<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-19 -078 04:30:00.000"
URSICode="SMK29"
StationName="Santa Maria"
GeoLatitude="-29.69"
GeoLongitude="307.81"
Source="Ionosonde"
SourceType="DPS-4D"
ScalerType="auto">
<SystemInfo UMLStationID="129">
<FrequencyStepping StartFrequency="2.0" StopFrequency="15.0">
<LinearStepping Step="0.025" Units="MHz" />
</FrequencyStepping>
<RangeStepping StartRange="80.0" StopRange="1360.0" >
<LinearStepping Step="2.5" Units="km" />
</RangeStepping>
<AutoScaler Name="Artist5" Version="500200" ArtistFlags="2 2 0 0 0 0 0 0 0 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 70% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.19 (078) 04:30:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202607803190430001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.325" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.779" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="20.121" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.225" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.225" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.525" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="247.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="247.500" Name="h`F2" Units="km" QL="/" DL="/" />
<URSI ID="90" Val="110.000" Name="hmE" Units="km" QL="/" DL="/" />
<URSI ID="83" Val="20.000" Name="yE" Units="km" QL="/" DL="/" />
<URSI ID="86" Val="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="5.250" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="274.923" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.225" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.225" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="253.910" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="240.016" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.930" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="20.623" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.629" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="22.820" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.500" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="85">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.225 3.25 3.275 3.3 3.325 3.35 3.375 3.4 3.425 3.45 3.475 3.5 3.525 3.55 3.575 3.6 3.625 3.65 3.675 3.7 3.725 3.75 3.775 3.8 3.825 3.85 3.875 3.9 3.925 3.95 3.975 4.0 4.025 4.05 4.075 4.1 4.125 4.15 4.175 4.2 4.225 4.25 4.275 4.3 4.325 4.35 4.375 4.4 4.425 4.45 4.475 4.5 4.525 4.55 4.575 4.6 4.625 4.65 4.675 4.7 4.725 4.75 4.775 4.8 4.825 4.85 4.875 4.9 4.925 4.95 4.975 5.0 5.025 5.05 5.075 5.1 5.125 5.15 5.175 5.2 5.225 5.25 5.275 5.3 5.325
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
247.500 247.500 247.500 247.500 247.500 250.000 252.500 255.000 257.500 260.000 263.333 266.667 270.000 273.750 277.500 281.250 285.000 285.000 283.750 282.500 281.250 280.000 278.750 277.500 276.250 275.000 273.750 272.500 271.250 270.000 268.750 267.500 266.250 265.000 263.750 262.500 261.250 260.000 260.000 265.000 266.250 267.500 265.000 262.500 260.000 262.500 262.500 260.000 260.000 260.000 259.167 258.333 257.500 257.500 257.500 258.333 259.167 260.000 260.000 259.167 258.333 257.500 257.500 257.500 258.750 260.000 260.000 265.000 270.000 271.667 273.333 275.000 270.000 272.500 272.595 272.711 272.855 273.039 273.282 273.619 274.116 274.923 276.462 280.555 324.619
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 0 90 90 93 87 87 75 0 75 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 102 99 99 102 99 0 90 0 0 90 96 96 90 63 66 66 69 0 87 81 0 102 0 0 87 0 90 0 87 0 99 63 63 66 63 0 0 63 66 0 60 0 0 60 66 63 60 102 96 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
1.5625 1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 1.5625 1.5625 -1.5625 1.5625 1.5625 1.5625 -1.5625 -1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 1.5625 1.5625 -1.5625 1.5625 -1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="340">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 142.08333 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 174.16667 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 206.25 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 253.91 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.21213934 0.23390245 0.2526677 0.26895854 0.28319094 0.29565945 0.30659118 0.31614733 0.32445762 0.331616 0.33769703 0.34275886 0.34684667 0.3499937 0.352225 0.3535571 0.354 0.3538872 0.35354906 0.35298675 0.3521277 0.3511249 0.34983355 0.34833378 0.34655926 0.3445913 0.34229675 0.3398302 0.33706498 0.33401984 