Hyvin kuuluu... sekä suoraa että kuun kautta. Suora signaali täällä S9+10dB... +30dB. Kaiut parhaimmillaan S2, useimmiten ei kuitenkaan mitään. Mahtavatkohan vaihdella tehoja? Antennina 40m inverted-V. Kuu suoraan yläpuolella.
Risto On Jan 17, 2008 1:08 PM, Risto Kotalampi <[EMAIL PROTECTED]> wrote: > > Tässä mielenkiintoinen radiokokeilu. HAARP on tutkimusasema Alaskassa ja > se käsittääkseni lähettää useamman megawatin teholla. > > Jos kuu on näinä aikoina Suomessa horisontin yläpuolella, kannattaa > kuunnella kaikuja. Ja vaikka ei olekaan, voi olla mielenkiintoista > tarkkailla sen kuuluvuutta ionosfäärin ja kaikujen kautta. Jollain > spectralabilla tms kannattaa piirtää dataa jos mahdollista. > > Tässä yksi esimerkki DX-kuuntelusta, joka ei ole QSL:ien keruuta. > Mielenkiintoisia asioita radiomaailmassa on yllin kyllin ilman paperien > keräämistä. > > Risto > > -- > > > SB SPCL @ ARL $ARLX002 > ARLX002 Lunar Echo Experiment looking for Amateur Radio Participants > > ZCZC AX02 > QST de W1AW > Special Bulletin 2 ARLX002 > From ARRL Headquarters > Newington CT January 17, 2008 > To all radio amateurs > > SB SPCL ARL ARLX002 > ARLX002 Lunar Echo Experiment looking for Amateur Radio Participants > > The HF Active Auroral Research Program (HAARP) in Alaska and the > Long Wavelength Array (LWA) in New Mexico are planning an additional > lunar echo experiment for January 18-19. > > Interested radio amateurs are invited to participate in this > experiment by listening for the lunar echoes and submitting reports. > > On January 19, listen on 6.7925 MHz from 0500-0600z, and on 7.4075 > MHz from 0600-0700z. On January 20, listen on 6.7925 MHz from > 0630-0730z and on 7.4075 MHz from 0730-0830z (depending on frequency > occupancy at the time of operation, it may be necessary to adjust > the frequency slightly). > > Based on previous experiments, investigators believe it should be > possible to hear the lunar echoes with a standard communications > receiver and a simple 40 meter dipole antenna. The format for the > transmissions will follow a five second cycle beginning on the hour > and repeating continuously. > > The HAARP transmitter will transmit for the first two seconds. The > next three seconds will be quiet to listen for the lunar echo. Then > HAARP will transmit again for two seconds, repeating the cycle for > one hour. In the second hour, this five second repetitive cycle will > be repeated at a different frequency. All transmissions from HAARP > will be CW (no modulation). > > Depending on ionospheric conditions, it may or may not be possible > to hear the HAARP transmission directly via skywave propagation. > Since HAARP will not be using any modulation, set your receiver on > to CW mode to hear HAARP and the lunar echo. Investigators are > interested in receiving signal reports from radio amateurs who may > be able to detect -- or not detect-- the lunar echo or the > transmitted skywave pulse from HAARP. > > Submit reports via e-mail to [EMAIL PROTECTED] and list your > call sign and the type and location of your receiving equipment and > antennas. > NNNN > /EX > > -- > Risto Kotalampi (W6RK) > Hayward, CA -- Risto Kotalampi (W6RK) Hayward, CA
___________________________________________________________________________________ Tilaa WRTH 2008 nyt: http://www.hard-core-dx.com/redirect2.php?id=wrth2008 ----------------------------------------------------------------- DX mailing list [email protected] http://montreal.kotalampi.com/mailman/listinfo/dx _______________________________________________ THE INFORMATION IN THIS ARTICLE IS FREE. It may be copied, distributed and/or modified under the conditions set down in the Design Science License published by Michael Stutz at http://www.gnu.org/licenses/dsl.html
