It was 1991 when I went through - was that you?
Not at the gate.........I was up in the hills.........Area 63...........about 15 miles inland. However.....we did get liberty and went to the beach......nah......I wouldn't have been in uniform!It was 1991 when I went through - was that you?
IIRC, Am stations were restricted to 50,000 Watts of power in the USA but in Tijuana, there were no such restrictions and XERB blasted out with more power than USA stations meaning "The X" could be heard way North of the Mexican Boarder....
Back then Homestead was a rural farming town. There was actually a 25-30 mile green belt between Homestead and South Miami (Dadeland). Nothing upscale about Homestead at all. We'd go north via Old Cutler Road to occasionally visit Coconut Grove, Tahiti Beach, Crandon Park Zoo via Rickenbacker Causeway on Key Biscayne, etc. Once in a blue moon we'd make it up to MacArthur Causeway to Miami Beach, but we spent most of our time in south Biscayne Bay around Elliott Key or in the Everglades on swamp buggies or boats further south.
Hybrid electric motors are fairly small and are supplemental, older early HID ignitor ballasts caused more radio interference than Hybrid electric motors until better cases were developed.
I have some specific training in the radio communications field. The problem is not the radio interfering with the car, it's that the car's high-power electronics produces a lot of electromagnetic interference that AM radios are sensitive to. The car's electronic environment interferes with AM radio reception.
Yep. Specifically the high-frequency switching of high-current circuits to modulate the power. The way the battery power is applied to the motors is to switch the power on and off very rapidly (thousands of times per second), and control power delivery by governing how long each "power pulse" lasts. This is called pulse width modulation, and the use of this technique turns the motor circuit into a very powerful wide-band (lots of harmonics) radio transmitter, so unless significant effort is expended on shielding and other EM interference control methods, an AM radio signal can be unusable in the immediate vicinity of these circuits.
There is extra design work involved. Shielding, filtering, even modulation frequency selection to a certain extent. It can be done, (obviously), but it costs more to do. So they want to eliminate this expense, and it is of no concern to them that this will make us all more dependent on (controllable and trackable) point-to-point communication options (Internet / cell network / satellite radio) vs lower frequency / long-range mass broadcast communications.
KTCR "The Mighty 690" AM Minneapolis MN Country & Western format. they signed off every evening with "Blue Shadows on the Trail by the Sons of the Pioneers. I listened on my Lloyds 6 transistor radio. Late night when the Ionosphere was favorable, I could sometimes get an X--- something station out of Mexico, and KAAY Little Rock. Can't forget WLS 890 Chicago which was a clear channel Top 40 format. They played more R & B/soul rock than the Pat Boone-ish stations in the Twin Cities.
So did the points and spark plugs on some cars without shielded distributor covers and/or resistor plugs. You could set the radio dial in-between stations and get an "audio tach" - interference that rose and fell with rpm.
Yeah, I've experienced that - but it sounds like the electric motors is quite a bit worse and the manufacturers don't want to spend the $$$ to fix it.
What is an iphone?
