[hpsdr] IPhone SDR Application

[John Melton]

Hi Richard,

I have ordered the development board and a connector from this web site:

     http://www.chargeconverter.com/shop/connector.htm?conndev.htm

It looks like it has all the options for playing with the iPhone 
interfaces on the accessory socket ;-)

Regards,

John g0orx/n6lyt


On 07/08/09 12:42, Richard Stasiak wrote:
> ***** High Performance Software Defined Radio Discussion List *****
> 
> Hi John
> 
> Thanks for the offer for some guidance on building ghpsdr on the mac.
> 
> Re: the iPhone receiver, I have also looked around for an I/O connection 
> device, but it looks like homebrewing one is necessary.  I will search 
> to see if someone has published details.
> 
> 73
> 
> Rick ve3mm
> 
> On 8-Jul-09, at 5:33 AM, John Melton wrote:
> 
>> Richard,
>>
>> I will try to build ghpsdr on my Mac again and publish the details.
>>
>> The latest iPhone software allows better access to the accessory 
>> socket which does have stereo line-in.  I have been trying to find an 
>> adapter that would let me connect to this input but so far the only 
>> one I have found is a very expensive stereo microphone.  I am going to 
>> try to get a connector and make my own dock on a softrock receiver to 
>> see if I can get something working.
>>
>> Based on some software I have that does spectrum analysis of the audio 
>> input I think it should be capable of at least being a fairly 
>> reasonable receiver.
>>
>> Regards,
>>
>> -- John g0orx/n6lyt
>>
>>
>>
>> On 07/08/09 02:07, Richard Stasiak wrote:
>>> ***** High Performance Software Defined Radio Discussion List *****
>>> Hi Dave
>>> Yes, I have been following John's work. It is very impressive. I have 
>>> been trying to build the ghpsdr files on my mac, but have not had any 
>>> success yet.
>>> However, I was looking at the IPhone doing the A/D, processing the I 
>>> and Q and outputting the audio from a device such as a softrock. It 
>>> should also be able to work as a tx as well.  There may be some 
>>> input/output issues though. I am not sure how much control there is 
>>> on I/O selection on the IPhone.
>>> 73
>>> Rick ve3mm
>>> On 7-Jul-09, at 7:46 PM, Dave Larsen wrote:
>>>> Richard --
>>>>
>>>> If you are not following John Melton's blog website on ghpsdr take a 
>>>> look at what he is been up to.
>>>>
>>>> http://javaguifordttsp.blogspot.com/
>>>>
>>>> iphone app reading a stream from ghpsdr on his linux box.
>>>>
>>>> Dave, KV0S
>>>>
>>>> Richard Stasiak wrote:
>>>>> ***** High Performance Software Defined Radio Discussion List *****
>>>>>
>>>>> Hello Everyone;
>>>>>
>>>>> I purchased a program for my IPhone to record and output sound 
>>>>> pressure measurements for generator commissioning tests that I do 
>>>>> at work.  The program is pretty capable and even turns the IPhone 
>>>>> into a oscilloscope. The link for this program is:
>>>>> http://www.faberacoustical.com/products/iphone/signalscope_pro/
>>>>>
>>>>> Anyway, looking at the FFT analyzer in the program I started 
>>>>> dreaming that the IPhone must have all the capabilities needed to 
>>>>> be the computing end of a QSD/QSE device.
>>>>>
>>>>> Who will write the code first?  I don't think it will be me. ;-)
>>>>>
>>>>> 73
>>>>>
>>>>> Rick ve3mm
>>>>> _______________________________________________
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>>>>
>>>>
>>>> -- 
>>>> Dave Larsen, KVØS
>>>> Columbia, MO USA
>>>>
>>>>
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> 
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