[App_rpt-users] Gm300 have to set the rxondelay very high

[Skyler F]

Here is my usbradio.conf file :

[general]


[usbVHF]


hdwtype=0

rxboost=0

txboost=1

rxctcssrelax=1

;txctcssdefault=250.3

;rxctcssfreqs=100

;txctcssfreqs=100


;USE THE FOLLOWING FOR THE GM300 RADIO TO DO CSQ/PL  DECODING

;rxctcssoverride=0 ;DO NOT SET THIS TO 1, I wired it up weird so COR means
CTCSS

;carrierfrom=usb

;ctcssfrom=usb

USE THE FOLLOWING FOR THE SOFTWARE TO DO CSQ/PL DECODING

rxctcssoverride=1 ;CSQ MODE, Reccomended for remote base configuration!!!

carrierfrom=dsp

ctcssfrom=dsp


rxdemod=flat

txprelim=yes

txlimonly=yes

txtoctype=phase

txmixa=composite

txmixb=no

invertptt=0

duplex=0

rxondelay=13

;rxsquelchdelay=0

rxnoisefiltype=0

eeprom=0



On Wed, Jun 29, 2016 at 9:32 AM, Skyler F <electricity440 at gmail.com> wrote:

> I'll post my usbradio.conf when I get home in 30 minutes. Do you mind
> sharing yours for a simplex gm300 node using DSP if you happen to have it?
>
>
> On Wednesday, June 29, 2016, Corey Dean <n3fe at repeater.net> wrote:
>
>> Many ways actually.  I have used it simplex like this and I have used it
>> as a remote base using link2link, and at one point in time I was even using
>> the steering lines and using it as a remote base. I have done this on both
>> VHF and UHF.
>>
>> Corey  N3FE
>>
>> On Wed, Jun 29, 2016 at 11:26 AM, Skyler F <electricity440 at gmail.com>
>> wrote:
>>
>>> Huh. I am running discriminator and flat TX. Did you ever test it
>>> simplex or was it only full duplex with two separate radios?
>>>
>>> On Wednesday, June 29, 2016, Corey Dean <n3fe at repeater.net> wrote:
>>>
>>>> I have never had this issue and I run mine on DSP.  Discriminator on rx
>>>> and flat tx audio.
>>>>
>>>> Corey  N3FE
>>>>
>>>> On Wed, Jun 29, 2016 at 11:20 AM, Skyler F <electricity440 at gmail.com>
>>>> wrote:
>>>>
>>>>> If I use software PL/CSQ decoding, I was getting reports of something
>>>>> coming back from the node after they unkey.
>>>>>
>>>>> Turning RXondelay up to about 6 (6 increments of 25ms) it worked great
>>>>> until I tuned to the bottom of the 2-meter band and I had to turn it all
>>>>> the way to 15 to avoid problems. It's fine unless someone quick Keyes and
>>>>> then I will loose the beginning of their voice.
>>>>>
>>>>> This is a simplex GM300 node, so I am guessing there is a lack of high
>>>>> frequency noise immediately after I unkey. What I don't get is why it is
>>>>> worse at the bottom end of the VHF band. I guess the VFO is sick down there
>>>>> and takes longer to activate?
>>>>>
>>>>> On my UHF GM300, I can get away with rxondelay set to 5 at 446.000. I
>>>>> haven't tested lower, but I won't be transmitting below 445.0
>>>>>
>>>>> There is a variable inductor that I found near the receiver chip which
>>>>> actually improved tuning it from what I was initially getting, needing to
>>>>> set rxondelay all the way up to 25. (It's near the squelch pot)
>>>>>
>>>>> I am going to use COR  from the radio anyway so I won't have the
>>>>>  problem, but I was planning on modding one for 9600 baud which could never
>>>>> deal with the horrible TX/RX switching time that I am getting.
>>>>>
>>>>> Any experience with this issue here? Also, It's annoying that I have
>>>>> to run rxondelay, I wish it could just ignore the receiver immediately
>>>>> after the transmitter drops, no other time. Is there any other setting?
>>>>>
>>>>> 73
>>>>> Skyler KD0WHB
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Skyler Fennell
>>>>> amsatnet.info
>>>>> KDØWHB
>>>>> electricity440 at gmail.com
>>>>>
>>>>>
>>>>> _______________________________________________
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>>>>
>>>>
>>>
>>> --
>>> Skyler Fennell
>>> amsatnet.info
>>> KDØWHB
>>> electricity440 at gmail.com
>>>
>>>
>>
>
> --
> Skyler Fennell
> amsatnet.info
> KDØWHB
> electricity440 at gmail.com
>
>


-- 
Skyler Fennell
amsatnet.info
KDØWHB
electricity440 at gmail.com
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