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Stations handling emergency traffic during the response to Category
5 Hurricane Iota, just off the eastern coast of Nicaragua, are
requesting clear frequencies.  Radio amateurs not involved in the
emergency response are asked to avoid, plus/minus 5 KHz, the
Hurricane Watch Net, or HWN, and WX4NHC, the National Hurricane
Center, frequencies of 14.325 and 7.268 MHz, as well as a Honduran
emergency net operation on 7.180 MHz, with net control station
HR1JFA, and a Nicaraguan emergency net operating on 7.098 MHz.  With
maximum sustained winds of 160 MPH, Hurricane Iota is expected to
bring catastrophic winds, life threatening storm surge, and
torrential rainfall to Central America.  The last time we
experienced a day with no sunspots was October 13.  Prior to that,
September 26 through October 8, September 24, and August 21 through
September 22 had no sunspots.  Cycle 25 is clearly underway and
going strong.  Average daily sunspot number over the past reporting
week, November 5 to 11 was 31.3, up from 21.3 in the previous seven
days.  Average daily solar flux increased from 81.6 to 90.  The
higher HF bands are opening up.  Geomagnetic indicators were very
quiet, with average daily planetary A index dropping from 6.3 to
4.4, and middle latitude A index, based on readings from a single
magnetometer on Wallops Island, Virginia, from 4.9 to 2.7.
Predicted solar flux for the following seven days was revised
downward on Thursday, November 12.  Predicted flux is 85 on November
13 to 15, 82 on November 16, 80 on November 17 to 19, 78 on November
20 to 25, then 80 and 82 on November 26 and 27, 86 on November 28
through December 5, then 90, 88, 86 and 84 on December 6 to 9, 82 on
December 10 and 11, 80 on December 12, 78 on December 13 to 22, 80
and 82 on December 23 and 24, and 86 on December 25 to 27.
Predicted planetary A index is 8 on November 13 to 15, 5 on November
16 to 19, then 15, 12 and 15 on November 20 to 22, then 8, 10 and 12
on November 23 to 25, 5 on November 26 through December 2, 8 on
December 3 and 4, 5 on December 5 to 8, then 8 and 10 on December 9
and 10, 5 on December 11 to 13, then 10, 5 and 10 on December 14 to
16, then 15, 12 and 15 on December 17 to 19, then 8, 10 and 12 on
December 20 to 22, then 5, 5, 8, 5 and 5 on December 23 to 27.
Geomagnetic activity forecast for the period November 13 to December
9, 2020 from F. K. Janda, OK1HH.  Solar wind will intensify on
November 18 to 20, 21 to 25, 30, December 2, 3 to 5, 9 Friday,
November 6th was a good day for 10 meters, between 2000 and 2100
UTC, a wide regional swath between the North Pacific Ocean, North
America and Western Europe were all hearing call sign prefixes of,
CE/XR, Chile CX, Uruguay LU/LW, Argentina PY, Brazil Modes heard
were CW, FT8, SSB.  Signal strength went from background noise level
of 2 up to 9 plus dB.  F2 distances ranged approximately from 3000
to 6000 miles, 4828 to 9656 km.  DXmaps on 28 MHz indicated the MUF
reached 66 MHz above grid square FN11, Williamsport, PA, at 2009
UTC, then ramped up to 72 MHz above FN00, Altoona, PA, at 2046 UTC.
For more information concerning radio propagation, see
//www.arrl.org/propagation and the ARRL Technical Information
Service.  More good information and tutorials on propagation are at
//k9la.us/.  Instructions for starting or ending email distribution
of ARRL bulletins are at //arrl.org/bulletins .

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