Educational topic: FT8 digital mode What is FT8 Digital operating - - PowerPoint PPT Presentation

educational topic ft8 digital mode what is ft8
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Educational topic: FT8 digital mode What is FT8 Digital operating - - PowerPoint PPT Presentation

Educational topic: FT8 digital mode What is FT8 Digital operating mode that started gaining momentum in 2017 Named after Its developers Steven Franke (K9AN) Joe Taylor (K1JT) Mode uses an 8-frequency shift keying format Signals occupy 50 Hz


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Educational topic: FT8 digital mode

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www.coppellhams.org

Digital operating mode that started gaining momentum in 2017 Named after

Its developers

Steven Franke (K9AN) Joe Taylor (K1JT)

Mode uses an 8-frequency shift keying format

Signals occupy 50 Hz

What is FT8

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www.coppellhams.org

15 seconds of concerted screaming

13 seconds of noise 2 seconds of silence

FT8 sound

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www.coppellhams.org

WSJT-X digital software program

Website: http://physics.princeton.edu/pulsar/K1JT/

Interface from your computer to the radio

SignaLink USB is a popular option

What you need

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www.coppellhams.org

My setup

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TAK-tenna 80m 100-feet of LMR 400 Coax Comet Flat Feed-Thru Cable

My setup

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How do you know you’re getting out there

https://pskreporter.info/pskmap.html

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Waterfall from WSJT-X

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WSJT-X main screen

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Band activity

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RX frequency (this is what you’re ‘listening to’)

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www.coppellhams.org

QSO area

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CQ with my grid I hear you, here’s my grid and a signal report Roger, here’s your signal report Roger Roger, 73 73 CQ with my location

What a QSO looks like

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What a QSO looks like

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You can call generally

CQ K8AMH EM12

You can specify a state you’re trying to work

CQ HI K8AMH EM12

You can specify you’re trying to work DX

CQ DX K8AMH EM12

When calling CQ

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www.coppellhams.org Aruba 1 Brazil 1 Canada 8 Dominican Rep. 1 Guatemala 1 Haiti 1 Japan 1 Mexico 3 United States 109

FT8 during RTTY Roundup

Band QSOs 80m (3.5 MHz) 7 40m (7 MHz) 34 20m (14 MHz) 83

Countries worked QSO count (can contact same station on other bands)

Total Time On: 11:57 (717 minutes)

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FT8 during RTTY Roundup

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Tune your antenna! Transmitting on 80 meters causes

Lights to turn on and off Alarm panel to beep randomly

Always Upper Side Band

FT8 lessons learned

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Get to know your Automatic Level Control (ALC) meter

ALC circuit governs signal strength going into the power amplifier

Icom likes the meter to be somewhat full… Elecraft wants none of that…

FT8 lessons learned

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Turn off filtering You could be calling CQ for a while Operating split could help you You need to see if someone started to step on you

FT8 lessons learned

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Please be kind