[NSRCA-discussion] SPECKTRUM Modules for Futaba and JR

[Del K. Rykert]

Are park flyers and ground vehicles using the same frequency?

    Del

----- Original Message ----- 
From: <jonlowe at aol.com>
To: <nsrca-discussion at lists.nsrca.org>
Sent: Friday, February 23, 2007 11:00 AM
Subject: Re: [NSRCA-discussion] SPECKTRUM Modules for Futaba and JR


>I agree, and didn't mean to imply anything else.  There will still need
> to be impounding at large events and a limitation of pins that can be
> out, or nobody will be able to fly.  For consistency, anyone at our
> local club still has to have a pin, DSS or not.
>
> Jon
>
> -----Original Message-----
> From: tony at radiosouthrc.com
> To: nsrca-discussion at lists.nsrca.org
> Sent: Fri, 23 Feb 2007 8:12 AM
> Subject: Re: [NSRCA-discussion] SPECKTRUM Modules for Futaba and JR
>
> Jon:
> They don’t have to be in the air! Just take something like the Joe
> Nall event for example. No frequency pins for DSS. It would be VERY
> easy to have 40 systems on at the same time! Some playing with
> foamies, some adjusting models and some getting ready to fly. You
> could be at the flight line to fly, turn on and find that the system
> will not operate because all the 2.4 channels are in use! That is why
> there needs to be frequency pins for DSS and you should not turn them
> on when you are not in possession of a pin. No, you won’t cause a
> crash, but you could fill up the band!
>
>
>
>
>
> Tony Stillman, President
>
> Radio South
>
> 3702 N. Pace Blvd
>
> Pensacola, FL 32505
>
> 1-800-962-7802
>
> www.radiosouthrc.com
>
>
>
>
> --------
>
> From: nsrca-discussion-bounces at lists.nsrca.org
> [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of
> JonLowe at aol.com
> Sent: Thursday, February 22, 2007 9:26 PM
> To: nsrca-discussion at lists.nsrca.org
> Subject: Re: [NSRCA-discussion] SPECKTRUM Modules for Futaba and JR
>
>
>
>
> In a message dated 2/22/2007 6:52:04 PM Central Standard Time,
> patterndude at tx.rr.com writes:
>
>
> What does Spectral capacity - 40 systems mean? Is this the number of
> tranmitters that can operate in range of each other, or is this 40
> channels or what?
>
>
> --Lance
>
>
>
>
>
>
> This is grossly simplified, but the 2.4 ghz band has about 80
> frequencies. Each Spektrum unit picks two unused frequencies and
> transmits on both. 80/2=40 transmitters that can operate at once. It
> is a requirement of the FCC that things on this band don't interfere
> with each other, and transmitter power is strictly regulated, therefore
> anything using the band has to check before transmitting. You have no
> idea which two frequencies you are on (nor do you care), as they change
> each time the transmitter turns on.
>
>
>
>
>
> I've flown my Dad's Arresti III with the DX7 extensively. Absolutely
> solid link, with no fear of getting shot down. I have been waiting for
> something like the modules so I could use a decent transmitter for
> things like throttle curves, conditional mixes, etc.
>
>
>
>
>
> I don't want to be at a field that has 40 airplanes in the air at once!
>
>
>
>
>
>
> Jon Lowe
>
>
>
>
>
>
> --------
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