Lunar Weekend Calendar for 2021
This information is a reformatted version of
DL7APV's Lunar
Weekend Calendar
More
detailed info can be taken from VK3UMs famous
EME Planner
Loss= Apogee (loss=
-1.9 dB).
Loss=Perigee (loss= +0.3 dB).
ATP=ActivityTimePeriod
for 432 CW
Temp=High
background temp.
Temp=Low
background temp
Please
send reports to K2UYH & DUBUS
See also JJ's -
F1EHN Moon
conditions chart
2021
|
2400 Sat/ 0000 Sun
|
Decl
(deg)
|
Loss
(dB)
|
Sun offset
(deg)
|
Temp
432
(degK)
|
contest dates & meetings
|
Comments
|
Expeditions on
432 or up
|
Jan 02/03
|
+15.7
|
-0.9
|
130
|
20
|
|
Night
|
|
Jan 09/10
|
-21.1
|
-0.2
|
44
|
50
|
|
Day AM
|
|
Jan 16/17
|
-11.8
|
-1.3
|
-50
|
25
|
|
Day PM
|
|
Jan 23/24
|
+20.1
|
-1.7
|
-123
|
40
|
DUBUS/REF CW 13cm
ATP 13-15 & 21:30-23:30
|
Day PM
|
|
Jan 30/31
|
+12.1
|
-0.5
|
148
|
20
|
SSB FUNTEST contest Sat 23cm/Sun 13cm
|
Night
|
|
Feb 06/07
|
-23.5
|
-0.4
|
61
|
120
|
|
Day AM
|
|
Feb 13/14
|
-8.6
|
-1.4
|
-30
|
25
|
|
Sun close
|
|
Feb 20/21
|
+21.9
|
-1.7
|
-103
|
40
|
DUBUS/REF CW 2m/70cm
|
Day PM
|
|
Feb 27/28
|
+8.5
|
-0.3
|
167
|
20
|
|
Night
|
|
Mar 06/07
|
-25.3
|
-0.6
|
76
|
240
|
Eu VHF/UHF Tropo
|
Day AM
|
|
Mar 13/14
|
-5.0
|
-1.6
|
-10
|
25
|
|
Sun close
|
|
Mar 20/21
|
+23.5
|
-1.7
|
-84
|
40
|
DUBUS/REF CW 9cm
ATP 10-12& 19:30-21:30
|
Day PM
|
|
Mar 27/28
|
+5.1
|
-0.1
|
-173
|
25
|
|
Night
|
|
Apr 03/04
|
-26.2
|
-0.5
|
92
|
140
|
|
Day AM
|
|
Apr 10/11
|
-1.3
|
-1.7
|
9
|
25
|
|
Sun noise
|
|
Apr 17/18
|
+24.5
|
-1.7
|
-66
|
40
|
DUBUS/REF CW 3cm
ATP 8:30-10:30 & 18:30-20:30
|
Day PM
|
|
Apr 24/25
|
+1.7
|
-0.0
|
-153
|
30
|
ARI spring
contest
|
Night
|
|
May 01/02
|
-26.1
|
-0.5
|
109
|
50
|
Eu VHF/UHF Tropo
|
Day AM
|
|
May 08/09
|
+2.5
|
-1.8
|
29
|
30
|
|
Sun close
|
|
May 15/16
|
+24.8
|
-1.7
|
-49
|
35
|
DUBUS/REF CW 23cm
ATP 8-10 & 17-19
|
Day PM
|
SV5/HB9COG
|
May 22/23
|
-2.0
|
-0.1
|
-133
|
30
|
Dayton (Xenia) HAMvention
|
Day PM
|
SV5/HB9COG
|
May 29/30
|
-25.3
|
-0.4
|
127
|
35
|
|
Day AM
|
|
June 05/06
|
+6.3
|
-1.9
|
48
|
30
|
EU 23&up Tropo
|
Day AM
|
|
June 12/13
|
+24.3
|
-1.6
|
-31
|
30
|
DUBUS/REF CW 6cm
ARRL VHF Tropo
ATP 6:30-8:30 & 15:30-17:30
|
Day PM
|
|
June 19/20
|
-6.0
|
-0.3
|
-114
|
25
|
|
Day PM
|
|
June 26/27
|
-23.9
|
-0.3
|
146
|
30
|
HAM Radio
|
Night
|
|
July 03/04
|
+9.9
|
-1.9
|
68
|
30
|
9cm EME
Activity
Eu VHF/UHF Tropo
|
Day AM
|
|
July 10/11
|
+23.1
|
-1.4
|
-14
|
20
|
ATP 5:30-7:30 & 14:30-16:30
|
Sun close
|
|
July 17/18
|
-10.4
|
-0.4
|
-96
|
30
|
CQ WW VHF
ES-Tropo
|
Day PM
|
|
July 24/25
|
-22.0
|
-0.5
|
165
|
30
|
|
Night
|
|
Aug 00/01
|
+13.3
|
-1.8
|
88
|
35
|
13cm EME
Activity
ARRL UHF Tropo
ATP 3:30-5:30 & 23:00-1:00
|
Day AM
|
|
