SVG file have <text> tags embedded three per corner. Some come pre-filled. Others remain empty.
You may fill those left empty (or edit those filled) via any plain-ASCII text editor.

  SampDipol.svg   6.72 dBi Azimuth Gain @ 29° Elevation,   Sommerfeld-Norton Ground,   7.1 MHz

  SampDloop.svg   2.34 dBi Azimuth Gain @ 20° Elevation,   Sommerfeld-Norton Ground,   3.6 MHz

  SampFlag.svg   -28.41 dBi Azimuth Gain @ 23° Elevation,   Sommerfeld-Norton Ground,   1.85 MHz

  SampFLoop.svg   6.33 dBi Azimuth Gain @ 45° Elevation,   Sommerfeld-Norton Ground,   1.83 MHz

  SampG5rv-Ext.svg   6.41 dBi Azimuth Gain @ 29° Elevation,   Sommerfeld-Norton Ground,   7.2 MHz

  SampG5rv.svg   7.35 dBi Azimuth Gain @ 19° Elevation,   Sommerfeld-Norton Ground,   14.1 MHz

  SampHzLoop.svg   6.05 dBi Azimuth Gain @ 45° Elevation,   Sommerfeld-Norton Ground,   3.75 MHz

  SampInvVee.svg   5.34 dBi Azimuth Gain @ 45° Elevation,   Sommerfeld-Norton Ground,   7.15 MHz

  SampLzyH.svg   13.22 dBi Azimuth Gain @ 15° Elevation,   Sommerfeld-Norton Ground,   18.1 MHz

  SampMatch.svg   5.46 dBi Azimuth Gain @ 45° Elevation,   Sommerfeld-Norton Ground,   3.75 MHz

  SampMobile.svg   -14.91 dBi Azimuth Gain @ 28° Elevation,   Perfect Ground,   3.8 MHz

  SampNetwork.svg   7.38 dBi Azimuth Gain @ 29° Elevation,   Sommerfeld-Norton Ground,   7.1 MHz

  SampOptimize.svg   -2.84 dBi Azimuth Gain @ 24° Elevation,   Free Space,   146.5 MHz

  SampPhase.svg   3.41 dBi Azimuth Gain @ 25° Elevation,   Perfect Ground,   7.15 MHz

  SampRadials.svg   0.75 dBi Azimuth Gain @ 23° Elevation,   Sommerfeld-Norton Ground,   14.2 MHz

  SampReflector.svg   6.36 dBi Azimuth Gain @ 0° Elevation,   Free Space,   146 MHz

  SampSpider.svg   10.7 dBi Azimuth Gain @ 28° Elevation,   Sommerfeld-Norton Ground,   14.15 MHz

  SampSqLoop.svg   8.22 dBi Azimuth Gain @ 19° Elevation,   Sommerfeld-Norton Ground,   14.1 MHz

  SampStub.svg   10.45 dBi Azimuth Gain @ 13° Elevation,   Sommerfeld-Norton Ground,   21.15 MHz

  SampTrap-1.svg   5.96 dBi Azimuth Gain @ 45° Elevation,   Sommerfeld-Norton Ground,   3.55 MHz

  SampTrap-2.svg   4.43 dBi Azimuth Gain @ 45° Elevation,   Sommerfeld-Norton Ground,   3.9 MHz

  SampVDA-20m.svg   4.32 dBi Azimuth Gain @ 17° Elevation,   Sommerfeld-Norton Ground,   14.1 MHz

  SampW8JK.svg   10.6 dBi Azimuth Gain @ 15° Elevation,   Sommerfeld-Norton Ground,   18.5 MHz

  SampWindom.svg   5.9 dBi Azimuth Gain @ 39° Elevation,   Sommerfeld-Norton Ground,   7.1 MHz

  SampYagi.svg   10.84 dBi Azimuth Gain @ 24° Elevation,   Sommerfeld-Norton Ground,   14.15 MHz

Open-source Perl script N2P_to_SVG.pl courtesy of KY8D. No rights reserved.
Link: ky8d.net/nec2go