ELECTROMAGNETIC LEAKAGE MONITOR "SURVEYOR" - Model 8100B
Authors not listed · 1975
Engineers recognized the need for microwave leakage monitoring as early as 1975, targeting frequencies we're still exposed to daily.
Plain English Summary
This 1975 technical report documented the development of a portable electromagnetic leakage monitor designed to detect microwave radiation at 915 MHz and 2450 MHz frequencies. The device was created as a surveyor tool to measure radiation levels from microwave equipment, providing early recognition of the need for monitoring electromagnetic emissions in workplace and consumer environments.
Why This Matters
This 1975 technical report represents an important milestone in EMF awareness - the recognition that we needed tools to measure microwave leakage from equipment. The frequencies targeted, 915 MHz and 2450 MHz, remain highly relevant today. That 915 MHz frequency is now used by many industrial, scientific and medical devices, while 2450 MHz is the primary frequency used by microwave ovens and some WiFi channels. The fact that engineers were developing leakage monitors nearly 50 years ago demonstrates early awareness of potential exposure concerns from microwave equipment.
What makes this particularly significant is the timing. This was developed during the early expansion of microwave technology in industrial and commercial settings, before widespread consumer adoption. The creation of portable monitoring equipment suggests that even in 1975, there was recognition that uncontrolled electromagnetic emissions could pose problems requiring measurement and management. Today, we're surrounded by devices operating at these same frequencies, yet comprehensive monitoring of our cumulative exposure remains limited.
Exposure Information
Specific exposure levels were not quantified in this study.
Show BibTeX
@article{electromagnetic_leakage_monitor_surveyor_model_8100b_g5709,
author = {Unknown},
title = {ELECTROMAGNETIC LEAKAGE MONITOR "SURVEYOR" - Model 8100B},
year = {1975},
}