The R1225 looks a lot like a GM300 or Maxtrac on the outside... bears
NO resemblance on the inside :)
On Dec 30, 2008, at 5:55 PM, Eric Lemmon wrote:
Joe,
I am not aware of any means to perform a realignment. The design of
the
radio precludes that option.
73, Eric Lemmon WB6FLY
-----Original Message-----
From: Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of Joe
Sent: Tuesday, December 30, 2008 3:50 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] R1225 below 444Mhz?
Thanks Eric,
Is it possible to realign the R1225 with software to improve
performance
out of band?
73, Joe, K1ike
Eric Lemmon wrote:
> Joe,
>
> No hack is necessary. Simply use the "Shift Key Technique" to enter
> frequencies down to 434.000 MHz. To do this, open the RSS and tab
into the
> RX or TX frequency window. Hold down the shift key, and type in
the first
> three digits. Release the shift key and type in the decimal point.
Again
> hold down the shift key and type in the remaining digits,
including all
> trailing zeroes. Then, tab out of that window. The frequency you
entered
> will appear in the window.
>
> Please understand that the above technique will program the R1225
for
> out-of-band frequencies, but the RX and TX performance will rapidly
> deteriorate, the further out of band you go. Expect the RX
sensitivity to
> decrease as you go below 444 MHz, and the TX power amplifier will
not be
> happy- so reduce the power setting. The R1225 does not have a
built-in
> circulator like its high-tier cousins, so there is a risk of
burning up
the
> PA with out-of-band operation. Good luck!
>
> 73, Eric Lemmon WB6FLY
>
>
> -----Original Message-----
> From: Repeater-Builder@yahoogroups.com
<mailto:Repeater-Builder%40yahoogroups.com>
> [mailto:Repeater-Builder@yahoogroups.com
<mailto:Repeater-Builder%40yahoogroups.com> ] On Behalf Of Joe
> Sent: Tuesday, December 30, 2008 3:14 PM
> To: Repeater-Builder@yahoogroups.com
<mailto:Repeater-Builder%40yahoogroups.com>
> Subject: [Repeater-Builder] R1225 below 444Mhz?
>
> Is there a hack to program the Motorola R1225 under 444Mhz?
>
> 73, Joe, K1ike
>
>
--
Cort Buffington
H: +1-785-838-3034
M: +1-785-865-7206
