How about starting next week? I suggest Wednesday, Feb 2 at 11:45am. The access to the trailhead is on the southwest side of "A" Mountain. The easiest way to locate it is that it is off the "overflow" parking section of the Tempe Mission Palms parking lot (when you turn into the Tempe Mission Palms parking lot, make an immediate left into the overflow parking section). Technically, you are not allowed to park there, but people do all the time. Acceptable (legal) public parking is across the street.
I was hoping for 2-3 times per week for frequency, but let's play it by ear. Assuming Feb 2 works out, we can plan on Feb 4 at 11:30am or 11:45am.
Let me know if this works for you. If so, we can meet at the start of the path at 11:40ish am on Feb 2. We can reconfirm the day before to be sure (weather permitting, etc.).
