Hi, I forgot to mention that the interpulse period is 38 ms on 2017/07/04 at 01:21:00 UTC and 40 ms on 2017/07/05 02:04:00 UTC.
juha On Mon, Jul 3, 2017 at 9:58 PM, Juha Vierinen <jvier...@gmail.com> wrote: > Hi, > > Just to let you guys know, I'll be radiating the moon with 1 MW and 36 dBi > 49.92 MHz on 2017/07/04 at 01:21:00 UTC. The experiment will repeat also at > 2017/07/05 02:04:00 UTC. Both experiments last about 15 minutes, when the > Moon transits the radar beam. > > In case somebody wants to tune in with their gear, here are some details. > > I'm using the Jicamarca radio observatory radar, which is located in Peru. > The system is locked to GPS. The transmissions are binary phase coded > pulses with 10 microsecond baud length, so a recording with >100 kHz > bandwidth is needed. > > If you've got a GPS locked system, you should be able to produce a lunar > synthetic aperture radar map, such as this one: > > http://www.haystack.mit.edu/~j/ns-depolarized.png > > The phase code is a 13*13 bit Kroenecker product Barker code. The phases > are listed here: > http://www.haystack.mit.edu/~j/b169.h5 > > In text form, the code is: > [ 1. 1. 1. 1. 1. -1. -1. 1. 1. -1. 1. -1. 1. 1. 1. 1. 1. 1. > -1. -1. 1. 1. -1. 1. -1. 1. 1. 1. 1. 1. 1. -1. -1. 1. 1. -1. > 1. -1. 1. 1. 1. 1. 1. 1. -1. -1. 1. 1. -1. 1. -1. 1. 1. 1. > 1. 1. 1. -1. -1. 1. 1. -1. 1. -1. 1. -1. -1. -1. -1. -1. 1. 1. > -1. -1. 1. -1. 1. -1. -1. -1. -1. -1. -1. 1. 1. -1. -1. 1. -1. 1. > -1. 1. 1. 1. 1. 1. -1. -1. 1. 1. -1. 1. -1. 1. 1. 1. 1. 1. > 1. -1. -1. 1. 1. -1. 1. -1. 1. -1. -1. -1. -1. -1. 1. 1. -1. -1. > 1. -1. 1. -1. 1. 1. 1. 1. 1. -1. -1. 1. 1. -1. 1. -1. 1. -1. > -1. -1. -1. -1. 1. 1. -1. -1. 1. -1. 1. -1. 1. 1. 1. 1. 1. -1. > -1. 1. 1. -1. 1. -1. 1.] > > Any reports of hearing the transmissions are appreciated. > > juha >
_______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
