[Hackrf-dev] HackRF hardware problems

indy747 at gmail.com indy747 at gmail.com
Wed Nov 26 12:14:37 EST 2014


I'll have to contact Nooelec again - here is part of an earlier thread 
with them.

No problem, it's the least we could do :-/

Kind Regards,
Sarah
NooElec Inc.

On Tue, Oct 21, 2014 at 1:06 PM, <indy747 at gmail.com 
<mailto:indy747 at gmail.com>> wrote:

    Thanks for your help, you have always provided great support!


    On 10/21/2014 6:23 AM, NooElec Support Team wrote:
>     Very sorry to hear you are still waiting Norm :(  As we mentioned
>     earlier, since we only did the shipping for the Kickstarter orders
>     there is little we can do to assist.  However, we will try to
>     ensure your message to the manufacturer gets answered soon. 
>     Thanks for your understanding and patience.
>
>     Kind Regards,
>     Sarah
>     NooElec Inc.
>
>     On Mon, Oct 20, 2014 at 5:07 PM, <indy747 at gmail.com
>     <mailto:indy747 at gmail.com>> wrote:
>
>         Mike,
>
>         I'm sure you are very busy, but I would appreciate a
>         response.  One of my HackRF's is defective, how can I get it
>         replaced? Can you send me a new one and have me send back the
>         one that's having issues?  It's been over two months now, and
>         I would like to get this resolved.
>
>         Thanks!
>         Norm
>
>
>         -------- Original Message --------
>         Subject: 	Fwd: Problem with HackRF
>         Date: 	Fri, 12 Sep 2014 14:53:42 -0700
>         From: 	indy747 at gmail.com <mailto:indy747 at gmail.com>
>         To: 	mike at ossmann.com <mailto:mike at ossmann.com>
>
>
>
>         Mike,
>
>         I sent you a message a while ago about issues with one of my
>         HackRF units.  I think NooElec also sent a message a week or
>         so later.  Maybe one of the switches on the front-end is not
>         working properly. How do I go about doing an RMA for the unit
>         that's not working correctly?
>
>         Thanks, Norm.
>
>
>         -------- Original Message --------
>         Subject: 	Problem with HackRF
>         Date: 	Mon, 18 Aug 2014 13:37:58 -0700
>         From: 	Norm Dye <indy747 at gmail.com> <mailto:indy747 at gmail.com>
>         Reply-To: 	indy747 at gmail.com <mailto:indy747 at gmail.com>
>         To: 	mike at ossmann.com <mailto:mike at ossmann.com>
>
>
>
>         Mike,
>
>         I've been enjoying scanning around with my new HackRF, and it seems like
>         there is a problem with it.  Just for fun I was comparing some signals
>         between it and my Terratec dongle.  The dongle seemed to be more
>         sensitive and produced fewer spurious spikes.  I tried playing with the
>         LNA gain, VGA gain, and Amp.  That helped some, but I noticed whenever I
>         turned on the Amp, it seemed to kill the signal.  I have a second HackRF
>         I purchased as an add-on, and it has much better sensitivity and the Amp
>         does seem to change the levels and not kill the signal.  Is there
>         anything I can adjust, or does it sound like I have a bad unit?
>
>         Thanks, Norm
>
>
>
>
>
>
>
>
>




On 11/26/2014 10:07 AM, ccrypti at nym.hush.com wrote:
> I shipped it back to Risc Corp who is one of the official
> resellers. They didn't have any in stock left as that was the last
> unit but they didn't give me a hard time and simply refunded the
> original amount.
>
> On Wed, 26 Nov 2014 18:00:19 +0100 indy747 at gmail.com wrote:
>> Who did you ship it back to?  At this point I would like to ship
>> back my
>> defective unit for a refund as well.
>>
>> On 11/26/2014 9:56 AM, ccrypti at nym.hush.com wrote:
>>> I shipped mine back, was DOA, at least got a refund but probably
>>> won't get my customs fee back and paid for the return shipping.
>> I
>>> tried to contact Michael before i shipped it back but got only
>>> <crickets> back.
>>> Kind of disappointed with this, so i'm most likely going to save
>> a
>>> budget for the USRP B200 or B210. But this time i'll check
>> reviews
>>> and any issues first before throwing again money.
>>>
>>> Anyway, thanks to the good people on this list who provided
>> advise
>>> / troubleshooting tips, appreciated !
>>>
>>> On Wed, 26 Nov 2014 17:41:24 +0100 "Paolo Mattiolo"
>>> <mattiolo at gmail.com> wrote:
>>>> Thanks Doug for the informations,
>>>>
>>>> I was waiting for a unit but I removed the order yesterday in
>>>> favour of a
>>>> hermes-lite, that is closer to my needs.
>>>>
>>>> Now, after your quick review, I'm happy for my new choice.
>>>>
>>>> Paolo, IN3AQK
>>>>
>>>>
>>>> On Wed, Nov 26, 2014 at 4:46 PM, McDonald, J Douglas
>>>> <jdmcdona at illinois.edu>
>>>> wrote:
>>>>
>>>>> Several people have complained with HackRF problems, worrying
>> if
>>>> their
>>>>> unit is defective.
>>>>>
>>>>>
>>>>>
>>>>> I have the same worries. Mine clearly is nowhere near as good
>> as
>>>>> the DVB dongles.  But it clearly works, no quibble. It works
>>>> both in
>>>>> SDR#/Windows and Gnuradio/GRC/Ubuntu.
>>>>>
>>>>>
>>>>>
>>>>> But it is plagued by spurious spikes of near-CW stuff
>>>> everywhere, even
>>>>> up in the upper GHz areas where there should be essentially
>>>> nothing.
>>>>> It sees Wi-Fi fine ... but covered by these spurious carriers.
>>>> And
>>>>> many of them are DIFFERENT in SDR# and Gnuradio. And using
>> both
>>>>> they are dependant, both in amplitude and frequency, on the
>>>>>
>>>>> gain settings at the low gain end as well as the high gain
>> end.
>>>>> That dependance at the low gain end implies to me that its is
>>>>>
>>>>> incorrectly dithered or some software problem.
>>>>>
>>>>>
>>>>>
>>>>> I bought it for the wide bandwidth for certain special
>> purposes
>>>>> and it serves those purposes OK even in the presence of the
>>>> garbage.
>>>>> But for general use, its a plain, and expensive, joke.
>>>>>
>>>>>
>>>>>
>>>>> Doug McDonald
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> HackRF-dev mailing list
>>>>> HackRF-dev at greatscottgadgets.com
>>>>> https://pairlist9.pair.net/mailman/listinfo/hackrf-dev
>>>>>
>>>>>
>>>> -- 
>>>> Paolo Mattiolo
>>>> Software developer
>>>>
>>>> http://www.mattiolopaolo.com
>>>> blog: http://in3aqk.blogspot.it/
>>>>
>>>> IRCCHAT http://webchat.freenode.net/?channels=qrp
>>>>
>>>> Profilo LinkedIn <http://it.linkedin.com/pub/paolo-
>>>> mattiolo/3a/453/990>
>>>> Profilo Pinterest <http://pinterest.com/paolomattiolo/>
>>> _______________________________________________
>>> HackRF-dev mailing list
>>> HackRF-dev at greatscottgadgets.com
>>> https://pairlist9.pair.net/mailman/listinfo/hackrf-dev
>>
>> _______________________________________________
>> HackRF-dev mailing list
>> HackRF-dev at greatscottgadgets.com
>> https://pairlist9.pair.net/mailman/listinfo/hackrf-dev
> _______________________________________________
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