<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-14 -073 07:40:00.000"
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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 40% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, F2 cusps do not match, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.14 (073) 07:40:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.17" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.96" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202607303140740001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.275" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.627" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="15.504" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.375" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="230.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="230.000" 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="0.225" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.250" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="300.159" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="257.534" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="233.939" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.883" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="34.098" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.703" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="17.501" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="34.430" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.930" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="92">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.0 2.025 2.05 2.075 2.1 2.125 2.15 2.175 2.2 2.225 2.25 2.275 2.3 2.325 2.35 2.375 2.4 2.425 2.45 2.475 2.5 2.525 2.55 2.575 2.6 2.625 2.65 2.675 2.7 2.725 2.75 2.775 2.8 2.825 2.85 2.875 2.9 2.925 2.95 2.975 3.0 3.025 3.05 3.075 3.1 3.125 3.15 3.175 3.2 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
230.000 231.500 233.000 234.500 236.000 237.500 238.333 239.167 240.000 241.250 242.500 245.000 247.500 250.000 252.500 252.500 252.500 252.500 252.500 251.429 250.357 249.286 248.214 247.143 246.071 245.000 242.500 242.000 241.500 241.000 240.500 240.000 240.000 240.000 245.000 250.000 245.000 245.000 245.000 245.000 245.000 245.000 247.500 247.500 247.500 247.500 247.500 247.500 247.500 252.500 252.500 255.000 257.500 257.500 256.250 255.000 257.500 260.000 265.000 268.125 271.250 274.375 277.500 278.500 279.500 280.500 281.500 282.500 295.000 296.250 297.500 298.750 300.000 295.000 295.020 295.042 295.068 295.097 295.130 295.169 295.215 295.269 295.336 295.420 295.527 295.668 295.865 296.158 296.637 297.569 300.159 344.625
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
81 81 78 66 0 75 75 72 75 66 66 48 0 0 0 0 0 0 75 69 69 72 69 69 72 78 81 69 0 72 72 57 57 54 0 78 72 60 63 90 90 93 93 0 93 108 108 96 93 108 105 108 108 105 105 108 108 105 105 90 96 93 90 78 75 0 72 90 0 72 69 0 0 0 0 0 96 0 66 87 84 87 87 99 99 93 96 0 105 90 87 78
</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 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="443">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 257.534 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0
</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 0.353812 0.35339895 0.35261247 0.3516065 0.35023698 0.34851307 0.34651887 0.34419376 0.34155348 0.33854687 0.33526585 0.33153415 0.32752004 0.32306805 0.31823066 0.3130061 0.3072951 0.30113927 0.29447237 0.28732234 0.2796049 0.2711702 0.2621697 0.25230387 0.24165411 0.23006094 0.21740833 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 0.2055 0.211 0.2165 0.222 0.2275 0.233 0.2385 0.244 0.2495 0.255 0.2605 0.266 0.2715 0.277 0.2825 0.288 0.2935 0.299 0.3045 0.31 0.3155 0.321 0.3265 0.332 0.3375 0.343 0.3485 0.354 0.39162168 0.4270973 0.46226716 0.49802464 0.53491634 0.57335246 0.6136811 0.6561891 0.70113015 0.7487306 0.7991743 0.852609 0.90912575 0.96876013 1.0314811 1.0972067 1.1657585 1.2369471 1.3105041 1.386159 1.4636409 1.5426589 1.6229582 1.7042764 1.7864159 1.8691586 1.9523624 2.0358782 2.1195514 2.2033212 2.2870595 2.3707044 2.4541712 2.5373833 2.6202922 2.7028308 2.7849104 2.8664794 2.9474623 3.0277798 3.1073108 3.1860018 3.263702 3.3403022 