The US Department of Defense has estimated at $3.5bn the costs of clearing military ops out of 25MHz of radio spectrum to make way for mobe operators – except it doesn't want to march off entirely, demanding instead that the band's new owners share nicely. Following a June 2010 edict from President Obama calling on US government …
If the military weren't so fixated on this frequency, we could've freed up the DCS bands and allowed the use of LTE Band III, aligning us with most of the civilized world in terms of an open cell frequencies.
The two wires commonly used for telephones were not separate send/receive, as that would be way too sensitive to ground noise, but a twisted pair used bi-directionally:
Re: Paired wires?
2 wires are only used at the end point.4 wire was used for much of the bachaul...in the good ol' days of course.
Re: Paired wires?
Should have been compared to four-wire full-duplex; hybrid networks in analog phones separated incoming from outgoing audio.
Office Of Spectrum Management
Sounds like the place aspiring super villains have to go to receive their next assignment.
A mere $3.5bn, or 0.18% of the $1.9T cost of the Iraq War (according to the Congressional Budget Office - some others estimate it much higher). That sounds like a bargain.
Bush isn't in office anymore. Deal with it.
... jamming your own side for money.
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