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Weather Satellite Images
 With color precipitation enhancement, map color and 10° grid. 
Produced by Thomas Williams, K9AC at Sequim, Washington, USA 48° N 123° W 

Next up:  NOAA 19-77 E     10:47 PDT   Forecast  NWS  Discussion  DIY Microscope: SolderScope 
Add 7 hours for UTC
00Z (~7PM)    NWS 500 MB    12Z  (~7AM) Software: Puppy Linux and WXToImg

NOAA 18 2024-03-27 23:56 PDT
NOAA 19 2024-03-27 22:30 PDT

NOAA 19 2024-03-27 20:49 PDT

NOAA 18 2024-03-27 12:26 PDT

NOAA 18 2024-03-27 00:09 PDT

NOAA 18 2024-03-26 22:27 PDT

NOAA 19 2024-03-26 21:01 PDT

NOAA 18 2024-03-26 12:38 PDT

NOAA 18 2024-03-25 22:40 PDT

NOAA 19 2024-03-25 21:13 PDT


Updated Satellite Predictions for Sequim, Washington, USA

Start of Pass Image Available Maximum Elevation Frequency
Satellite UTC local time UTC local time (east or west) MHz
NOAA 19 28 Mar 17:47 28 Mar 10:47 28 Mar 17:56 28 Mar 10:56 77° E 137.10
NOAA 18 28 Mar 19:13 28 Mar 12:13 28 Mar 19:23 28 Mar 12:23 72° E 137.9125
NOAA 19 29 Mar 05:17 28 Mar 22:17 29 Mar 05:26 28 Mar 22:26 43° W 137.10
NOAA 18 29 Mar 06:43  28 Mar 23:43 29 Mar 06:52 28 Mar 23:52 48° W 137.9125
NOAA 19 29 Mar 17:35 29 Mar 10:35 29 Mar 17:44 29 Mar 10:44 61° E 137.10
NOAA 18 29 Mar 19:01 29 Mar 12:01 29 Mar 19:10 29 Mar 12:10 57° E 137.9125
NOAA 19 30 Mar 05:05 29 Mar 22:05 30 Mar 05:14 29 Mar 22:14 54° W 137.10
NOAA 18 30 Mar 06:30 29 Mar 23:30 30 Mar 06:40 29 Mar 23:40 60° W 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.
Height is 4 meters above ground at the top.