(HEMP) TEMPEST INC. >HEMP. CONTACT US HOME- PRODUCTS- SERVICES- FACILITIES- BOOKS- COURSES- SOFTWARE- EMC Suppliers Directory High Altitude Electromagnetic Pulse ( HEMP...: "High Altitude Electromagnetic Pulse ( HEMP ) Protection for Ground-Based C4I Facilities Performing Critical, Time-Urgent Missions Part 1 Fixed Facilities". We have tested a wide... shielded chambers. see: NA-200-2G H-MAX HMX-1 Our courses include the following: High Altitude Electromagnetic Pulse Awareness Our High Altitude Electromagnetic Pulse ( HEMP...