M6OER · blog

Tag: solar

Band conditions explained: SFI, A-index and K-index

What the numbers on the band-conditions panel actually mean, and how to use them to decide which band to try tonight.

2 October 20263 min readHF0

Weekly local 2 m net

Mon 12 Oct, 20:00–21:00 BST (19:00–20:00z)

Net 2m FM
FT8 evening on 20 m

Thu 15 Oct, 19:30–21:30 BST (18:30–20:30z)

On air / personal 14.074 MHz 20m FT8
Weekly local 2 m net

Mon 19 Oct, 20:00–21:00 BST (19:00–20:00z)

Net 2m FM
Portable activation (location TBC)

Thu 22 Oct, 10:00–14:00 BST (09:00–13:00z)

Activation Multi SSB

Solar flux122

Sunspots92

A-index13

K-index1

Geomag.Very quiet

Noise floorS0-S1

Figures issued 12 Oct 12:58 UTC. Data by N0NBH · hamqsl.com.