[App_rpt-users] gtx900

Pierre Martel petem001 at gmail.com
Sat Jul 6 17:30:44 UTC 2019


the tech that got them tuned told us they were low but not that much..
Could that be the reason I just cant have the receive side to even have
enough noise in it to properly do radio tune rxnoise?


Le sam. 6 juil. 2019 à 12:17, Kirk Just Kirk <wb6egr at gmail.com> a écrit :

> Nope....it wont hear for beans at 902..... use a 800 maxtrac with the
> injection upside down....Take the 936Mhz filters out and put a cavity in
> front of it...
>
> On Sat, Jul 6, 2019 at 7:29 AM Pierre Martel <petem001 at gmail.com> wrote:
>
>> We are using other gtx900.
>> They are not that sensible, but with a repeater at a good spot it works
>> pretty good.
>>
>>
>> Le sam. 6 juil. 2019 à 10:16, Bryan D. Boyle <bdboyle at bdboyle.com> a
>> écrit :
>>
>>> what he was asking is what hardware you’re going to use to receive @902
>>> MHZ?
>>>
>>> The GTX is beyond being stone deaf at that frequency, so if you were
>>> planning to use one as a receiver, you will not be receiving anything.
>>>
>>> It’s pretty hard to build a cheap radio (and the GTX is a cheap radio,
>>> considering) with 25 MHZ of bandwidth between shared components on the
>>> board.
>>>
>>>
>>> --
>>> Bryan
>>> Sent from my iPhone 6S...No electrons were harmed in the sending of
>>> this message.
>>>
>>>
>>>
>>> On Jul 6, 2019, at 10:06, Pierre Martel <petem001 at gmail.com> wrote:
>>>
>>> 902.400rx  927.400 tx
>>>
>>>
>>> Le sam. 6 juil. 2019 à 08:57, Kirk Just Kirk <wb6egr at gmail.com> a
>>> écrit :
>>>
>>>> What are you going to use a a RCVR (902.xxxx) Mhz?
>>>>
>>>>
>>>> On Sat, Jul 6, 2019 at 5:48 AM Pierre Martel <petem001 at gmail.com>
>>>> wrote:
>>>>
>>>>> Thats in the to do list. But I want to have it interfaced properly
>>>>> before doing this. Cause if I cant get those radio running good with
>>>>> allstarlink, I wont mess with the rest of the mods..
>>>>>
>>>>>
>>>>>
>>>>> Le sam. 6 juil. 2019 à 02:05, Kirk Just Kirk <wb6egr at gmail.com> a
>>>>> écrit :
>>>>>
>>>>>> Make SURE you do the power control mod!!!!!! These radios do stupid
>>>>>> things...like 2 watts one time and 18 the next time. They run hot. NOT a
>>>>>> good choice for a Node radio.
>>>>>>
>>>>>> On Fri, Jul 5, 2019 at 9:20 PM Pierre Martel <petem001 at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> Hello to the group, Got a pair of GTX900 mobile radio and got them
>>>>>>> tuned (mostly ok) to the ham band.
>>>>>>>
>>>>>>> I now want to use them for repeater use in the 900 mhz band.
>>>>>>>
>>>>>>> I went to repeater builder page and used all the info I could for
>>>>>>> the interfacing.
>>>>>>>
>>>>>>> I did went for flat audio connection, as stated on the gtx900 page I
>>>>>>> used pin 7 and 11 for the receiver audio out. And I did put the dip switch
>>>>>>> close to the interfacing jack to off as specified. I then tried to do a
>>>>>>> radio tune rxnoise but it always fail. I want to use the dsp fonction of
>>>>>>> usbradio as it is way easier then getting a cor output on the gtx900.
>>>>>>>
>>>>>>> Anyone ever used those radio with ASL?
>>>>>>>
>>>>>>> thanks
>>>>>>> VE2PF
>>>>>>>
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