Search RFCafe.com                           
      More Than 17,000 Unique Pages
Please support me by ADVERTISING!
Serving a Pleasant Blend of Yesterday, Today, and Tomorrow™ Please Support My Advertisers!
   Formulas & Data
Electronics | RF
Mathematics
Mechanics | Physics
     AI-Generated
     Technical Data
Pioneers | Society
Companies | Parts
Principles | Assns


 About | Sitemap
Homepage Archive
        Resources
Articles, Forums Calculators, Radar
Magazines, Museum
Radio Service Data
Software, Videos
     Entertainment
Crosswords, Humor Cogitations, Podcast
Quotes, Quizzes
   Parts & Services
1000s of Listings
 Vintage Magazines
Electronics World
Popular Electronics
Radio & TV News
QST | Pop Science
Popular Mechanics
Radio-Craft
Radio-Electronics
Short Wave Craft
Electronics | OFA
Saturday Eve Post

Software: RF Cascade Workbook
RF Stencils Visio | RF Symbols Visio
RF Symbols Office | Cafe Press
Espresso Engineering Workbook

Aegis Power  |  Alliance Test
Centric RF  |  Empower RF
ISOTEC  |  Reactel  |  RFCT
San Fran Circuits

Windfreak Technologies Frequency Synthesizers - RF Cafe

LadyBug RF Power Sensors

withwave microwave devices - RF Cafe

Please Support RF Cafe by purchasing my  ridiculously low-priced products, all of which I created.

RF Cascade Workbook for Excel

RF & Electronics Symbols for Visio

RF & Electronics Symbols for Office

RF & Electronics Stencils for Visio

RF Workbench

T-Shirts, Mugs, Cups, Ball Caps, Mouse Pads

These Are Available for Free

Espresso Engineering Workbook™

Smith Chart™ for Excel

Amplifier Solutions Corporation (ASC) - RF Cafe

RF Safe-Stop™ by e2v

RF Safe-Stop™ (e2v photo)  - RF CafeSurvivalists have been encouraging people to buy vehicles that were manufactured prior to the time when electronic ignition systems and/or computer controls were added so that when "The Big One" hits, the EMP (electromagnetic pulse) from a nuclear blast will not shut down their vehicles. In doing so, if you live through the event, you will at least still have serviceable transportation. Getting gasoline from a pumping station will be impossible since those computers will be dead, but there will be a lot of disabled vehicles sitting around with tanks full of gas for sale. Capitalizing on the vulnerability of modern cars and trucks - and even boats, motorcycles, and snowmobiles for that matter - to being stopped cold by a powerful electromagnetic field, military and law enforcement agencies are developing systems that simulate the results of a nuclear EMP event, only without the skin melting side effects. British conglomerate e2v has introduced RF Safe-Stop™ to do just that. The current system is contained in a big rack that sits in the back of a pickup truck.

Per the e2v website:

"RF Safe-Stop™ generates a non-lethal pulsed beam to temporarily deactivate a vehicle's engine. It transmits a non-lethal microwave energy pulsed beam that couples into the vehicle's electronic systems to confuse the engine management system, temporarily deactivating the engine. It is designed to be a part of a defensive capability in security situations, providing a non-lethal assistance to the process of bringing vehicles, determined to pose a threat, to a halt, without the requirement for lethal force."

e2v will not disclose specifics on the design or the frequencies and pulse shapes utilized; however, the Engineer magazine reports the device uses L- and S-band radio frequencies, and works at a range of up to 50 m (164'). Per their engineers, the frequencies were chosen in part because the wavelengths (L-band λ ~ 0.15-0.30 m = 6-12 in., S-band λ ~ 0.07-0.15 m = 3-6 in.) are optimal based on the typical wire length for targeted interconnects.

In addition to the main criticism of systems such as RF Safe-Stop™ being use in other than war zones (which includes areas subject to terrorist activity) because of the strong-arm nature of governments against civilians, there is also concern about the danger of instantly disabling all computer-controlled functions in a vehicle being driven by an unsuspecting fleeing perp. Will it veer out of control or will its power-assisted steering and braking system cause collateral damage as with the Government Motors (GM) cars that recently experienced ignition switch failures and killed their occupants?

Sanfor & Son Ford Pickup Truck - RF CafeThe first high energy ignition (HEI) systems began appearing in the mid 1970s, and on-board diagnostic (ODB) systems were mandated in all consumer vehicles beginning in 1994. So, to be safe you should buy a car - preferably a truck per survivalists - that was manufactured prior to around 1970. Oh, and make sure some gear head hasn't replaced the original coil, condenser, and points distributor with an aftermarket electronic ignition system that will still leave you in the EMP wake. Personally, I would love to have a 1951 Ford F1 pickup truck like the one featured in the Sanford & Son TV series (one of my favorites).

BTW, e2v is a great electronic company that develops top-of-the-line defense, medical, aerospace, and security products. It is the governments' uses of their and similar companies' war-fighting technology against civilian populations that troubles people. "Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." -- Benjamin Franklin, Pennsylvania Assembly: Reply to the Governor, November 11, 1755.

 

 

 

 

Posted  April 24, 2014

Amplifier Solutions Corporation (ASC) - RF Cafe
Innovative Power Products Cool Chip Thermal Dissipation - RF Cafe

ConductRF Phased Matched RF Cables - RF Cafe

Crane Aerospace Electronics Microwave Solutions