Weather Satellite Images

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Weather Satellite Images With color precipitation enhancement, map color and 10° grid. Produced by Thomas Williams, K9AC at Port Williams, Washington, USA 48° N 123° W
Next up: NOAA 19-29 E 07:36 PST	Forecast NWS Discussion	DIY Microscope: SolderScope
Add 8 hours for UTC	00Z (~7PM) NWS 500 MB 12Z (~7AM)	Software: Puppy Linux and WXToImg

Updated Satellite Predictions for Port Williams, Washington, USA

Start of Pass Image Available Maximum Elevation Frequency

Satellite UTC local time UTC local time (east or west) MHz

NOAA 19 14 Apr 14:36 14 Apr 07:36 14 Apr 14:50 14 Apr 07:50 29° E 137.10

NOAA 19 14 Apr 16:16 14 Apr 09:16 14 Apr 16:33 14 Apr 09:33 37° W 137.10

NOAA 15 14 Apr 16:18 14 Apr 09:18 14 Apr 16:36 14 Apr 09:36 54° W 137.62

NOAA 18 14 Apr 19:00 14 Apr 12:00 14 Apr 19:15 14 Apr 12:15 46° W 137.9125

NOAA 15 15 Apr 02:00 14 Apr 19:00 15 Apr 02:18 14 Apr 19:18 32° E 137.62

NOAA 19 15 Apr 02:03 14 Apr 19:03 15 Apr 02:21 14 Apr 19:21 57° E 137.10

NOAA 15 15 Apr 03:40 14 Apr 20:40 15 Apr 03:54 14 Apr 20:54 30° W 137.62

NOAA 18 15 Apr 04:47 14 Apr 21:47 15 Apr 05:02 14 Apr 22:02 48° E 137.9125

QFH Self Phasing Receiving Antenna

Self-Phasing Quadrifilar Helix

Satellite image data is received with this antenna.
The support structure is made of plastic pipe.
Helical elements are loops of LMR-400 coaxial cable.
RG-8 Mini-Foam coax is used for the balun and feedline.
Dimensions are from John Coppens' Antenna Calculator.

NOAA 18 2021-04-13 22:01 PDT	NOAA 15 2021-04-13 19:27 PDT
NOAA 19 2021-04-13 19:18 PDT	NOAA 18 2021-04-13 12:12 PDT
NOAA 18 2021-04-13 10:32 PDT	NOAA 15 2021-04-13 09:43 PDT
NOAA 19 2021-04-13 09:28 PDT	NOAA 19 2021-04-13 07:47 PDT
NOAA 18 2021-04-12 22:13 PDT	NOAA 15 2021-04-12 19:52 PDT

	Start of Pass		Image Available		Maximum Elevation	Frequency
Satellite	UTC	local time	UTC	local time	(east or west)	MHz
NOAA 19	14 Apr 14:36	14 Apr 07:36	14 Apr 14:50	14 Apr 07:50	29° E	137.10
NOAA 19	14 Apr 16:16	14 Apr 09:16	14 Apr 16:33	14 Apr 09:33	37° W	137.10
NOAA 15	14 Apr 16:18	14 Apr 09:18	14 Apr 16:36	14 Apr 09:36	54° W	137.62
NOAA 18	14 Apr 19:00	14 Apr 12:00	14 Apr 19:15	14 Apr 12:15	46° W	137.9125
NOAA 15	15 Apr 02:00	14 Apr 19:00	15 Apr 02:18	14 Apr 19:18	32° E	137.62
NOAA 19	15 Apr 02:03	14 Apr 19:03	15 Apr 02:21	14 Apr 19:21	57° E	137.10
NOAA 15	15 Apr 03:40	14 Apr 20:40	15 Apr 03:54	14 Apr 20:54	30° W	137.62
NOAA 18	15 Apr 04:47	14 Apr 21:47	15 Apr 05:02	14 Apr 22:02	48° E	137.9125