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