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isdr-app · iSDR - Portable Software Defined Radio

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  • Members: 173
  • Category: Shortwave
  • Founded: Jul 28, 2010
  • Language: English
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Messages 48 - 81 of 228   Oldest  |  < Older  |  Newer >  |  Newest
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48 nz0i Offline Send Email Feb 8, 2011
1:00 am
Beta testing of the next iSDR release has just started. If you are interested in using iSDR to play your own IQ audio files, then you might be interested in...
50 Philip
g7jur Offline Send Email
Feb 9, 2011
10:59 am
I have been running iSDR on my iPad. The problem I have is I get random chicks on the audio. It happens if I play an audio file or using the mic input or USB...
51 Robert L. Tucker
k5td_qrp Offline Send Email
Feb 9, 2011
2:42 pm
... I do not have audio clicks on my iPad. Robert K5TD...
52 Philip
g7jur Offline Send Email
Feb 9, 2011
6:01 pm
Hi Robert. Why does this not happen on your iPad. what version of OS do you have on it. I would have thought that all iPads were the same Philip....
53 Robert L Tucker
k5td_qrp Offline Send Email
Feb 9, 2011
7:36 pm
I would think so, too. Could you be getting clicks from some external source? Just a thought. Are you using iMic? I am. Robert K5TD Sent from my iPhone 4...
54 Philip
g7jur Offline Send Email
Feb 9, 2011
10:14 pm
Hi Robert. What OS do you have on your iPad, as Charles did say there could be a problem with OS4. I have tried iMic and a UCA202. It is not so much clicks as...
55 Robert L Tucker
k5td_qrp Offline Send Email
Feb 9, 2011
10:25 pm
The latest one, whatever that is. I keep it up to date on iTunes. Sent from my iPhone 4...
56 wa9ubr Offline Send Email Feb 13, 2011
1:06 am
I downloaded iSDR for my iPod touch (2nd gen) and find that I want to be able to do more than just listen to what you have recorded. I've purchased a Softrock...
57 Charles Scharlau
nz0i Offline Send Email
Feb 13, 2011
3:08 am
Hello DJ, Unfortunately, there is much more involved in connecting an external stereo device than just connecting the iPod's line in docking connector pins to...
58 wa9ubr Offline Send Email Feb 13, 2011
3:32 am
Charls, thanks for your quick reply. Looks like this is going to cost me more than I thought. The link was quite helpful. As far as using the iPod 2G, it is...
60 Peter
ni9n Offline Send Email
Feb 26, 2011
6:19 pm
I'm offering a Lazy Dog LD-1B SDR , factory reconditioned, at auction on Ebay <http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=170607506018&ssPageN\ ...
61 nz0i Offline Send Email Mar 29, 2011
1:02 am
RIM has recently announced the availability of their new iPad competitor product: PlayBook. Interestingly, PlayBook will include stereo microphones. I have yet...
62 applewiz2000 Offline Send Email Apr 8, 2011
1:35 pm
Hi Group, Microchip just released a set of dev kits that would make a nice little SDR project for someone with a lot of time on their hands: ...
63 docsuph Online Now Send Email Apr 26, 2011
11:23 pm
AT present I have just finished a Lite II and own a Ipod 4g. I have looked at most of the stereo microphones that have been recommended but none of them say...
65 Philip
g7jur Offline Send Email
Jun 28, 2011
11:29 am
Hi Charles. When running iSDR app on my iPad the spectrum base line is off the bottom of the screen. Is it possible that the next release of ISDR that could be...
66 Charles Scharlau
nz0i Offline Send Email
Jun 28, 2011
2:07 pm
Hi Philip, It is good to hear from you again. I will definitely try to address this in the next release. I plan to be adding FM mode soon. I may need some more...
67 Philip
g7jur Offline Send Email
Jun 28, 2011
6:49 pm
Hi Charles. No it's the green spectrum, the display of input. When there is little or no signal it is off the bottom of the display. This is not a problem on...
68 Charles Scharlau
nz0i Offline Send Email
Jun 29, 2011
4:27 pm
I'll look into it. Also, I've wondered if it might also be nice to have a logarithmic scale (vertically), since signal strength is actually being displayed...
69 miclevel@...
miclevel42 Offline Send Email
Jun 29, 2011
6:50 pm
Hi Charles -- Yes, please do the log scale!!! I would like to use iSDR as an IF panadaptor for pointing and tuning up my microwave rig, and sun noise and...
71 saukp Offline Send Email Jun 30, 2011
6:00 pm
Question Does setting the center frequency send a command to the attached SDR radio ( i.e. softrock ensemble II) to set its LO?? or is this for iSDR display...
72 Charles Scharlau
nz0i Offline Send Email
Jun 30, 2011
7:03 pm
Hello Paul, Thanks for your inquiry. As you suspect, there currently is NO iSDR support for direct control of an attached SDR radio/QSD device. iSDR just...
73 miclevel@...
miclevel42 Offline Send Email
Jun 30, 2011
7:10 pm
In the mean time, here's an iSDR external tuning solution that I'm considering: http://sdr-kits.net/PAOKLT/PA0KLT_Leaflet.pdf This Si570 VFO kit has a tuning...
74 Charles Scharlau
nz0i Offline Send Email
Jun 30, 2011
7:28 pm
There you go. What you see there in the PA0KLT kit is >90% of what is needed (assuming that ucontroller includes an RS-232 port) to create an Apple SDR ...
75 miclevel42 Offline Send Email Jun 30, 2011
7:32 pm
Hi Charles -- This is just to start a new thread on the log scale idea and to add a comment to my earlier posting: The reference level (as it's called in...
76 miclevel42 Offline Send Email Jun 30, 2011
7:37 pm
It's even simpler than that ... the ensemble RxTX SDR already has a USB interface to control it's VFO ... the only new hardware needed for direct iSDR control...
77 miclevel42 Offline Send Email Jun 30, 2011
7:43 pm
PS: The reason I mentioned the kit is that it works without any new iSDR interfaces, and also without lugging around a PC. The tuning controller and display...
78 Charles Scharlau
nz0i Offline Send Email
Jun 30, 2011
8:49 pm
Your point is well taken. The kit would be much smaller and handier than lugging around a laptop just for QSY. Regarding my tangent comment related to an...
79 Charles Scharlau
nz0i Offline Send Email
Jun 30, 2011
9:14 pm
I'll definitely look into the reference level. It would also probably address Philip's request for displaying weak signals currently not visible on the...
80 saukp Offline Send Email Jul 1, 2011
11:43 am
thanks all for the info.. it has spurred the desire for additional info Q1...if a powered usb hub with multiple device is attached, is the ipad able to 'see'...
81 Charles Scharlau
nz0i Offline Send Email
Jul 1, 2011
12:56 pm
Hello Paul, Thank you for the questions. Here's what I can tell you... Q1...if a powered usb hub with multiple device is attached, is the ipad able to 'see'...
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