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FLDIGI Soundcard Calibration

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Presentation on theme: "FLDIGI Soundcard Calibration"— Presentation transcript:

1 FLDIGI Soundcard Calibration
Wwv mode George Blakeslee N1GB

2 Launch FLdigi

3 Select the WWV modem - Op Mode > WWV

4 Select the Digiscope - View > Floating Scope

5 Open Configure > Audio

6 Choose Devices tab Check Port Audio
Select Input & Output soundcards drop down menu

7 Choose Settings tab Set Sample Rate: Input & Output to Native
Set Converter: Best Sync interpolator Will be adjusting the "Rx corr Rate" while observing the slope of the time tick line.

8 Tune in WWV or WWVH 2.5, 5.0, 10.0 or 15.0 MHz

9 Observe slope of line POSITIVE NEGATIVE

10 If positive - ADD NEGATIVE value in RX ppm

11 If negative - ADD POSITIVE value in RX ppm

12 Repeat until Time Tick is vertical along guide line

13 Left-click on Time Tick line in Digiscope to center it

14 Right-click in Digiscope window to zoom 5X


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