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Re: FR Stack on Pi questions


 

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You can edit the appsettings.json file in the FRStack folder located in the /usr/local/frstack folder

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The latest FRStack webapi install does not set the amp to 50 watts after tuning. (previous versions did)

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There is a setting for maximum power when amp is in operate which? defaults to 50, so if your radio was at 100 watts on 10 meters for example and you QSY to 10 meters, power would be set to 50. If you had power for 10 meters set to 40 before QSYing, it would be 40. This is only to help protect the amp if you have the power too high and forget to adjust it lower to prevent overdriving the amp. You can disable it by changing to zero or set to whatever maximum power you want, but it is for all bands.

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Here is the PG XL settings from the appsettings.json file

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"PgxlTuneStandby": "true", // this will set AMP to STANDBY when TUNE is activated

??? "PgxlModeRestore": "true", // this will return AMP to OPERATE after TUNE complete

??? "PgxlRadioMaxPower": "50", // this is MAX radio power level when AMP is OPERATE

??? "PgxlRadioStandbyPower": "100", // this is MAX radio power level when AMP is STANDBY

??? "PGXLOnAntenna": "0", // 0 or 1 or 2; 0 for both, 1 for ANT1, 2 for ANT2

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73

Dave wo2x

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From: [email protected] <[email protected]> On Behalf Of Patrick Lenn via groups.io
Sent: Sunday, April 27, 2025 12:07 PM
To: [email protected]
Subject: [nodered-hamradio] FR Stack on Pi questions

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I wanted to make sure I understand how this will work before I commit to trying it as I just got my NR all swapped over to a new Pi. I admit it would be nice to have one less program running on my PC.?

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  1. If I chose to run FR Stack on my RaspberryPi instead of on my shack PC then can I still VNC into the Pi and adjust settings in FRStack with a graphical interface? Reason I ask is the default FRStack settings for PGXL limit drive power to 50w and it needs to be changed.??
  2. I'm assuming this would still allow me to run my StreamDeck Rest commands because they'd be sending those to the Pi instead of the shack PC yes??

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Anyone who is running FRStack on a Pi I'd love to hear your experiences. I have no particular issues with it running on my PC, but I love the idea of having one less program running in the background on the PC.?

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