ik2pii
|
136 kHz equipments the station is located in Sormano (jn45pu, 45°52'28"N 9°15'03"E), 50 Km north of Milano, 750 m over the see. My usual QTH is Milano, so I'm on air only in week-ends and in holiday's time (if WX is good!). 27 MHz xtal
oscillator, x200
divider, 180 W power amplifier with 1 x 2SK1029 mosfet it uses one 3.0000 MHz and one 3.2768 MHz standard microprocessor crystals. It is tunable in the QRSS portion of the band. narrow band filter and preamplifier, used as front-end for direct conversion receiver for image attenuation easy to build: 27.100 MHz xtal oscillator, x200 divider, NE602 mixer, active low pass filter, audio amplifier One Knob QRSS Receiver, to be used with Spectran QRSS software, this is a dedicated QRSS receiver. 250 mm PVC form, 190 turn, 6 mH main coil + 200 mm PVC form, 50 turn, 0.6 mH coaxial sliding coil (connected in series like variometer) antenna system Inverted "L": 10m high fishing pole + 20m about of horizontal wire ground system 30 m about
buried copper
rope + 3 x 2 m ground rods |