To realize this Bullettin Sixitalia use news (except when clearly indicate) extract by (in alphabetic order): 425dxn, 50 MHz DX News by OZ6OM, ARRL DX bullettin, Dxcoffe, DXNL, www.dx-world.net, ICPO, MMMonVHF, OPDX, www.rudius.net & 70mhz.org.
A single small sunspot appeared on July 21, then disappeared. Before that, no sunspots appeared since June 26. The daily sunspot number on July 21 was 11, which is the minimum non-zero sunspot number.
Because there were no sunspots over the previous week, average daily sunspot numbers increased from 0 to 1.6, while average daily solar flux for the week declined from 71.8 to 68.4.
Average daily planetary A index changed from 6.4 to 8.1, and average daily mid-latitude A index (measured in Virginia) increased from 6.1 to 8.
Predicted solar flux is much lower than recently expected. Expected flux values (
... Читать дальше »
SB PROP @ ARL $ARLP030
ARLP030 Propagation de K7RA
ZCZC AP30
QST de W1AW
Propagation Forecast Bulletin 30 ARLP030
From Tad Cook, K7RA
Seattle, WA July 27, 2018
To all radio amateurs
SB PROP ARL ARLP030
ARLP030 Propagation de K7RA
A single small sunspot appeared on July 21, then disappeared.
Previous to that, no sunspots appeared since June 26. The daily
sunspot number on July 21 was 11, which is the minimum non-zero
sunspot number.
Because there were no sunspots over the previous week, average daily
sunspot numbers increased from 0 to 1.6, while average daily solar
flux for the week declined from 71.8 to 68.4.
Average daily planetary A index changed from 6.4 to 8.1, and average
daily mid-latitude A index (measured in Virginia) increased from 6.1
to 8.
Predicted solar flux is much lower than recently expected. Expected
flux values (based on the July 26 prediction)
... Читать дальше »
AS-008; JA1, North Izu Islands: Take/JI3DST activates Shikine Island as JI3DST/1 between
the 25th and 30th on 40-6m (SSB, CW, FT8) and in the IOTA Contest. QSL via JI3DST.
AS-036; JA6, Iki/ Tsushima Islands: Ken/JE6HCL operates from Iki
Island during the contest, signing his call /6. QSL via JE6HCL (d/B).
AS-073; 9M2, Kelantan/Terengganu State group: Luca/IK2PFL puts
Perhentian Kecil Island on the air during the contest as 9M2/IK2PFL. QSL via IK2PFL.
AS-078; JA8, Hokkaido Island: Taka/JA8COE will be active from his
home
... Читать дальше »
Четверг, 21.11.2024, 11:19
SB PROP @ ARL $ARLP030
ARLP030 Propagation de K7RA
ZCZC AP30
QST de W1AW
Propagation Forecast Bulletin 30 ARLP030
From Tad Cook, K7RA
Seattle, WA July 27, 2018
To all radio amateurs
SB PROP ARL ARLP030
ARLP030 Propagation de K7RA
A single small sunspot appeared on July 21, then disappeared.
Previous to that, no sunspots appeared since June 26. The daily
sunspot number on July 21 was 11, which is the minimum non-zero
sunspot number.
Because there were no sunspots over the previous week, average daily
sunspot numbers increased from 0 to 1.6, while average daily solar
flux for the week declined from 71.8 to 68.4.
Average daily planetary A index changed from 6.4 to 8.1, and average
daily mid-latitude A index (measured in Virginia) increased from 6.1
to 8.
Predicted solar flux is much lower than recently expected. Expected
flux values (based on the July 26 prediction)
