52 12€ S2 30" E 68 30^ w 68°00" W 
29' 45° N 29° 45“ N 46:00" N 46‘ 00" N 
91 89 63 65 
164 664 796 706 ss 
71 89 63 59 
40 so 
75 73 48 70 
517 243 433 696 45 
86 72 57 63 
35 40 
89 70 54 75 
1232 177 407 1112 35 
70 68 81 125 
30 30 
116 68 45 130 
975 596 209 832 25 
118 123 124 170 
25 20 
AE 127 109 98 104 
1040 1185 1270 721 49 IS" N > > 45" 15" N 
22 36°" 1S 3 
29°20" N 29°20" N 68 30" W 68 00" W 
16'307 21 25° 30° 
52 12^ E 52°30" E 
SIGMA-T VALUES (IN FEET) FOR MAINE 
SIGMA-T VALUES (IN FEET) FOR IRAN 
122/30" W 122 00^ w 93007 W. 9236 W 
4V 00^ N 4V 00^ N S3 507N E 33'507 N 
53 31 38 25 50 
ss 751 S81 694 511 as’ 
a2 31 27 34 39 
40 
-udy so 900 425 674 365 44 54 22 28 27 
3s 
37 42 26 25 29 
2 as 606 395 273 307 ae 
1s 38 36 53 24 26 
pes. 25 
e 40 282 43 114 228 36 34 38 37 25 
20 
| 39 38 37 32 48 
® 15 
on 3s 248 54 94 289 32 26 31 30 38 
40°30" N 40' 30^ N SS 107 N 33' 107 N 
22 30* 15 7 30° se sr 46 ar 
| the 12230" W 122/00" w 93°00" W 92°36" W 
SIGMA-T VALUES (IN FEET) FOR CALIFORNIA SIGMA-T VALUES (IN FEET) FOR ARKANSAS 
e of 
. 
led Table 1. Study Area Sigma-t Values 
of 
.owed 
ey 
2 144 à 443 age Baia 
NH 39.1 | NH39-2 | NH39:3 | NH 394 | NH 401 192 | *-Tambre)t 
IRAN rai a|NL19-3 dULE 
suns ST LAW, 
NH 39.7 | NH 398 NH 40-5 5 V enesout sie INL 19-6 
iic 44 NL195 |; EW 
: +® wooosTock @ 
REDERICTORS. | 
NH 39-11 | NH 39.12 | NH 40-9 MILLINOCKET a 
, NL198| NL199 | + 
ta NEUTRAL|ZONE 9 MAINE en LR 
P3913 | NH 39-14 [\NH 39-15 | NH 39-16 | NH 40-13 Pe ueri" SEO NVA 
ve 444 | 443 10! NL 19 t 19-17 
PERSIAN|GULT- Nely7 | 548 os | UN B 
NG 39-2 NG 39-3 ^ | WD 39.4 NG 40-1 ST, 
; K STATES 
27° 
48 55*30' 43* NK192 |ATLANTIC OCEAN |,.. 
74* : 64* 
id in 
ms «5 nm, Vou 
: OREGON r == 6° 
e NK 10:5 NK 10-6 NI 14-3 Nl 5-1 NI 15-2 MISSOURI-* Jemen 
: oar lo fnRusseLLvitee| NI 15-3 NI 16-1 
ause MEDFORD | © 5 LAHOMA | FORTS > 
b. er | SLAMATH EALLSIS 1 5 Ln -- cu . | MEMPHIS@TENNESSEE| 
NK 10:8 | NK109 |e"NK 117 OK AHONA MCALESTER [LITTLE ROC f d 1 
Lor ws pris ! ARDMORE| N! 15-4. |NF15-5 NI 154 NI 16-4 ! 
ALI ‘ e. : A KANSAS ‘ TUPELO | 
the 125 ; M. ENS EST POINT | 
REDDING ¢ NK 10: ' -10 SHERMAN @ “ud w 1 
a | NK11 Ni 15-7 2 N( 15-9 © 
id to NK 10-11 | westwooD | ie NI 14-9 ORA Ld catEwwooo | NI 16-7 | 
1 à : 4. MISSISSIPP| j 
, : DALLASe 1 ; 
eCHICO i RENO il \ NI 15-11 ii 
NJ 10-2 NJ 103 ;e NJ111 NI 14-12 | N1 15-10 :| Ashreveroar | NI FB-12 LK 16.10 i= 
eUKIAH | TEXAS OTYLER | J MERIDIAN® iS 
: | LOUISIANA im 
WALKER Like ® PALESTINE 3 ÁN + 
: SACRAMENTO, ^ g^ co 1 ) NH 16-1i * 
SNIQ5 | *jjpg | NUI NH 14.3 | NH 15-1. | NH 1X2 KS . 
38° SANTA ROSA "s 38° 31° ALEXANDRIA NA: HATTIESBURG 
128° & 4 i 31: 
118 98° ass 
it 
ing 
uth 
For 
. . 
Figure 1. Study Area Locations