Yup...it's already being done on some of the military stuff I work with...TDMA & CDMA
73, Dick ----- Original Message ----- From: [EMAIL PROTECTED] To: [email protected] Sent: 24 February, 2007 15:07 Subject: Re: [Repeater-Builder] 440-450 band plan (The normal North vs So Cal :-) You laugh, but with the use of Time Division Multiplex it may be possible to transmit and receive on the same frequency in different time slots. It may not be that far fetched. 73, Joe, k1ike -------------- Original message -------------- From: "Dick" <[EMAIL PROTECTED]> Now, where did I put those plans for a single-frequency rptr? LOL 73, Dick W1NMZ ----- Original Message ----- From: "Mike Morris WA6ILQ" <[EMAIL PROTECTED]> To: <[email protected]> Sent: 23 February, 2007 16:03 Subject: Re: [Repeater-Builder] 440-450 band plan (The normal North vs So Cal :-) > At 03:27 PM 02/23/07, you wrote: >>Hi Mike, >> >>Even more fun is the frequent band openings. One repeater in the >>SF Bay Area will lock up its reverse co-channel So Cal machine. Both >>have no practical time-out timers. Happens more than a few times >>a month... sometimes a few times in one week. > > Yep. All the more reason to require PL'd inputs and make sure that > systems don't have compatible PL tones with the one on the rever se... > >>I can't help it if you guys are "upside down"... :-) > > Naaaah, YOU'RE upside down !!! (Grin) > > Mike > >>cheers, >>s. >> >> > Careful there - NorCal is repeater-input high, and repeater-output >> > low, SoCal is the reverse. Dividing line is the Santa Maria River. >> > There are valid arguments for each method... Makes it lots of fun >> > for the guys in the middle ... they have to pick the frequencies >> > carefully to avoid lockups and a system output capturing someone >> > elses input.
