A.N.A.R.T.S. News Bulletin 1393 for 23rd of April 2006
Items in this broadcast include
1. Cols column
2. IPS REPORT
3. VK2SG RTTY DX report
4. OPDX Bulletin
5. Anarts Information
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features included.
Col's Column
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Propagation of Radio Waves.
Ground Wave Propagation.
Radio waves are emitted from an antenna and travel in all
directions, both vertical and horizontal. This part of the
article concerns Ground Waves.
As the name suggests, a Ground Wave moves over the surface of the
earth. It is vertically polarised, any horizontal electrostatic
field is short circuited by the ground and disappears a short
distance from the transmitter.
As the ground wave moves over the earth it sets up small currents
in the earth, and as the earth offers a resistance to the flow
of current, there is a dissipation of energy that represents
energy absorbed from the ground wave. This process is known as
Ground Absorption, and its amount varies according to the nature
of the terrain over which it travels.
The port of the wave in contact with the earth is therefore being
continuously weakened and can only be replenished from the energy
contained in the portion of the ground wave immediately above
the earth. There is thus a continuous loss of energy which results
in the final dissipation of the wave.
The ground loss depends in a relatively complicated way on the
conductivity and dielectric constant of the earth, and also the
frequency in use.
The conductivity of the earth varies greatly under different
conditions, an approximate ratio between dry sandy and rocky soil,
moist loam and sea water being of the order of 1:30:500. The
dielectric constant of the earth ranges from 5 to 30 with the
low values tending to go with dry soils of poor conductivity and
higher values with moist conducting earth. The dielectric constant
of sea water is about 80.
Next week we move on to the Sky Wave.
73's Col VK2CTD
IPS Weekly Solar and Geophysical Report 14/20th Apr
SUMMARY
Date 14 15 16 17 18 19 20
10cm flux 79 78 77 78 74 76 79
AFr index 32 18 8 4 5 2 5 est
Aaus index 48 22 8 4 3 2 3 est
T index 61 16 4 8 17 18 16
Solar flare activity was very low all week.
Geomagnetic activity observed for the Australian Region was unsettled
to severe storm levels on 14th quiet to minor storm on 15th quiet to
unsettled on 16/17th and 20th quiet and unsettled to active at high
latitudes on 19th and quiet on 20th.
Southern Australian Ionospheric F2 critical frequencies were enhanced
20 percent to 20 percent depressed on 14th depressed 20 to 25 percent
on 15th depressed 25 percent on 16th near predicted to 15 percent
depressed on 17th near predicted on 18/19th and near predicted to 15
percent enhanced on 20th.
Forecast for 21/27th Apr
Solar activity should be low.
Geomagnetic activity should see quiet to unsettled conditions.
Frequencies should be near predicted monthly values.
courtesy of the IPS Radio and Space Services
summary by Pat VK2JPA ANARTS Broadcast Officer
VK2SG RTTY DX NOTES WEEK ENDING 20 APR
Our information this week came from GU0SUP I5FLN DJ3IW NG3K and OH2AQ's
DX Summit. Thank you all.
