SEPT 18 
o Ae 1944 
x BAND 
DB BELOW 4 WATT 
(Ae ae eae 
ert tt 
Fob ane Sa 
“op cai i “ae 
S BAND 
Figure 4. Relation between S- and X-band signal 
strengths. 
410) I] 
4 
el 
iia 
we 
23 
ge | | 
Ww 
ZS 80 
a 
ee ae 
s 
a : 
= alae 
80 60 40 20 
DB BELOW 1 WATT 
HIGH RECEIVER 
Ficure 5. Relation between signal strengths at high 
and low receivers. 
I SEPT 18-24 1944 Pal 
127 MC 
OB BELOW 1 WATT 
DB BELOW 1 WATT 
S BAND 
Ficure 6. Relation between 117-mc and S-band signal 
strengths. 
APPENDIX 
RANGE IN STATUTE MILES 
SIGNAL STRENGTH OF TARGET AT EASTERN POINT 
OB BELOW 1 WATT 
OB BELOW 1 WATT 
SIGNAL STRENGTH 
Ficure7. Relation between one-way and radar trans- 
mission, Race Point to Eastern Point. 
60 
DB BELOW 1 WATT 
SIGNAL STRENGTH 
Ficure 8. Relation between maximum radar ranges 
and one-way transmission. 
Profiis of Tronsmission Path 
Race Point To Eastern Point 
300 Stondard Retraction 300 
(Meaeure Height Verticoty) 
200 200 
T R 
100 100 
IR 
0 ‘Oo 
-—————a Miles —————>| 
Figure 9. Transmission path profiles. (Heights in feet.) 
