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 <[email protected]>: > 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 > > > _______________________________________________ > HackRF-dev mailing > [email protected]https://pairlist9.pair.net/mailman/listinfo/hackrf-dev > > > > _______________________________________________ > HackRF-dev mailing list > [email protected] > https://pairlist9.pair.net/mailman/listinfo/hackrf-dev > >
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