Bandpass
Friday 14
0005-14082 KD4POJ
0016-18101 TG9AKH
0020-10137 S01R
0036- 7039 PZ5RA
0133-14087 HR2/LU1DY
0256-10139 KP4/K3TRM
0950-21078 P29ZAD
1017-14083 T68G
1146-14084 EA8KL
1302-14086 3B8/ON4LAC
1334-14080 EK6TA
1425-14087 DU7/G4DUM
1450-18103 J5UAP
1634-14083 XW1A
1650-14085 HZ1NH
1903-21071 HC2NGF
2025-10136 CT3KN
2104-14080 P29ZAD
2129-14089 SV9CVY
2142-14082 CN8NK
2215-14082 HC5T
2229-14081 TR8CA
2234-10138 FM5JC
2251-14092 J5UAP
2323-10135 S01R
2357-14083 XW1A
Saturday 15
0000-14082 HK3BZO
0311-14081 XW1A
0534-14084 TA1DX
0621-21084 R45G
0652-10135 KP4JRS
0836-14081 BD1DCG
0901-14079 EK8WA
1053-14080 S01R
1103-21082 FR5AB
1118-21086 3B8/ON4LAC
1213-21084 HZ1NH
1225-24917 VQ9LA
1250-21087 VR2XMT
1254-21090 E20KIR
1304-14082 XW1A
1339-21084 CN8YZ
1346-14082 CU5AM
1356-21087 3B9FR
1400-14089 KP4/K3TRM
1419-14087 EP3AG
1420-21088 9J2CA
1453-14085 4K5D
1618-14089 CU6NS
1713-14086 5H3WJ
1731-14084 4S7AB
1812-21070 HC2NGF
1843-14082 TA3J/0
1850-14087 VR2XLN
1957-14088 FG5FI
2017-14080 P29ZAD
2030-14073 YN9H
2053-14082 EA9IB
2110-14082 CN8NK
2124-10135 S01R
2259-14081 TG9AKH
Sunday 16
0009-14086 CX4AAJ
0038- 7040 WP3C
0101-14087 HR2/LU1DY
0513-14081 EK8WA
0552-14083 UN8LF
1248-14087 UN8PIM
1252-14087 HR2/LU1DY
1253-21082 FR5AB
1300-14085 9V1UV
1304-14088 T68G
1310-18101 YB0JIV
1320-14091 YB0IR
1332-14086 EG8DIR
1453-14087 UN7PYL
1512-14086 HZ1NH
1519-14080 EK6YL
1545-14088 UN8PIM
1622-18103 TR8CA
1754-18108 KP4/K3TRM
1818-14088 EA9IB
1838-14089 CU6NS
1857-14079 NP3D
1910-14091 SV9CVY
1939-14086 EG8DIR
2006-14082 CU2JT
2015-14086 FG5FI
2140-21070 HC2NGF
2153-14084 CN8KD
Monday 17
0644-14089 TR8CA
0756-18102 J5UAP
0940-14085 EA6/I1RSA
1011-14078 P29ZAD
1013-14086 VR2XMT
1046-14083 EA6ADM
1148-18103 JW4GHA
1159-14088 EG8DIR
1246-14086 JW4GHA
1337-21079 5H3WJ
1501-18102 9M6/G3OOK
1527-14090 UN8PIM
1541-14087 3B9FR
1544-14083 CU5AM
1639-14086 JW0HZ
1642-14084 9H4CM
1652-18101 TI8CBT
1757-14052 XU7ABN
1816-14082 4Z5PN
1829-10138 9M6/G3OOK
1838-14080 6O0M
1914- 7034 VU4AN/VU3N
1924-10140 C31BO
1938-14079 EK6TA
1940-14080 IS0XBS
2006-14088 FG5FI
2121- 7032 TA3J/0
Tuesday 18
0135-14079 VU4/VU3RYN
0140-18100 KP4JRS
0938-14081 VU4AN/VU3SIX
1118-18095 VU4AN/VU3NZB
1222-14081 3B9/ON4LAP
1413-14080 A47RS
1514-18095 VU4AN/VU3NZB
1733-14087 CN8YZ
1754- 7034 VU4AN/VU3NZX
1804-14086 EG8DIR
1849-14088 VU4AN/VU3SID
2007- 7034 VU4AN/VU3NZB
2113-14083 YK1BA
2113- 7037 TA3J/0
2206-14080 FM5AA
2316-14079 VU4AN/VU3RWP
Wednesday 19
0207-14082 UN7PBY
0335-21084 VU4AN/VU3PLM
1102-21080 VU4AN/VU3RWP
1201-14081 VU4/VU3NZB
1246-14080 VU4AN/VU2MYH
1249-14082 VU4AN/VU3SID
1252-14080 4S7AB
1254-21079 FR5AB
1255-21087 CN8KD
1312-21087 YB1YG
1318-14078 4S7AB
1330-14081 VU4AN/VU3SID
1407-21087 3B9FR
1410-14089 3B9/ON4LAC
1446-18099 VU4AN/VU3NZB
1450-14080 DU7/G4DUM
1510-14079 YB0EIN
1514-14089 ZS2EZ
1534-18098 JW4GHA
1558-14080 VU4AN/VU2MYH
1639-14081 VU4AN/VU3SID
1732-18097 VU4AN/VU3NZB
1813-14089 8Q7BO
1912-14095 6O0N
2017-10142 TF3PPN
2127-28101 FM5AA
2204-14085 HR2/LU1DY
Thursday 20
0018-14081 CE3DR
0158-14085 UN7PBY
0203-14078 VU4AN/VU3RYN
0302-18105 VU4AN/VU3SID
0648-21084 VU4/VU3PLM
0822-18095 VU4AN/VU4NZB
0915-14080 VU4AN/VU3RYJ
1057-18095 VU4AN/VU3NZB
1125-14084 CU6NS
1154-14086 VU4AN/VU3SID
1319-14080 4S7AB
1441-14082 VU4AN/VU3RWP
1543-14080 DU7/G4DUM
1643-14083 XU7ABN
1659-14085 YI1OM
