sunspot propagation

4 links about sunspot propagation on dxzone.com

Site listings

Propagation : Resources

Propagation eAlert Service - Automatic e-mail alert of propagation information. Gives current solar flux, Ap, Kp, solar wind information, solar and geomagnetic conditions past and forecast, sunspots, aurora index, and more.
[Hits: 531 | Votes: 1 | Rating: 10.00]
Radiowave Propagation Center - High frequecy and VHF radio propagation data, solar and geomagnetic real-time and historic data, sunspot activity reports, as well as forecasts. A comprehensive propagation resource compiled by Tomas Hood, editor of the propagation columns of CQ, CQ VHF, Popular Communications, and Monitoring Times magazines.
[Hits: 36 | Votes: 1 | Rating: 10.00]

Propagation : Sunspots

Spotless days around solar cycle transition - An interesting perspective of the transition from one solar cycle to another is given by exploring the days with no reported sunspots.
[Hits: 203 | Votes: 0 | Rating: 0.00]

Variable bandwidth cw filter - As the sunspots return and DX propagation conditions to improve, the age old problem with QRM begins to show up on the amateur bands. Thif filter help you on improving reception
[Hits: 443 | Votes: 2 | Rating: 1.50]

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