[chirp_users] Tim at Yaesu Tech Support warns against Chirp, recommends RT Systems products

[Robert Terzi]

On 10/18/2013 10:04 AM, Joe wrote:
> On 10/18/2013 9:34 AM, Steve Bosshard (NU5D) wrote:
>> ....Possibly a ground loop between a PC and the radio or something of
>> that nature...
>
> Maybe a good reason not to have the radio on a charger while programming???

Note: You'd want to make sure the battery has a good charge before writing back to the
radio, especially for clone mode radios like the Yaesus where most, if not all, of the EEPROM
will be overwritten.

A little background, If the voltage drops too low when writing an EEPROM the data stored
may not be correct.  Most modern and well engineer battery operated systems including
current microcontrollers with the EEPROM on the chip will have "brown-out" protection that
will prevent writing when the supply voltage is too low.

As far as EEPROM write durability, Ian at DangerousPrototypes.com, built a board to
test how many write cycles it would take before an EEPROM started failing.  The tested
EEPROM rated at a million write cycles, had over 11 million write cycles before
a failure occurred.

http://dangerousprototypes.com/2010/06/07/flash-destroyer-dead-at-11-49-million/