Table D-1. RVR Transmittance Conversion Table for Tasker 400 and Equivalent
Systems with 250-Foot Baseline -- Contrast Threshold 5.5 Percent
| DAY | NIGHT | ||
|---|---|---|---|
| RVR (Ft) 400 ---------------- 600 ---------------- 800 ---------------- 1000 ---------------- 1200 ---------------- 1400 ---------------- 1600 ---------------- 1800 ---------------- 2000 ---------------- 2200 ---------------- 2400 ---------------- 2600 ---------------- 2800 ---------------- 3000 ---------------- 3500 ---------------- 4000 ---------------- 4500 ---------------- 5000 ---------------- 5500 ---------------- 6000 ---------------- |
LS 5 --- .0299 --- .1038 --- .1974 --- .2905 --- .3746 --- .4479 --- .5107 --- .5644 --- .6104 --- .6499 --- .6840 --- .7136 --- .7395 --- .7774 --- .8194 --- .8431 --- .8584 --- .8710 --- .8815 --- .8905 |
LS 5 --- .0013 --- .0113 --- .0351 --- .0707 --- .1134 --- .1590 --- .2048 --- .2492 --- .2913 --- .3307 --- .3674 --- .4014 --- .4328 --- .4820 --- .5415 --- .5906 --- .6317 --- .6662 --- .6957 --- .7209 |
RVR (Ft) 400 ---------------- 600 ---------------- 800 ---------------- 1000 ---------------- 1200 ---------------- 1400 ---------------- 1600 ---------------- 1800 ---------------- 2000 ---------------- 2200 ---------------- 2400 ---------------- 2600 ---------------- 2800 ---------------- 3000 ---------------- 3500 ---------------- 4000 ---------------- 4500 ---------------- 5000 ---------------- 5500 ---------------- 6000 ---------------- |
| LS - Light Setting | |||
Note: When a given value of RVR is being reported, the transmittance
shall be between the two adjacent values listed in the table.
Table D-2. RVR Transmittance Conversion Table for Tasker 500 and Equivalent
Systems with 250-Foot Baseline -- Contrast Threshold 5.0 Percent
| DAY | NIGHT | ||
|---|---|---|---|
| RVR (Ft) 500 ---------------- 600 ---------------- 700 ---------------- 800 ---------------- 1000 ---------------- 1200 ---------------- 1400 ---------------- 1600 ---------------- 1800 ---------------- 2000 ---------------- 2200 ---------------- 2400 ---------------- 2600 ---------------- 2800 ---------------- 3000 ---------------- 3500 ---------------- 4000 ---------------- 4500 ---------------- 5000 ---------------- 5500 ---------------- 6000 ---------------- |
LS 5 --- .0449 --- .0823 --- .1264 --- .1974 --- .2905 --- .3746 --- .4479 --- .5107 --- .5644 --- .6104 --- .6499 --- .6840 --- .7136 --- .7395 --- .7774 --- .8190 --- .8384 --- .8541 --- .8671 --- .8779 --- .8871 |
LS 5 --- .0027 --- .0075 --- .0159 --- .0351 --- .0707 --- .1134 --- .1590 --- .2048 --- .2492 --- .2913 --- .3307 --- .3674 --- .4014 --- .4328 --- .4820 --- .5415 --- .5906 --- .6317 --- .6662 --- .6957 --- .7209 |
RVR (Ft) 500 ---------------- 600 ---------------- 700 ---------------- 800 ---------------- 1000 ---------------- 1200 ---------------- 1400 ---------------- 1600 ---------------- 1800 ---------------- 2000 ---------------- 2200 ---------------- 2400 ---------------- 2600 ---------------- 2800 ---------------- 3000 ---------------- 3500 ---------------- 4000 ---------------- 4500 ---------------- 5000 ---------------- 5500 ---------------- 6000 --------------- |
| LS - Light Setting | |||
* Nighttime readings on the recorder cannot be determined for less than
700 feet. Report, if appropriate, M0700FT.
Note: When a given value of RVR is being reported, the transmittance
shall be between the two adjacent values listed in the table.