SRC-119
Madrigal incoherent scatter radar measurements, Sondrestrom 67.0N, F-region 200-300 km, solar max 2000 and solar min 2008.
Sondrestrom IS Radar via Madrigal / CEDAR openmadrigal ·2000, 2008 · T1 measured result, peer reviewed · VC06
Published claims resting on this source
- CLM-0095 My earlier duty-cycle figures were percentages of a filtered subset, not of all measured conditions, but were written as though they were of all conditions. The correct all-conditions figures are 23.8 per cent and 1.5 per cent, not 38.5 and 4.9.
- CLM-0098 Moving to 5.8 gigahertz helps much less at the mid-latitude radar site measured (Millstone Hill) than at the high-latitude one (Sondrestrom), and by one reasonable measure it is worse there.
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energyaperture.com/s/src-119
SRC-119 , recorded 2026-09-02.