Archive(s) des mots-clefs
Surfin’: See Spot Sun
By Stan Horzepa, WA1LOUContributing Editor This week, Surfin’ now knows why there was a dearth of sunspots for two years. Based on a new computer model of the Sun’s interior, scientists have concluded that “plasma currents deep inside the Sun interfered with the formation of sunspots and prolonged solar minimum.” The March... »
Respected Journal Publishes Explanation for Low Sunspots
An article in the March 3 issue of the journal Nature purports to explain the extended sunspot minimum from 2008-2010. According to one of the authors, Piet Martens, the last time a sunspot minimum lasted twice as long as usual was around 1913 and before that, 1810. Although solar activity has increased recently, scientists... »
hamradio Solar & propagation Bulletin #8 Mar 4, 2011
By Max IK8LOV – exclusively for DX World.net Solar indices: SSN: 71 – ISN: 59 Area(tot): 630 – New AR today: 1 Active Regions: AR1164 – Sunspots inside: 21 (-20 from yesterday); Area: 470 (+70 from yesterday); Flares in the last 24 hr: C1.7, C5.4, C1.2, C2.0, C2.1; AR1165 – Sunspots inside: 5 (-6... »
amateur radio DXpedition Bhutan A52JY, A52KJ and A52VE
From April 19 to 26, 2011 three JA ops will be active from Bhutan. A52JY by JA1JQY A52KJ by JA1KJW A52VE by JA8VE QRV on 160-6m: RTTY, SSB and CW. Tweet Voir le lien direct de ce sujet en bas de cette page Pour découvrir tous les numéros de RADIOAMATEUR MAGAZINE déjà parus cliquez ici... »
VOTRE PANIER
 |
|
|