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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