The table sizes in this example need to be corrected.

MIME-Version: 1.0
Content-type: multipart/mixed; boundary="integration_boundary";
              type="text/plain"
Content-description: correlator spectral data set

--integration_boundary
Content-type: multipart/related; boundary="abcd";
              start=<hdr//X1/1/0/0>
Content-description: correlator spectral data
Content-id: <uid://X1/1/0/0>

--abcd
Content-type: text/xml; charset=iso-8859-1
Content-transfer-encoding: 8bit
Content-id: <hdr//X1/1/0/0>
<sdmDataHeader axisOrder="12345678" byteOrder="little endian"
               schemaVersion="0.9"
               xmlns:xlink="http://www.w3.org/1999/xlink">
  <time>123456789</time>
  <dataOID xlink:href="uid://X1/1/0/0"
           xlink:title="correlator spectral data"/>
  <execBlock xlink:href="uid://X1/1/2/3">
    <scanNum>1</scanNum>
    <subscanNum>1</subscanNum>
    <integrationNum>25</integrationNum>
  </execBlock>
  <numAntenna>24</numAntenna>
  <baselineFlags size="8208384" ref="cid:baselineFlags//X1/1/0/0"
                 axes="a1 a2 a3 a4 a5 a6 a7"/>
  <actualTimes size="12064" ref="cid:actualTimes//X1/1/0/0"
                          axes="a1 a3 a4 a5 a6 a7"/>
  <actualDurations size="16416768" ref="cid:actualDurations//X1/1/0/0"
                   axes="a1 a2 a3 a4 a5 a6 a7"/>
  <zeroLags size="6032" ref="cid:zeroLags//X1/1/0/0" axes="a1 a3 a4 a5 a6 a7"/>
  <numAPC>1</numAPC>
  <baseband>
    <spectralWindow numBin="1" numSpectralPoint="512" numPolProduct="4"/>
    <spectralWindow numBin="1" numSpectralPoint="512" numPolProduct="4"/>
  </baseband>
  <baseband>
    <spectralWindow numBin="1000" numSpectralPoint="1024" numPolProduct="1"/>
    <spectralWindow numBin="500" numSpectralPoint="2048" numPolProduct="1"/>
  </baseband>
  <correlatedData type="float" size="8208384" ref="cid:crossData//X1/1/0/0"/>
  <autoData type="float" size="8208384" ref="cid:autoData//X1/1/0/0"/>
</sdmDataHeader>

--abcd
Content-type: application/octet-stream
Content-id: <actualTimes//X1/1/0/0>
[BINARY DATA]
--abcd
Content-type: application/octet-stream
Content-id: <actualDurations//X1/1/0/0>
[BINARY DATA]
--abcd
Content-type: application/octet-stream
Content-id: <crossData//X1/1/0/0>
[BINARY DATA]
--abcd
Content-type: application/octet-stream
Content-id: <zeroLags//X1/1/0/0>
[BINARY DATA]
--abcd
Content-type: application/octet-stream
Content-id: <baselineFlags//X1/1/0/0>
[BINARY DATA]
--abcd
Content-type: application/octet-stream
Content-id: <autoData//X1/1/0/0>
[BINARY DATA]
--abcd--

--integration_boundary
Content-type: multipart/related; boundary="ABCD";
              start=<hdr//X1/1/0/1>
Content-description: correlator spectral data
Content-id: <uid://X1/1/0/1>

--ABCD
Content-type: text/xml; charset=iso-8859-1
Content-transfer-encoding: 8bit
Content-id: <hdr//X1/1/0/1>
<sdmDataHeader axisOrder="12345678" byteOrder="little endian"
               schemaVersion="0.9"
               xmlns:xlink="http://www.w3.org/1999/xlink">
  <time>123460000</time>
  <dataOID xlink:href="uid://X1/1/0/1"
           xlink:title="correlator spectral data"/>
  <execBlock xlink:href="uid://X1/1/2/3">
    <scanNum>1</scanNum>
    <subscanNum>1</subscanNum>
    <integrationNum>26</integrationNum>
  </execBlock>
  <numAntenna>24</numAntenna>
  <baselineFlags size="8208384" ref="cid:baselineFlags//X1/1/0/1"
                 axes="a1 a2 a3 a4 a5 a6 a7"/>
  <actualTimes size="12064" ref="cid:actualTimes//X1/1/0/1"
                          axes="a1 a3 a4 a5 a6 a7"/>
  <actualDurations size="16416768" ref="cid:actualDurations//X1/1/0/1"
                   axes="a1 a2 a3 a4 a5 a6 a7"/>
  <zeroLags size="6032" ref="cid:zeroLags//X1/1/0/1" axes="a1 a3 a4 a5 a6 a7"/>
  <numAPC>1</numAPC>
  <baseband>
    <spectralWindow numBin="1" numSpectralPoint="512" numPolProduct="4"/>
    <spectralWindow numBin="1" numSpectralPoint="512" numPolProduct="4"/>
  </baseband>
  <baseband>
    <spectralWindow numBin="1000" numSpectralPoint="1024" numPolProduct="1"/>
    <spectralWindow numBin="500" numSpectralPoint="2048" numPolProduct="1"/>
  </baseband>
  <correlatedData type="float" size="8208384" ref="cid:crossData//X1/1/0/1"/>
  <autoData type="float" size="8208384" ref="cid:autoData//X1/1/0/1"/>
</sdmDataHeader>

--ABCD
Content-type: application/octet-stream
Content-id: <actualTimes//X1/1/0/1>
[BINARY DATA]
--ABCD
Content-type: application/octet-stream
Content-id: <actualDurations//X1/1/0/1>
[BINARY DATA]
--ABCD
Content-type: application/octet-stream
Content-id: <crossData//X1/1/0/1>
[BINARY DATA]
--ABCD
Content-type: application/octet-stream
Content-id: <zeroLags//X1/1/0/1>
[BINARY DATA]
--ABCD
Content-type: application/octet-stream
Content-id: <baselineFlags//X1/1/0/1>
[BINARY DATA]
--ABCD
Content-type: application/octet-stream
Content-id: <autoData//X1/1/0/1>
[BINARY DATA]
--ABCD--

--integration_boundary
uid://X1/1/0/0 XXX
uid://X1/1/0/1 YYY
--integration_boundary--