Once again, Google is our friend:
https://www.swpc.noaa.gov/products/station-k-and-indices Station K and A Indices | NOAA / NWS Space Weather Prediction Center<https://www.swpc.noaa.gov/products/station-k-and-indices> www.swpc.noaa.gov The Station A and K indices show the fluctuations in the magnetic field, tied to specific geographic locations. The indices have a range from 0 to 9 and are directly related to the maximum amount of fluctuation (relative to a quiet day) in the geomagnetic field over a three-hour interval. Russ Edmunds WB2BJH Blue Bell, PA Grid FN20id ________________________________ From: IRCA <irca-boun...@hard-core-dx.com> on behalf of Nick Hall-Patch <n...@ieee.org> Sent: Saturday, November 24, 2018 5:56:38 PM To: Mailing list for the International Radio Club of America Subject: Re: [IRCA] propagation article This is one of these "I don't know why I bother bookmarking anything" moments. It's the Canadian government, so the websites will be shuffled around on a weekly basis. I should just create a bookmarks list that links to "404" OK, rant over. Some searching gave me these soon to be out of date links: http://geomag.nrcan.gc.ca/plot-tracee/ssp-1-en.php gives you the last 24 hours of magnetic observatory plots, but it's raw, no K-indices which are only calculated for three southerly observatories http://geomag.nrcan.gc.ca/data-donnee/indices/si-en.php will get you historical K-indices for those observatories, but it's months out of date Otherwise http://geomag.nrcan.gc.ca/data-donnee/indices/si-vi-en.php?type=hourly_ranges will get of raw geomagnetism at all the observatories until quite recently.. They have a plotting service, which which also shows you a map of the magnetic observatory locations: http://geomag.nrcan.gc.ca/plot-tracee/mp-en.php?format=html but again, raw geomagnetism. Anyone know how to calculate K indices? I have heard that "IT technicalities are preventing us from automatically providing up to date k indices on the web site.", so possibly some day they may return? They used to have a mailing list to which you could subscribe, but that has also been shot down by "IT technicalities ". There still is a service to which you could subscribe, which predicts daily geomagnetic conditions in the sub-auroral, auroral and polar cap regions, but darned if I can find out how to become a new subscriber. I may be able to find out if anyone is interested, but I'd hate to shoot down a skunk works operation, hi. best wishes, Nick At 22:14 2018-11-24, Neil Kazaross wrote: >One thing we all agree on is the desire for very low geomagnetic activity >for TP/TA. I also think he's right that we should be looking at Canadian >Arctic K indexes. How do we find those? 73 KAZ > >On Sat, Nov 24, 2018 at 2:36 PM Russ Edmunds <wb2...@bcdx.us> wrote: > > > > > There was one part of the discussion that was a bit unclear. I wasn't sure > > if they meant "under" the absorption zone to mean "South of it" or to mean > > "traversing beneath" the absorption or interchangeably both. If there was > > an intent for "beneath", then I'd have expected a further discussion of > > paths going over ( above ) the absorption. At MW, we likely see > all three. > > > > > > Russ Edmunds > > > > WB2BJH > > > > Blue Bell, PA > > > > Grid FN20id > > > > ________________________________ > > From: IRCA <irca-boun...@hard-core-dx.com> on behalf of Mark Durenberger < > > ma...@durenberger.com> > > Sent: Saturday, November 24, 2018 3:14:45 PM > > To: 'Mark Connelly'; cap...@yahoogroups.com; irca@hard-core-dx.com > > Subject: Re: [IRCA] propagation article > > > > GREAT piece! Mark, thanks for sharing. > > > > > > Cheers! > > > > Mark Durenberger > > > > -----Original Message----- > > From: Mark Connelly <markwa1...@aol.com> > > Sent: Saturday, November 24, 2018 1:01 PM > > To: cap...@yahoogroups.com; irca@hard-core-dx.com > > Subject: propagation article > > > > Maybe of some relevance to MW DX: > > <<Here is an interesting pdf document including information on the effects > > of Earth's Electron Gyrofrequency on 160 meters. > > > > The 160-Meter Band: An Enigma Shrouded in Mystery > > http://solar.spacew.com/cq/cqmar98.pdf > > > > Jerry, K4SAV>> > > > > _______________________________________________ > > IRCA mailing list > > IRCA@hard-core-dx.com > > http://montreal.kotalampi.com/mailman/listinfo/irca > > > > Opinions expressed in messages on this mailing list are those of the > > original contributors and do not necessarily reflect the opinion of the > > IRCA, its editors, publishing staff, or officers > > > > For more information: http://www.ircaonline.org > > > > To Post a message: irca@hard-core-dx.com > > > > _______________________________________________ > > IRCA mailing list > > IRCA@hard-core-dx.com > > http://montreal.kotalampi.com/mailman/listinfo/irca > > > > Opinions expressed in messages on this mailing list are those of the > > original contributors and do not necessarily reflect the opinion of the > > IRCA, its editors, publishing staff, or officers > > > > For more information: http://www.ircaonline.org > > > > To Post a message: irca@hard-core-dx.com > > > > >_______________________________________________ >IRCA mailing list >IRCA@hard-core-dx.com >http://montreal.kotalampi.com/mailman/listinfo/irca > >Opinions expressed in messages on this mailing list are those of the >original contributors and do not necessarily reflect the opinion of >the IRCA, its editors, publishing staff, or officers > >For more information: http://www.ircaonline.org > >To Post a message: irca@hard-core-dx.com Nick Hall-Patch Victoria, BC Canada _______________________________________________ IRCA mailing list IRCA@hard-core-dx.com http://montreal.kotalampi.com/mailman/listinfo/irca Opinions expressed in messages on this mailing list are those of the original contributors and do not necessarily reflect the opinion of the IRCA, its editors, publishing staff, or officers For more information: http://www.ircaonline.org To Post a message: irca@hard-core-dx.com _______________________________________________ IRCA mailing list IRCA@hard-core-dx.com http://montreal.kotalampi.com/mailman/listinfo/irca Opinions expressed in messages on this mailing list are those of the original contributors and do not necessarily reflect the opinion of the IRCA, its editors, publishing staff, or officers For more information: http://www.ircaonline.org To Post a message: irca@hard-core-dx.com