[Motorola] Windows software for Motorola radios?

[Mike May]

Encryption requires a specific KEY to decode the encrypted communications
and since the intention of the KEY is to make the communication unreadable
to unauthorized users, any type of Cipher/encrypted communications is
illegal on the ham bands. Plain and simple. Digital can be demodulated now
with varying techniques that are in the public domain, while the cipher
algorithms are highly secret and protected, that is why all of the
keyloaders  have a US govt. ID number on them.

Digital modes such as IMBE or VSELP are not coded to obscure demodulation
and therefor they do not need a specific KEY to decipher them so they are
legal on the ham bands, in fact there are some Motorola ham clubs that
have HAM astro25 repeaters up and running.


Mike
WB8VLC/7
Gary Chatters wrote:

> >
> >Jim's correct.  Encrypted communications are not allowed in amateur
> >radio.  We are permitted to use spread spectrum technology, but have
> >a look at the rules and you'll see detailed specifics of the limits
> >on spread spectrum we can use.  Basically, the rules prohibit us from
> >transmitting "cryptic" communications.
> >
>
> This is an interesting point.  I have been assuming that these
> encryption systems are not permitted on ham bands, but after thinking
> about it I am not so sure.
>
> The rules prohibit coding to "obscure the meaning" of a transmission.
> However, as more digital modes become available the FCC has become
> quite tolerant, especially on VHF of what is allowed.
> In the case of a well known technology with the encoding key
> published, you could argue that it is not obsuring the meaning
> any more than any digital transmission scheme that requires
> special equipment that could be obtained easily.
>
> Reviewing part 97 for the details on this could be interesting.
>
> gc
>
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