[Hackrf-dev] ANT500 shorted

[Iluta V]

All is fine, hackrf is working well with with paper clip...!

Until I fix ANT500.

Girls from Latvia solved this also :)

Regards,

Iluta

On Mon, Sep 29, 2014 at 8:53 AM, Christoffer Holmstedt <
christoffer.holmstedt at gmail.com> wrote:

> I've tried some basic FM examples with my HackRF that I got from
> Store4Geeks and it works just fine so it's not the entire batch that got
> broken antennas ;)
>
> --
> Christoffer Holmstedt
>
> 2014-09-28 22:39 GMT+02:00 Rich S <richnsanders at gmail.com>:
>
>>  The whip can be handy, especially when traveling.  Unless you're going
>> to transmit, I'd recommend hiding a discone antenna in your attic (this
>> wife will not like seeing this every day.)  The wideband freq response is
>> great, although there is no gain.  The ST4 costs under $70,
>> http://www.antennacraft.net/Antennas/AntennasScanner.html , and does a
>> good job.  If you're handy, you can make your own discone using the
>> calculator on this page, http://www.changpuak.ch/electronics/calc_11.php
>> ,  I made a discone antenna that has very good performance from 600 Mhz to
>> just under 6 Ghz.  I made this out of sheet metal and it cost me under $45.
>>
>> Wideband amps are really getting cheap too.  QST's July 2014 edition had
>> the schematics and parts list for an amp that will work up to 4 Ghz and 6
>> Ghz.
>>
>> Rich
>>
>>
>>
>> On 9/28/2014 2:38 PM, Matthias Wolf wrote:
>>
>>   Hi Mike & list,
>>
>> I just wanted to let you know that I also received a shorted ANT500 (got
>> mine from Store4Geeks in Sweden). Until I found out today, my experiences
>> with the tutorials and HackRF were very, very discouraging. I only got a
>> huge DC spike in the center of my spectrum but no usable signals at all.
>>
>> I got this behaviour across all systems (including Pentoo) and all SDR
>> applications. The FAQ made me think that I had a firmware / library
>> mismatch problem, so I sat down and went through the hassle of manually
>> compiling the newest versions. Ah, my wife says hello. Turns out she's not
>> quite happy having me in the basement all the time.
>>
>> So, for the sake of other husbands' wellbeing, I would like to encourage
>> you to update the FAQ to include these particular symptoms together with
>> the advice to measure the antenna and replace it with a paperclip.
>>
>>  Unfortunately that's not all. When I tried to repair the ANT500 by
>> myself (effectively voiding the warranty), the spring decided to jump away
>> and to hide somewere beneath my furniture. So now it's useless AND missing
>> a part. Could you help me out somehow? Are you shipping spare parts to
>> Europe by any chance?
>>
>>  Thanks
>>  Matt
>>
>>
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>>
>>
>>
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>
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