**Figure 1:** Mean row of median stack of 9 bias images.

**Figure 2:** Mean row and column of median stack of 9 bias images.

**Figure 3:** 2-d FFT of the median bias stack.

**Figure 4:** Mean row FFT of the median bias stack

**Figure 5:** The histogram of the single bias image 314227b.fits

**Figure 8:** Linearity curve, expressed in terms of count rate.

**Table 2:** Amplitude of bias variation and interference noise in full-frame bias images (ADUs)

**Table 3:** Mean bias and standard deviation of bias (ADUs)

**Table 4:** Linearity and transfer curve data for window (20:300,20:300).

Wed Jun 28 16:33:36 HST 1995