[chirp_users] Special Mode?

Tom Morris blueneon at gmail.com
Fri Jan 9 05:27:40 PST 2015

The frequency range on the rda1846 transceiver ic inside the uv-5r is
134-174, 200-260, 400-520. Outside those ranges the RDA1846 just won't come
out to play. Internally in the radio it may be actually returning an error
but the firmware doesn't handle this (fails... Very silently.)

Sorry! If you want gapless RX this isn't your radio.
On Jan 8, 2015 8:49 PM, "Jim Unroe" <rock.unroe at gmail.com> wrote:

> On Thu, Jan 8, 2015 at 7:17 PM, David B. Horvath, CCP <dhorvath at cobs.com>
> wrote:
> > I'm looking to use the receiver out of those ranges Jim. I can
> > manually program those frequencies into the radio but not via Chirp.
> >
> > - David
> Yes. Sort of. CHIRP will let you alter the band limits of a UV-5R and
> variant to a low of 1 MHz and an high of 1000 MHz. The you are able to
> key in any STEP compatible frequency within those limits (except you
> will have to arrow to frequencies below 100 MHz because you can key in
> a leading "zero"). Once you have the frequency in the VFO you can
> program it to a memory channel as you would a normal in-band
> frequency.
> That being said, even though the UV-5R and variants will display any
> STEP compatible frequency between 1-1000 MHz, it won't RX/TX very far
> out of the factory specified band limits. My crude tests came up with
> these as practical limits.
> VHF range 136-174 MHz  expands to  127.8-176.0 MHz
> UHF range 400-520 MHz  expands to  383.5-524.3 MHz
> Jim KC9HI
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