On Wednesday, April 5, 2017 at 4:14:11 AM UTC-4, wrote:
So the main point : the absolute de-acceleration is a quantity just like to the Hubble constant and the sign was in discussion ...

Nope. The magnitude of the acceleration of Pioneer is equivalent to the magnitude of the Hubble acceleration at a distance equivalent to redshift z=1. This is a mistake in the original Anderson et al 2002 paper.

but the Pioneers clocks showed a clear lowering (1.5 Hz in 8 years )

Nope. Absent any other evidence, the Pioneer effect *could* be modeled as ground station clocks drifting, but we have other data demonstrating that that is not occurring.

and that sign had also to respect the sign of solar radiation beam and the radio beam reaction force (page 73) ...

Nope. The direction of the anomalous acceleration was never in question to knowledgeable people. Perhaps the interpretation of whether to display it as a negative or positive sign was.

CM