
●
.. .. .
0
0
——______
--
-.--—
●
✎✎✍
30
—. ●
-—. .—
35
..-
A 4
-_.8a-..__._
“--–~——
—.
——----
•~
02.
A
A
--
2A
a
●
Oe
e
————____ A
A
o
e
0
●
------H A —..——.
----
LJ
● ✿✿✿✿✿✿
✍
✿✿✿✿✿
✎✎✿✍
25
1
5
9
13
17
21
29
25
Day of Month Figure
2.
20
GHz
6rightness
Antenna
Temperature
-
68%,
Efficiency:
10/28
used
Antenna
for
cal
ibration
87°
Spi 1 lover
6E2195
I 10:02 AM
27 GHz Brightness Temperature ● Ftadiometer
Derived
o Beacon Derived
Sky Temp
Skv Temo
60
6
--.—
55
e
●
(00 GMT)
Derivsd
Derived
Sky Temp
Skv Temo
(12 GMT)
(12 GMT)
e
0
.——
●
o Radiometer
A 6aacon
(00 GMT)
✎✍
✍ ✍
✍
__-o.
✎ ✍✍
.?-..
●
o 50 A
o
●
o
z ; 45
A
z a z 240 :
A
w
A
a A
04A
—
.
—A--
Ofle
so
0
go
A
—.—
.
OA
0°0
00
0
●
0
AA
0
0
84
Q
‘A
;.
AAA
A
0
●
A
35
30
25
1
9
5
13
17
21
25
29
Day of Month Figure
3.
27
GHz Brightness Temperature - 10/28 58%, Antenna Antenna Efficiency:
used for Spi 1 lover
cal
ibration
84° 6122195 I 1 002AM
322
Florida Winter Storm January 14,1995-27 GHz “Pre-Processed”
I
—Nlen
27 GHz Beacon
‘Avg
Data
I
Sky TemP 27 GHz
1,,
,!,
I
,,
300
::
(
!, ,,
50
0 000
200
400
6:00
1200
‘10:00
000
14:00
16:00
20:00
1800
22:00
Time (GMT) Figure
4.
Typical
Florida
Winter
Storm
-
Florida Summer Shower July 20,1994-27 GHz “Pre-Processed” —Atten
27 GHz Beacon ‘Avg
-
data
Pre-processed
27GHz
Data
Sky Temp 27 G
.
,, I , :.: 1
1
iji:. I
:, ,,
:::
--.—-—..——..——.
t,
:1
;’
,,
1, :,
:,
.—..—
:’ ~,
:’,
:,
———. ,,, ::
, ,!, ,,
,
Ii!;
II
1 I
I l“
,,!,
:::
;:
::’
:!
,,
I
200
1
I
400
I
1
1
6:00
1
800
t
1
10:00
I
f
1
1200
I
1
1400
1
16:00
W.
.
18:00
moo
Time (GMT) Figure
5.
Typical
Florida
Sumner
323
Shower
-
Pre-processed
50
!,,
,,
1
!
(:!
l,,
1
I
o:m
,
lf ;’
!,
I
1,
data
-
27GHz
22:00
I A
FILE
DISUY
zoom
0.00 , -s.m9
I pm w
{
.I
B-2S.00 N
i
-30.00
-35.00
I
-40.00
I
s:is:m
06:lo:m
I
06:20:m
06:2s:00
m
I
J Tine
Figure
06:3d:oo
6.
Ran
Event
CGHT)
-
20
GHz
Beacon
May20,1995
FILE
DISPIAV
S.soo
S.loo
.
4.700
i
B
3.s00
m
B :
3.100
a * 2.700
o6:2i3:oo
o6:lks:oo
m:lo:m
I
06:do:oo
06:2s:00
B
1 Time
Figure
7.
Ran
Event
-
20
GHz
Radiometer
May20,1995
324
-
overlaps
storm
I .A
220.0
-
24Q. o-
160.0
80.0
I
0.0 06:lo:m
06:is:oo
o6:20:m
06:2S:W
06::
m
I
I
Time Figure
8.
Rain
Event
-
Rain
(OMT>
rate
-
Delayed
2 minutes
from
fade
onset.
May20,1995
20/27 GHz CDF June - August 1994 10 \8 8 \ \ 1:
● .: .,,* ●
“0. ,$ ,..> ““*,, ‘* ““U,, *,,,, . ..,.
-. 0.1
~
I
1
—
20 GHz Beacon
-t---
I
II
“d
I
0.01 ●
0W
Global -Region E
1 - 0.001 [
CCIR-Region I 5
o
N
I I 10 15 20 AFSAttenuation(dB)
30
25
10 ; ●
\ \
● ●
1.
“...... * ...
b
...
-
*
%.,,,.
. $%., (
0.01
J
—
1
0.001
Figure
9.
* .-,-
-
000WIGlobal -Region E - -
CCIR - Region N I
o
5
of
.
““”. ‘...?,., T,, m,
27 GHz Beacon
I
Comparison
“. ““%,,,,*.“.
pvO
I
I
10 15 20 AFS Attenuation (dB) Sumner
1994
325
data
with
CCIR
25
and
Global
30
Rain
Models.
I
.1
FADE ANALYSIS Step 1- Generate
Binary pvl file via Version 5.1
Step. 2- Generate Binary pvla file Mark Bad Artifact Intervals in Appropriate Channels Power Outages Antenna Testing and Other Log Book entries Step 3- Data Averaging Extrapolate Over Calibration Periods Select Running Average (1 -30 seconds) Median Averaging Step 4- Fade Analysis Discard data with values