0.33071515 0.327109 0.32322994 0.31904808 0.31454307 0.3097052 0.30453598 0.29904887 0.29310012 0.2867813 0.2800439 0.2727352 0.26502842 0.25670934 0.24776544 0.23820302 0.22786881 0.21668318 0.20459439 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.204 0.2088 0.2136 0.2184 0.2232 0.228 0.2328 0.2376 0.2424 0.2472 0.252 0.2568 0.2616 0.2664 0.2712 0.276 0.2808 0.2856 0.2904 0.2952 0.3 0.3048 0.3096 0.3144 0.3192 0.324 0.3288 0.3336 0.3384 0.3432 0.348 0.3528 0.354 0.37997437 0.4192016 0.46452725 0.5168506 0.57691944 0.6451854 0.7215566 0.80540913 0.8956651 0.991097 1.0904574 1.1927898 1.2972994 1.4034371 1.5108768 1.6194031 1.7288703 1.8392465 1.9505166 2.0627015 2.1758485 2.2899966 2.4052403 2.52161 2.6392024 2.7580912 2.8783562 3.0000424 3.1232154 3.2479594 3.3743198 3.5022945 3.6319275 3.7631912 3.896027 4.03032 4.165841 4.3022814 4.439079 4.575476 4.710202 4.8414807 4.966655 5.0819182 5.1820054 5.2603626 5.3098664 5.325 5.3249626 5.319603 5.3055634 5.283409 5.253706 5.217017 5.173898 5.1248927 5.070529 5.0113177 4.94775 4.880295 4.8093996 4.7354875 4.658958 4.580188 4.499529 4.4173098 4.333837 4.249394 4.1642427 4.0786257 3.9927635 3.9068599 3.8210993 3.7356503 3.6506646 3.5662794 3.482618 3.3997903 3.3178937 3.2370145 3.157229 3.0786026 3.0011926 2.9250474 2.850208 2.7767088 2.704577 2.6338346 2.5644977 2.496578 2.4300828 2.365015 2.3013744 2.2391572 2.1783571 2.118965 2.060969 2.0043564 1.9491115 1.8952177 1.8426567 1.7914093 1.7414551 1.6927727 1.6453406 1.5991358 1.5541353 1.510316 1.4676541 1.4261258 1.3857069 1.3463736 1.3081017 1.2708673 1.2346469 1.1994164 1.1651527 1.1318322 1.0994322 1.0679301 1.0373034 1.0075302 0.97858876 0.9504578 0.9231164 0.89654404 0.87072057 0.84562624 0.82124174 0.7975481 0.7745268 0.7521597 0.7304291 0.70931774 0.6888086 0.6688853 0.6495316 0.6307319 0.6124707 0.5947332 0.5775047 0.56077105 0.54451835 0.52873313 0.5134023 0.498513 0.48405278 0.47000948 0.45637134 0.44312683 0.43026477 0.4177743 0.40564477 0.393866 0.38242787 0.3713207 0.36053497 0.35006154 0.33989137 0.33001584 0.32042643 0.31111497 0.30207342 0.293294 0.2847692 0.2764917 0.2684543 0.26065016 0.25307247 0.24571474 0.2385706 0.23163387 0.22489856 0.21835884 0.21200907 0.20584373 0.19985749 0.19404517 0.18840171 0.18292224 0.17760201 0.17243639 0.1674209 0.16255118 0.15782303 0.15323229 0.14877503 0.14444734 0.14024548 0.13616578 0.13220471 0.12835881 0.12462475 0.12099927 0.11747922 0.11406154 0.110743254 0.10752147 0.10439339 0.10135629 0.09840752 0.095544524 0.0927648 0.090065934 0.087445565 0.08490142 0.08243129 0.080033004 0.07770449 0.07544371 0.07324869 0.071117535 0.06904837 0.06703941 0.06508888 0.0631951 0.06135642 0.05957123 0.057837974 0.056155145 0.054521278 0.05293494 0.051394757

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.354" PeakHeight="110.0" Num="3" Error="0.0">
-18.791 2.435 -0.142
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.354" EndFrequency="5.325" PeakHeight="253.91" Num="5" zHalfNm="240.016" Error="1.442">
-43.38 -7.518 5.272 -2.326 0.292
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.0205" EndDistance="6480.001" A="-5.5027394E11" B="1.69837632E8" C="-13104.63" Error="0.0016"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6512.083" A="-1.47549225E11" B="4.5539884E7" C="-3513.7546" Error="0.00163"/>
<QuasiParabolic ID="2" StartDistance="6512.083" EndDistance="6544.167" A="0.0" B="-458.77682" C="0.110476315" Error="0.00929"/>
<QuasiParabolic ID="3" StartDistance="6544.167" EndDistance="6573.0" A="4.9872101E10" B="-1.5318978E7" C="1176.3751" Error="0.00929"/>
<QuasiParabolic ID="4" StartDistance="6573.0" EndDistance="6575.0" A="-7.8556083E11" B="2.38882432E8" C="-18160.412" Error="0.00245"/>
<QuasiParabolic ID="5" StartDistance="6575.0" EndDistance="6580.0" A="1.04289828E13" B="-3.17238579E9" C="241251.61" Error="0.0188"/>
<QuasiParabolic ID="6" StartDistance="6580.0" EndDistance="6582.0" A="1.5883111E13" B="-4.8301752E9" C="367223.47" Error="2.22E-4"/>
<QuasiParabolic ID="7" StartDistance="6582.0" EndDistance="6594.0" A="2.42263649E13" B="-7.3653484E9" C="559807.25" Error="0.00526"/>
<QuasiParabolic ID="8" StartDistance="6594.0" EndDistance="6620.0" A="3.40591452E13" B="-1.034769E10" C="785947.8" Error="0.0164"/>
<QuasiParabolic ID="9" StartDistance="6620.0" EndDistance="6623.91" A="-3.24771535E14" B="9.8060378E10" C="-7401972.5" Error="0.00271"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="96.25" Depth="0.154"/>
<TopsideChapman PeakHeight="253.91" PeakDensity="351806.75" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
