[chirp_users] UV-82 "Privacy coding (tones)"

Sarge ex 7thAF 0101.smd at gmail.com
Tue Apr 21 13:16:39 PDT 2015


Yo Troops,
      My 2 UV5Rs program well from my PC. My new UV B5 will not by using
the same pc and cable. I do change the download window from uv 5r  to uv
b5.. the error window says the ACK message. This is Win 7.
  Help needed and Thanks in advance,


On Tue, Apr 21, 2015 at 5:45 AM, Jim Unroe <rock.unroe at gmail.com> wrote:

> On Tue, Apr 21, 2015 at 4:17 AM, Justin <700hpvette1 at cox.net> wrote:
> > So I tried to setup a UHF simplex channel with CTCSS/DCS on one of my
> UV-82’s (well frankly any “privacy” type code/tone). No matter what
> combination I tried, my BF8-HP (listening to the same frequency but no
> codes programmed) picked up every transmission. Also, the UV-82 would
> receive anything I sent with the BF8. The most I could accomplish was the
> the UV-82 would receive only the carrier and wouldn’t produce any of the
> audio. Downloading the daily build changed nothing and I even copied the
> settings from a working repeater channel and just removed the offset and
> still nothing. Is there a bug? Am I an idiot? I was able to program all my
> repeaters just fine and the tones are obviously working or the repeaters
> wouldn’t! Does the software ignore tone settings if there is no repeater
> offsets? Im doubtful as the LCD displayed the changes? Surely someone
> besides me wants some simplex “privacy”?
> >
>
> Justin,
>
> What I get from the above...
>
> 1. "I tried something."
> 2. "That something didn't work"
> 3. "What did I do wrong?"
>
> It would have been helpful if some of the parameters that were tried
> would have been provided.
>
> 1. What was the Tone Mode setting?
> 2. What was the Tone or ToneSql setting?
>
> Attaching the "CHIRP Radio Image (*.img)" file from each radio.would
> also have been helpful.
>
> For a ham repeater requiring a 100.0 Hz CTCSS tone for access, the
> setup would usually be...
>
> Tone Mode=Tone
> Tone=100.0
>
> This transmits the CTCSS to the repeater to "open" its receiver to let
> you communicate though it. You receiver requires no tone and will open
> with any signal.
>
> This would be useless in a simplex scenario. Any signal (regardless of
> the tone frequency or no tone at all) would be received.
>
> For tone squelch on a simplex frequency using the same 100.0 Hz CTCSS
> tone, the setup would be...
>
> Tone Mode=TSQL
> ToneSql=100.0
>
> This transmits the 100.0 Hz CTCSS tone over the air and requires the
> same 100.0 Hz CTCSS tone to be received to open the squelch of your
> receiver.
>
> You should be able to verify your programming by accessing menu 11
> (R-CTCS) and menu 13 (T-CTCS) of both radios. If you programmed CHIRP
> correctly, both menus of both radios should have the same value.
>
> It wouldn't hurt for you to visit wikipedia and/or google CTCSS to
> learn something about it. Someone that understands what CTCSS would
> never program it expecting "privacy". That is only something that
> FRS/GMRS marketing people offer to the unknowing general public.
>
> So there are 3 groups of users on a common frequency. Group A, group B
> and group C. Group uses a 100.0 Hz CTCSS tone, group B uses a 123.0 Hz
> CTCSS tone and group C doesn't use any CTCSS tone.
>
> A member of group A cannot hear transmissions from group B or group C.
> A member of group B cannot hear transmissions from group A or group C.
> A member of group C can hear all transmissions from group A, group B
> and group C (and anyone else).
>
> Anyone with a radio or scanner with receive CTCSS and receive DCS set
> to OFF can hear you. There is no "privacy". There is only "selective
> receive".
>
> Jim KC9HI
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-- 
Sarge KE5YPB, Lickskillet, Texas
  "All it takes for evil to triumph is for good men to do nothing."
" Lets Roll " ---- Todd Beemer--- 9/11/01 ---  American Hero
Are you going to take a stand to help America in 2016 ?
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