The latest -H revision of MIL-STD-461 published in April 2026 brings important clarifications for RS103 radiated susceptibility testing in the frequency range below 30 MHz. The standard now explicitly excludes E-field generators with a transformer feed from formal qualification testing, as they do not propagate a true electromagnetic field — making the choice of test apparatus more critical than ever.
Montena’s parallel plate lines are designed precisely for this purpose. By generating a true propagating electromagnetic field (TEM mode) with excellent uniformity across the test boundary, they fully meet the updated MIL-STD-461H requirements for RS103 testing. Equipment under test can be successively evaluated in both polarisations without dismounting, saving time and reducing handling risk.
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RS103 radiated susceptibility testing on large EUT shall be performed using for instance Montena’s E&H-field generator. This equipment generates a true propagating EM field in TEM mode in the frequency range up to 30 MHz, with an excellent uniformity in a large test volume.
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Whether you are conducting qualification tests for defense, aerospace, or other regulated industries, Montena’s parallel plate lines and striplines provide a reliable, compliant, and efficient solution — backed by decades of expertise in EMC test equipment.
