14 May
2007
14 May
'07
1:47 a.m.
I observe that the frequency is higher on the day (sat in sunlight) than in the night. The difference is abt. 500 Hz from the nominal 437.322 MHz (USB).
Can someone share this experience?
Hi Mike,
We've observed a similar difference here at Cal Poly. The satellite's frequency has always been pretty sensitive to temperature. It was calibrated at room temperature (~23 C), which probably accounts for the .322 vs .325.
Keith McCabe, KI6CWF