Jim, how large is the Goldstone antenna to which you referred? Dana
On Tue, Mar 30, 2021 at 4:01 PM Lux, Jim <j...@luxfamily.com> wrote: > On 3/30/21 6:40 AM, Wes wrote: > > Was a pity. China's FAST is receive only. I believe that leaves > > Green Bank as the biggest transmitting telescope. > > More likely the Goldstone Solar System Radar function of DSN on the 70m > (DSS-14) - 500kW in X band at 8560 MHz > > There *is* a new transmitter for GB - but it's a demo - 700 W and > temporarily installed up at the feed for a test. I don't know what > frequency. People are pitching a 500kW system, but we shall see. > > > > > > > I remember 417s. I had them in a copy of a design by W2AZL. I also > > had a two-meter preamp I designed using 416Bs. Of course uW cooled > > preamps are not unusual now, but back then a blower on a receive > > amplifier was unusual :-) > > > > Wes Stewart N7WS > > > > On 3/30/2021 4:06 AM, ew via time-nuts wrote: > >> GOOD Morning Tom Thank you for the super information Read it over > >> and over. To me no joy, sadness for Astronomy, Science, Puerto Rico > >> and the US. China is now the leader with a 500 meter unit! Did follow > >> it since the seventies because of the low noise receivers. Remember > >> the 417 Triodes? I had some for Ham use. > >> Any body knows what happened to its Maser? > >> Bert Kehren > >> _______________________________________________ > > _______________________________________________ > > time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe > > send an email to time-nuts-le...@lists.febo.com > > To unsubscribe, go to and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send > an email to time-nuts-le...@lists.febo.com > To unsubscribe, go to and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send an email to time-nuts-le...@lists.febo.com To unsubscribe, go to and follow the instructions there.