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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 19-45 E     14:54 PDT   Forecast  NWS  Discussion Satellite Receiver: Hamtronics R139
Add 7 hours for UTC
00Z (~7PM)    NWS 500 MB    12Z  (~7AM) Software: Puppy Linux and WXtoImg

NOAA 18 2017-03-30 08:40 PDT
NOAA 15 2017-03-30 08:22 PDT

NOAA 19 2017-03-30 05:08 PDT

NOAA 18 2017-03-29 18:43 PDT

NOAA 15 2017-03-29 18:31 PDT

NOAA 19 2017-03-29 15:08 PDT

NOAA 15 2017-03-29 08:48 PDT

NOAA 15 2017-03-29 07:06 PDT

NOAA 19 2017-03-29 05:19 PDT

NOAA 18 2017-03-28 18:56 PDT


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 30 Mar 21:54 30 Mar 14:54 30 Mar 22:10 30 Mar 15:10 45° E 137.10
NOAA 19 30 Mar 23:35 30 Mar 16:35 30 Mar 23:50 30 Mar 16:50 30° W 137.10
NOAA 15 31 Mar 01:03 30 Mar 18:03 31 Mar 01:19 30 Mar 18:19 51° E 137.62
NOAA 18 31 Mar 01:28  30 Mar 18:28 31 Mar 01:44 30 Mar 18:44 43° E 137.9125
NOAA 18 31 Mar 03:09 30 Mar 20:09 31 Mar 03:24 30 Mar 20:24 33° W 137.9125
NOAA 19 31 Mar 11:52 31 Mar 04:52 31 Mar 12:09 31 Mar 05:09 86° E 137.10
NOAA 15 31 Mar 14:54 31 Mar 07:54 31 Mar 15:11 31 Mar 08:11 89° W 137.62
NOAA 18 31 Mar 15:26 31 Mar 08:26 31 Mar 15:43 31 Mar 08:43 80° 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
Height is 4 meters above ground at the top.