Aug 07/08
|
+21.4
|
-1.2
|
4
|
20
|
|
Sun noise
|
|
Aug 14/15
|
-14.8
|
-0.4
|
-79
|
35
|
|
Day PM
|
|
Aug 21/22
|
-19.4
|
-0.7
|
-176
|
25
|
19th EME Conference Praha
|
Night
|
|
Aug 28/29
|
+16.4
|
-1.8
|
108
|
35
|
6cm EME Activity |
Day AM
|
|
Sept 04/05
|
+19.4
|
-1.1
|
23
|
15
|
Eu VHF Tropo
|
Sun close
|
|
Sept 11/12
|
-18.8
|
-0.3
|
-62
|
40
|
ARRL VHF Tropo
|
Day PM
|
|
Sept 18/19
|
-16.3
|
-0.9
|
-158
|
25
|
|
Night
|
|
Sept 25/26
|
+19.2
|
-1.9
|
127
|
35
|
ARI Autumn
contest
|
Day AM
|
|
Oct 02/03
|
+17.0
|
-1.0
|
43
|
20
|
Eu UHF Tropo
|
Day AM
|
|
Oct 09/10
|
-22.0
|
-0.1
|
-44
|
45
|
|
Day PM
|
|
Oct 16/17
|
-12.7
|
-1.2
|
-139
|
25
|
|
Night
|
|
Oct 23/24
|
+21.7
|
-1.9
|
147
|
35
|
ARRL 1st leg
|
Night
|
|
Oct 30/31
|
+14.5
|
-1.0
|
62
|
20
|
|
Day AM
|
TX7MB
|
Nov 06/07
|
-24.2
|
+0.2
|
-27
|
100
|
Eu VHF CW Tropo
|
Sun close
|
|
Nov 13/14
|
-8.6
|
-1.3
|
-121
|
25
|
|
Day PM
|
|
Nov 20/21
|
+23.7
|
-2.0
|
165
|
45
|
ARRL 2nd leg
|
Night
|
|
Nov 27/28
|
+11.3
|
-1.1
|
82
|
20
|
|
Day AM
|
|
Dec 04/05
|
-25.6
|
+0.3
|
-8
|
180
|
|
Sun noise
|
|
Dec 11/12
|
-4.5
|
-1.3
|
-102
|
25
|
|
Day PM
|
|
Dec 18/19
|
+25.0
|
-1.9
|
-177
|
45
|
ARRL 3rd leg
|
Night
|
|
Dec 25/26
|
+7.4
|
-1.1
|
101
|
20
|
Xmas & HNY
|
Day AM
|
|
|
ATP=ActivityTimePeriod
for 432MHz, see homepage of
SM2CEW or EME pages send reports
to K2UYH &
Dubus,
432 MHz activity times should boost the 432MHz CW EME activity. See some big
guns in CW within 432.010 and 432.050 MHz.
High positive
Declination
shows that the moon transit is in the northern hemisphere, red negative
Decl indicates a southern transit of the moon.
Loss in dB indicates the extra losses due to the different distance earth-moon,
best case at perigee is +0,3dB
and worst case at apogee -2dB.
Sun
Offset vs Time of day for Visible Moon
-180°
|
-120° |
-30° |
0° |
+30° |
+120° |
+180°
|
|
Night - N
|
Day (AM) - DA
|
Sun Noise - S
|
Day (PM) - DP
|
Night - N
|
|
The background Temperature
indicates the losses caused by the noise from objects behind/near the moon.
Coldest value on 432 is 15K
and when the moon is in front of our galactical centre
this value can be up to 200K.
This can cause up to 8dB extra losses on RX at a good station.
Year |
2016 |
2017 |
2018 |
2019 |
2020 |
2021 |
2022 |
2023 |
2024 |
2025 |
2026 |
2027 |
max
declination(deg) |
17 |
18 |
19 |
22 |
23 |
25 |
27 |
28 |
28 |
28 |
27 |
25 |
declination at perigee (deg) |
+14 |
+18 |
+19 |
+18 |
+5 |
-25 |
-27 |
-25 |
+7 |
+28 |
+26 |
+22 |
The maximum declination increases until 2024/25.
Perigee
and high positive declination are out of phase 2021 till 2023
See -
http://www.F1EHN.org
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home page