3.4156647 3.4896054 3.561966 3.6325338 3.7010977 3.76738 3.8311346 3.8920496 3.9498053 4.0040407 4.0544157 4.100528 4.142 4.178457 4.2095337 4.2348948 4.254247 4.267362 4.274072 4.275 4.274706 4.272122 4.266957 4.25931 4.249281 4.2369714 4.2224817 4.205912 4.1873612 4.166928 4.144708 4.1207986 4.095292 4.0682807 4.0398545 4.0101013 3.979106 3.9469519 3.91372 3.879488 3.8443317 3.8083246 3.771537 3.7340372 3.6958904 3.6571598 3.6179056 3.578186 3.5380561 3.497569 3.4567757 3.4157238 3.3744602 3.333028 3.2914693 3.2498233 3.208128 3.166418 3.1247277 3.0830884 3.0415301 3.000081 2.9587677 2.9176147 2.8766456 2.8358822 2.7953448 2.7550526 2.7150235 2.6752734 2.6358182 2.5966718 2.557847 2.519356 2.48121 2.4434185 2.4059908 2.3689356 2.33226 2.2959704 2.2600734 2.2245739 2.1894763 2.154785 2.120503 2.0866334 2.0531783 2.0201397 1.9875187 1.9553164 1.9235332 1.8921691 1.861224 1.8306972 1.8005878 1.7708945 1.7416159 1.7127502 1.6842953 1.6562492 1.6286092 1.6013727 1.574537 1.5480992 1.5220559 1.496404 1.4711401 1.4462607 1.4217621 1.3976407 1.3738927 1.350514 1.327501 1.3048495 1.2825553 1.2606146 1.2390231 1.2177767 1.196871 1.176302 1.1560653 1.1361567 1.116572 1.0973068 1.078357 1.0597181 1.0413861 1.0233567 1.0056256 0.9881886 0.9710415 0.95418024 0.9376005 0.9212983 0.90526956 0.8895101 0.874016 0.85878325 0.8438078 0.8290859 0.81461346 0.80038685 0.78640205 0.7726554 0.75914323 0.7458617 0.7328073 0.7199763 0.7073653 0.6949706 0.68278885 0.67081654 0.65905035 0.64748687 0.6361228 0.624955 0.6139801 0.603195 0.59259653 0.5821817 0.57194734 0.56189054 0.55200833 0.54229784 0.5327561 0.5233803 0.51416767 0.5051155 0.49622113 0.48748177 0.47889486 0.47045782 0.4621681 0.4540232 0.44602066 0.43815804 0.43043298 0.42284307 0.41538608 0.40805966 0.40086162 0.3937897 0.3868418 0.38001576 0.37330946 0.36672086 0.36024794 0.35388863 0.34764105 0.34150323 0.33547327 0.3295493 0.32372952 0.31801206 0.31239516 0.3068771 0.30145615 0.2961306 0.2908988 0.28575912 0.28070998 0.27574974 0.2708769 0.26608995 0.26138732 0.25676757 0.25222927 0.24777098 0.2433913 0.23908886 0.2348623 0.23071028 0.22663152 0.22262472 0.2186886 0.21482196 0.21102357 0.20729221 0.20362672 0.20002593 0.19648872 0.19301397 0.18960057 0.18624745 0.18295355 0.17971784 0.17653927 0.17341684 0.17034958 0.16733651 0.16437668 0.16146913 0.15861298 0.15580729 0.15305117 0.15034378 0.14768422 0.14507167 0.1425053 0.13998431 0.13750786 0.1350752 0.13268554 0.13033813 0.12803222 0.12576708 0.12354199 0.12135624 0.11920914 0.11710001 0.115028165 0.11299297 0.11099376 0.109029904 0.107100785 0.105205774 0.103344284 0.10151572 0.099719495 0.09795503 0.09622179 0.0945192 0.09284672 0.09120383 0.089590006 0.08800472 0.08644748 0.084917784 0.08341516 0.0819391 0.080489166 0.079064876 0.07766578 0.07629145 0.07494143 0.07361528 0.0723126 0.07103297 0.069775976 0.06854123 0.06732832 0.066136874 0.06496651 0.063816845 0.06268753 0.06157819 0.060488485 0.059418056 0.05836657 0.05733369 0.056319084 0.05532243 0.05434341 0.053381715 0.052437037 0.051509075 0.050597534

</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="4.275" PeakHeight="257.534" Num="5" zHalfNm="233.939" Error="2.357">
-63.106 -1.811 2.078 -1.352 0.657
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="7" 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="6508.0" A="-1.93482834E11" B="5.9716924E7" C="-4607.662" Error="0.00161"/>
<QuasiParabolic ID="2" StartDistance="6508.0" EndDistance="6536.0" A="0.0" B="4069.5505" C="-0.5852921" Error="0.0664"/>
<QuasiParabolic ID="3" StartDistance="6536.0" EndDistance="6562.0" A="5.5783665E9" B="-1838033.1" C="150.67227" Error="0.0664"/>
<QuasiParabolic ID="4" StartDistance="6562.0" EndDistance="6572.0" A="4.862907E12" B="-1.48227955E9" C="112954.81" Error="0.0635"/>
<QuasiParabolic ID="5" StartDistance="6572.0" EndDistance="6615.0" A="1.2016682E13" B="-3.65932621E9" C="278585.25" Error="0.0527"/>
<QuasiParabolic ID="6" StartDistance="6615.0" EndDistance="6627.534" A="-4.5758816E13" B="1.38087014E10" C="-1041749.4" Error="0.00968"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="84.0" Depth="0.154"/>
<TopsideChapman PeakHeight="257.534" PeakDensity="226744.73" PeakScaleHeight="17.501" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
