Comparison of two similar system
Posted by Richard Newstead on 28th May 2018
14 MHz (three days run time) 26-28 May 2018
WSPRlite 1 G31CWI
WSPRlite 2 G32CWI
Freq split = 9 Hz
WSPRlites synchronised - only simultaneous data used
Minicircuits splitter ZFSC-2-4
Antenna doublet
Samples
-7dB = 2
-6dB = 4
-5dB = 12
-4dB = 52
-3dB = 175
-2dB = 383
-1dB = 990
0dB = 1776
1dB = 949
2dB = 500
3dB = 225
4dB = 60
5dB = 23
6dB = 9
7dB = 4
8dB = 0
9dB = 0
10db = 1
WSPRlite power matching typically +/- 0.3 dB
Splitter matching +/- 0.3dB