Before LPF, 60db att. 60-14.5=45.5 dBm eq. 35.48 watt
After LPF 60-14.7=45.3 dBm eq. 33.88 watt
Diamond meter before attenuator to TinySA — around 36 watt (bad angle on photo, but IRL looks like a little more than 30 + half):
Oscilloscope before attenuator to TinySA — 120 volts peak-to-peak equals 36watt:
Looks pretty the same except TinySA, but it’s because I measured all after LPF, but TinySA after LPF + 2 attenuators, so looks like 30dB + 30dB attenuators not exact 60dB, I mean one or both of them has a some difference and not exact 30dB.