1719-14084 VU4AN/VU3PLM
1744-21082 JW4GHA
1756-14090 6O0M
1800-14081 TR8CA
1841-14081 5Z4ES
1848- 7037 JW4GHA
1906-10145 VU4AN/VU3RYC
2206-14083 FM5AA
2322-14080 TF3JX
The VK2SG RTTY DX NOTES are distributed every week via the Winlink network
and are also available on the Internet at URL
http://mailman.qth.net/pipermail/vk2sg-rtty/
and the digital-dx reflector. To subscribe to the digital-dx reflector
send an email message to majordomo at mla.nifty.ne.jp as
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Body: subscribe digital-dx
For next weeks bulletin send your bandpass and notes of interest to Phil
GU0SUP pcooper at guernsey.net
GL Don AA5AU
Ohio/Penn DX Bulletin No. 756 - excerpts
8Q, MALDIVES
Francis F6DPD will be active as 8Q7FB between Apr 18-24 from Kuramathi
Island (AS-013). He will only be using 100 watts into a vertical antenna.
Activity will be mainly on 40/20/17M on SSB and PSK. This will be a
holiday style DXpedition. QSL via the bureau to the home callsign.
IOTA NEWS
EU-171. Operators Ela/DL1TM and Tor/DJ4MG will be active from Vendsyssel
Island again during the Easter holidays between Apr 16/May 4. Activity
will be on SSB on 160/80/40/20/15M and on PSK31 on 20M. QSL via their
home callsign. Also check their Web site at http://dj4mg.dyndns.org
NA-140. Steve W3RFA plans to be active in the RSGB IOTA Contest Jul 29
-30th) from South Marsh Island (USI MD-009 new one) Somerset County,
Maryland. Activity will be SSB only with 20 watts max. Steve will be
accessing this island by canoe across 5 miles of open water. He will
only have what he can pack in the canoe on a single trip. Low angle
propagation should be good since the location is in the middle of a
salt marsh. QSL via his home callsign (QRZ.com).
NA-198. Operators Dan/VO1MX Wayne/VO1TA Ken/VO1KVT and Jason/VO1JNS will
be active from Exploits Island (NF-052 for the Canadian Islands Award)
Jul 27-30. Activity will include the RSGB IOTA Contest Jul 29-30). They
plan to be active on all bands and modes. QSL via VO1MX (QRZ.com).
OC-042. Rannie DU1EOV plans to be active from Mt Pulag Luzon Island
(WLOTA LH-0081) Philippines from Apr 15-19. The focus of the activity will
be propagation testing homebrew emergency communications. Mt. Pulag covers
Benguet, Ifugao and Nueva Viscaya Provinces in northern Luzon and reaches
an altitude of 2922m ASL. It is the highest peak in Luzon and second to Mt
Apo as the highest peak in the Philippines. It is known internationally
to be the seat of the culture of indigenous peoples of Benguet. QSL via
DU1EOV (QRZ.com).
OC-161. The Toba DX Group will be active as YE6N on their next operation
from Nias Island Apr 20-27. The operators will be YC6JKV (team leader)
YC6LAY YB6LYS YB6PLG and YB1BOD/6. The group plans to have two stations
active on 160-10M WARC bands included on CW/SSB. QSL Manager will be
Kadek YB9BU and he requests that no Green Stamps be sent except for new
IRCs (from the original country). Visit the groups Web site for more
details at http://www.toba-dx-group.net
J5, GUINEA-BISSAU
Operators Hisato/JA1DOT and Hiroyuki/JP1TRJ will be active as J5DOT and
J5TRJ from Apr 25/May 4. Activity will be on all bands CW/SSB/RTTY. The duo
will be using a TS-480HX and IC-706 and wire GP/DP with 5 meter long mast
plus 10 meter long fishing rod. Their Pilot Station will be Ono JK1OPL.
