Re: 3 tips for not blowing the finals of the QDX

John Z All Messages By This Member #101783 Sverre, Yes, very likely FT8/4 is easier on the amplifier. Thermal paste may have a place though in your list of items that protect QDX. Another idea: Use an absorptive SWR indicator while tuning up. It limits the SWR excursions that QDX may see to very safe values. JZ toggle quoted message Show quoted text On Fri, Apr 28, 2023 at 1:33?PM Sverre Holm <svholm54@...> wrote: No never considered thermal paste. Perhaps FT8/4 with less than 15/7 seconds transmit time helps with the heat problem, compared to almost 2 minutes of continuous transmission in WSPR? ? -- Sverre LA3ZA

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