David oh for the old days. If I put my ear to the ground I could hear it down in Franklin Ma. :-) But its been a pretty steady -50 db here on the whip and preamp. Regards Paul WB8TSL
On Fri, Aug 14, 2020 at 10:24 PM David G. McGaw <[email protected]> wrote: > I had to change from my "Marine Standard" 3 ft whip and preamp to a > small loop antenna and high-gain preamp, but am getting the signal in a > lot of noise and spherics in NH such that an Austron 2100F is locking. > There is a big difference between 1MW from Nantucket and 75kW from New > Jersey! > > David N1HAC > > On 8/14/20 5:52 PM, Dana Whitlow wrote: > > Thanks, Paul. > > > > Does this "standard marine preamp" have an integrated antenna of some > kind? > > If not (or you're not using it), can you tell me about the antenna you > > *are* using? > > > > I've not "heard" so much as a peep here in south central Texas, but have > > only > > looked in the daytime. Is the station transmitting around the clock? > > > > I do suffer from an abysmally-high noise level here. But I'm trying to > get > > a > > handle on whether it's even worth my trying further. > > > > Dana > > > > > > On Fri, Aug 14, 2020 at 4:23 PM paul swed <[email protected]> wrote: > > > >> Dana that was 11:29 am when you emailed me. Looking at the 3586 its -49 > db > >> now. > >> To your second question I can't really know that. Its a standard marine > >> preamp. Might guess 20-30 db. But its nothing special. Made by a company > >> STS. Classic FET, filter , 2 X transistor design. It would be a bit of a > >> math guess to use the 3586 reading and deduce the actual field strength. > >> Regards > >> Paul > >> WB8TSL > >> > >> On Fri, Aug 14, 2020 at 4:08 PM Dana Whitlow <[email protected]> > >> wrote: > >> > >>> Paul, > >>> > >>> What time of day did you measure that signal strength? > >>> > >>> And what are the characteristics of the "standard marine preamp"? > >>> Most importantly, what field strength corresponds to 1000 uV output > from > >>> it? > >>> > >>> Thanks, > >>> > >>> Dana > >>> > >>> > >>> On Fri, Aug 14, 2020 at 12:17 PM paul swed <[email protected]> > wrote: > >>> > >>>> Hello to the group. > >>>> The signal is on the air. > >>>> I have just discovered one of my favorite HP 3586 SLVM has an issue > >> with > >>>> sensitivity. > >>>> For reference in Boston on a second 3586 the level is -51db avg. or > >> 1000 > >>> uv > >>>> using a standard marine preamp 6' off the ground. The signal should > >>> remain > >>>> on until the 20th. > >>>> I think this also points to the funny issue I was seeing yesterday > with > >>>> intermittent signal levels. Darn one more project to the list. > >>>> Regards > >>>> Paul > >>>> WB8TSL > >>>> _______________________________________________ > >>>> time-nuts mailing list -- [email protected] > >>>> To unsubscribe, go to > >>>> > https://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.febo.com%2Fmailman%2Flistinfo%2Ftime-nuts_lists.febo.com&data=02%7C01%7Cdavid.g.mcgaw%40dartmouth.edu%7C61b6776a53e547d58a3108d8409cb4ed%7C995b093648d640e5a31ebf689ec9446f%7C0%7C0%7C637330389083645065&sdata=ew6q%2F6XZJ1Vwa0kaXm9kOjv32ZYr%2BcLO0r4mEi%2BM5Xw%3D&reserved=0 > >>>> and follow the instructions there. > >>>> > >>> _______________________________________________ > >>> time-nuts mailing list -- [email protected] > >>> To unsubscribe, go to > >>> > https://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.febo.com%2Fmailman%2Flistinfo%2Ftime-nuts_lists.febo.com&data=02%7C01%7Cdavid.g.mcgaw%40dartmouth.edu%7C61b6776a53e547d58a3108d8409cb4ed%7C995b093648d640e5a31ebf689ec9446f%7C0%7C0%7C637330389083645065&sdata=ew6q%2F6XZJ1Vwa0kaXm9kOjv32ZYr%2BcLO0r4mEi%2BM5Xw%3D&reserved=0 > >>> and follow the instructions there. > >>> > >> _______________________________________________ > >> time-nuts mailing list -- [email protected] > >> To unsubscribe, go to > >> > https://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.febo.com%2Fmailman%2Flistinfo%2Ftime-nuts_lists.febo.com&data=02%7C01%7Cdavid.g.mcgaw%40dartmouth.edu%7C61b6776a53e547d58a3108d8409cb4ed%7C995b093648d640e5a31ebf689ec9446f%7C0%7C0%7C637330389083645065&sdata=ew6q%2F6XZJ1Vwa0kaXm9kOjv32ZYr%2BcLO0r4mEi%2BM5Xw%3D&reserved=0 > >> and follow the instructions there. > >> > > _______________________________________________ > > time-nuts mailing list -- [email protected] > > To unsubscribe, go to > https://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.febo.com%2Fmailman%2Flistinfo%2Ftime-nuts_lists.febo.com&data=02%7C01%7Cdavid.g.mcgaw%40dartmouth.edu%7C61b6776a53e547d58a3108d8409cb4ed%7C995b093648d640e5a31ebf689ec9446f%7C0%7C0%7C637330389083645065&sdata=ew6q%2F6XZJ1Vwa0kaXm9kOjv32ZYr%2BcLO0r4mEi%2BM5Xw%3D&reserved=0 > > and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
