2023 PB - noisy with HF Ham Radio

[vincedeon]

Hi All,
HF Ham radio installs in mobile are especially challenging with all of the electronics in a newer vehicle. On my 2023 PB with 7.2kW PPOB I don't know where to start. On my HF rig I see S5 noise with the accessories switched on and S9 when rolling down the road; these are in non-urban areas where I otherwise see S0 with the truck switched off and no accessories on.

There is somewhat of a clue in the DCACA referenced in this TSB given the use of Fair-Rite Corp snap-on beads, however my vehicle is equipped with the 7.2kW Pro Power Onboard. I'd like to try snapping on some beads but don't know where to start.

Is anyone else running HF in a 2023 PB and how have you mitigated the RF noise that the truck generates?

73

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[lkellar]

I had a 23PB as well. Extremely noisey on 40m and 10m. Traced it back to when regeneration was happening. At idle it was ok...My 25 lightning is a hopeless case. Only quiet at idle

 

[firefightingjosh]

Not running HF, but getting ready to toss my 2m/70cm in. Hopefully I won't have issues with those bands. I wonder if using better shielded wire or something would help?

 

[vincedeon]

The issue at HF is the receiver is incredibly sensitive and not squelched unless in FM mode. So it hears everything.

No issues at V/UHF at all.

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