Now I am very tempted to try it out and see how many coworkers believe the metal hat.
On Tue, Nov 7, 2017 at 3:31 PM, Dan CaJacob <dan.caja...@gmail.com> wrote: > It's a joke :) > > On Tue, Nov 7, 2017 at 2:21 PM Kyeong Su Shin via USRP-users < > usrp-users@lists.ettus.com> wrote: > >> It will act as a RF shield. (see: https://en.wikipedia. >> org/wiki/Electromagnetic_shielding ) >> >> Not a recommended way to protect yourself from strong EM waves, but it >> does make a good joke. >> >> Regards, >> Kyeong Su Shin >> >> On Tue, Nov 7, 2017 at 11:01 AM, Kevin Hung via USRP-users < >> usrp-users@lists.ettus.com> wrote: >> >>> Hmm, I am just curious. What does the metal hat do? >>> >>> On Mon, Nov 6, 2017 at 11:38 PM, Dan CaJacob via USRP-users < >>> usrp-users@lists.ettus.com> wrote: >>> >>>> But if you want to have some fun with your co-workers. Put on a metal >>>> hat whenever you TX. If they ask what's going on, say "Don't worry about >>>> it" :) >>>> >>>> On Mon, Nov 6, 2017 at 4:49 PM Bakshi, Arjun via USRP-users < >>>> usrp-users@lists.ettus.com> wrote: >>>> >>>>> Thanks for clearing that up. >>>>> >>>>> >>>>> AB >>>>> ------------------------------ >>>>> *From:* Nick Foster <bistrom...@gmail.com> >>>>> *Sent:* Monday, November 6, 2017 3:58:05 PM >>>>> *To:* Bakshi, Arjun >>>>> *Cc:* usrp-users@lists.ettus.com >>>>> *Subject:* Re: [USRP-users] TX power levels. Long term exposure. >>>>> >>>>> Don't worry about it. You are several orders of magnitude below any >>>>> sort of permissible exposure limit. >>>>> >>>>> Nick >>>>> >>>>> On Mon, Nov 6, 2017 at 11:21 AM Bakshi, Arjun via USRP-users < >>>>> usrp-users@lists.ettus.com> wrote: >>>>> >>>>> I'm looking to do long duration experiments in a lab which will have >>>>> people in it while I TX and Rx, and I'd like to know what health and >>>>> safety >>>>> concerns I should keep in mind. >>>>> >>>>> >>>>> I tried looking at FCC and EU for limits on radiation levels, but >>>>> those specs aren't straightforward to understand. It's also difficult to >>>>> get an estimate of absolute power rxed/txed from the USRPs. So I'd like to >>>>> hear from anyone who knows about this stuff. >>>>> >>>>> >>>>> I'm using SBX (max power 100mW), and I'm thinking of using either the >>>>> 500-700MHz or the 1.2-1.3 GHz band. I'll be transmitting for *5ms >>>>> every second for a few hours*. The room is about 6m x 15m. Then >>>>> antennas will be 1-2 meters away from a few people. TX and RX are about 4m >>>>> apart. With gain set to 25dB, my signal has ~30dB SNR. >>>>> >>>>> >>>>> Sorry if this seems a bit odd/specific. >>>>> >>>>> >>>>> Thank you, >>>>> >>>>> >>>>> AB >>>>> >>>>> >>>>> _______________________________________________ >>>>> USRP-users mailing list >>>>> USRP-users@lists.ettus.com >>>>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >>>>> >>>>> _______________________________________________ >>>>> USRP-users mailing list >>>>> USRP-users@lists.ettus.com >>>>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >>>>> >>>> -- >>>> Very Respectfully, >>>> >>>> Dan CaJacob >>>> >>>> _______________________________________________ >>>> USRP-users mailing list >>>> USRP-users@lists.ettus.com >>>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >>>> >>>> >>> >>> _______________________________________________ >>> USRP-users mailing list >>> USRP-users@lists.ettus.com >>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >>> >>> >> _______________________________________________ >> USRP-users mailing list >> USRP-users@lists.ettus.com >> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >> > -- > Very Respectfully, > > Dan CaJacob >
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