QSL both callsigns via JA1DOT Hisato Kobayashi, 2-7-19 Mejirodai,
Hachioji-city, Tokyo 193-0833, Japan. An online log search will be available
after the operation. For more details, visit the Web site at:
http://www.ndxa.jp/pedi/j5-2006/
JT, MONGOLIA
Operators Nicola/I0SNY Ernesto/I2FUG Oscar/IK2AQZ and Giovanni/IK2JYT will
be active as JT1Y from Ulaanbaatar and JT0Y from Oigij between Apr 18 and
May 8. Activity will be mainly on 17/12/6M on CW/SSB/RTTY/PSK. QSL via
I0SNY.
KP2, U.S. VIRGIN ISLANDS (3 Steves Op Update!)
Operators Steve/N2IFA Steve/KB2ENF and Steve/KF2TI will be heading to St.
Croix and will be active between May 19-22 (0400-0400Z). The 3 Steves will
be signing KP2/homecall. The 3 Steves special event stations will be on
the General portions of 160-10M. Also if you work all 3 Steves you can
receive a coveted WAS (Worked All Steves) Certificate. Details are available
on their new Web page at http://3stevesandkurt.dynu.com/
QSL via the bureau or direct to Steve Adell KF2TI 606 E Vail Rd, Landing, NJ
07850-1218. ADDED NOTE This just in.. Its official..The Three Steves and a
Kurt have their own callsign.. The 3 Steves Amateur Radio Club callsign is
WK3SS (Which stands for either Worked Kurt and 3 Steves or Worked 3 Steves.
LX, LUXEMBOURG
Operators Theo/PA1TO Paul/PA2CW Martin/PA2W and Con/PE1OOM will be active
from Wiltz as LX/homecall from Apr 23-29. Activity will be on all HF bands
with special attention to 160m and the WARC bands. QSL via their home calls,
More QSL info is available on (QRZ.com). Visit their Web site at:
http://www.xs4all.nl/~pa1to/lx2006.html
SPECIAL EVENT
Look for GB6SWL to be active to celebrate the 60th Diamond Anniversary of
the International Shortwave League (ISWL) between Apr 14-17. Operator will
be Ron G6BMY located in Bagulay Manchester. QSL via ISWL QSL Bureau.
SPECIAL EVENT
Jean-Yves F8LDX will be active as TM1IMD on Apr 22 to celebrate Inter
-national Marconi Day. QSL via F8LDX (by the bureau is preferred).
SPECIAL EVENT
During the month of June look for many French stations to be active to
commemorate the 62nd anniversary of the D-DAY landing in Normandy on Jun
6th 1944. Michel F6IPS is expected to be active as TM6SME Jun 3-13 from his
own station in Emondeville a small village located in the neighborhood of
Sainte Mere-Eglise. Look for him on CW SSB and the digital modes on the HF
bands. QSL via the bureau or direct to Michel Le Balc'h, 16 Hameau Mace,
F-50310 Emondeville, France.
VK8C, COCOS-KEELING ISLANDS (Update)
Last week we mentioned that Bernd VK2IA will be active as VK9AA during the
CQWW DX CW Contest (November 25-26th) as a Single-Op/All-Band entry. Bernd
informed OPDX that he will be there between Nov 20-27 and will watch out
for W/VE before the CQWW Contest as QSOs with most of North America are more
difficult during the contest (polar path). He also added that he will be
there between Oct 27-30 for the CQWW SSB Contest Oct 28-29 as a Multi-
Single entry with VK2CZ and possibly others. However, activity will be
focused on the contest due to limited time on the island. QSL both operations
via DL8YR.
ONE MORE NOTE Bernd also told OPDX that 'Charlie W0YG, also has plans to go
there later in the year. In fact, we will be handing over each other room
keys and station. We will try to get hold of Charlie to find out more
details. Stay tuned'.
The Society can be contacted in the following ways
to Pat VK2JPA via patleeper at optusnet.com.au or
Col VK2CTD via ctdavies at bigpond.net.au or
you can drop a line to PO Box 93 Toongabbie NSW 2146.
73’s for this week from Pat VK2JPA broadcast Officer.
NNNN