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IK2CHZ Italy flag Italy

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Ham Member Lookups: 19625


Hello and welcome. Thanks for visiting this page! smiley

On the former "Air Force One" (Boeing 707). Dayton (Ohio - USA) Air Force Museum, May 2007.

My new shack from February 2009.

I had the surprise to see me on the brochure of Ham Radio 2008 in Friedrichshafen. Left me, right Aldo I2AOX. Right pic: one of my frequent works with antennas.

My web site: www.ik2chz.it

My webcam: http:ik2chz.homepc.it:8020 user: user pwd: nothing (no password)


I was born in april 1959 in a village near my actual QTH. Since the mid of the '70 when I began to take interest in ham radio, I felt that my main goal was DX hunting in HF. I got the Italian licence on april 15th1983 and in 2001 the US Extra class call K2CHZ. In 1991 I married Cristiana (IW2NVI/KC0QXT) who shares with me this great passion, we live at the top floor of a condominium in the centre of Crema, a nice, old and small town 30 Km from Milano, where we work at Linate airport.

My terrace on the top of my house:

An "hairy" operator, this is a CAT control:

Targets reached:

2006: #1 DXCC Honor Roll.

September 2009: 160 m. DXCC.

May 2007: ARRL Volunteer Examiner.

Untill today (June 2014) my score is:

All 340 DXCC (344 with deleted) entities confirmed and credited on Phone

110 DXCC entities worked on 160 m. and 101 confirmed!

118 DXCC entities worked on 6 m.

325 DXCC entities worked on RTTY

2684 DXCC entities worked for Challenge and 2090 confirmed

859 IOTA worked and 573 confimed

196 CQ Zones worked and 193 confirmed for 5BWAZ (missing 4 on 80 sad)


Main HF station (6-160m.) DX chasing:

RTX Icom IC-7800, 3 el. dynamic Yagi (3 el. from 10 to 54 MHZ and 2 el on 7 MHz) Antenna Dinamica 3 el. Special at 35 m. above the ground. On 80 and 160 m. vertical (12 m. high) by Antenna Dinamica at 25 m. above the ground with 20 radials for a total lenght of 370 meters. Station accessories: MicroHam Station Master for automatic antenna switching, TelePost LP-100A power and SWR meter, home made antenna switching with 4 vacuum relais.

Combined with IC-7800 there is a SDR receiver ELAD FDM-S2.

Afterburner: SPE Expert 2K-FA fully automatic solid state amplifier.

The beam is supported with a 10 meters telescopic pole by Prosistel and rotated with a computer controlled Prosistel PST641D rotator.

On 6 m. 5 el. Yagi by I0JXX.

Proud owner of antennas, rotator/pole, amplifier and SDR receiver all made in Italy.

New antennas setup from spring 2014, works are always in progress. This picture has been taken from the roof af my house at 25 meters above the ground.

Secondary HF station (10-40 m.) and HF APRS:

RTX Icom IC-7000. Antenna 10 m. whip with ATU SGC-237 at 25 m. above the ground.

Main 2 m., 70 cm. and 23 cm. all mode (SAT and long distance VHF/UHF):

RTX Icom IC-970H (with UX-97 23 cm. unit, UX-R96 60-900 MHz sub rx, UT-34). Omni ant. Diamond X-7000 (2 m., 70 cm. and 23 cm.) at 35 m. or switch on log-periodic 105-1300 MHz Create 5130-2N on a computer controlled (VU2FD interface) Yaesu G-5500 az/el rotator at 28 m.

Second VHF/UHF (local FM and D-Star):

RTX Icom IC-2820 (with UT-123), and Diamond X-50 at 25 m.

Receiving only and internet shared 0-2000 MHz station:

RX Icom IC-R9000, HF ant. home made T2FD 20 meters long 2-30 MHz at 25 m. VHF/UHF Icom AH-7000. You can listen and tune it on www.globaltuners.com at node Crema .

APRS station:

RTX VHF Icom IC-2400 10-40 W, UHF Yaesu FT-7800 25W. Ant. Diamond X-500 25 meters above the ground.

On the air in APRS from 1999. From november 2004 (H24 7/7) a weather station transmits datas bothon TCP (IK2CHZ) and radio (IK2CHZ-3). It is a Davis Vantage Pro 2 connected to a pc running Weather Display wich generate a wx file for UI-View (THE APRS software). UI-View handles 3 dual port TNCs (Kantronics KAM 8 enhanced, Kantronics KPC-4, Kantronics KAM XL) and one single port Raschi 12-96. At the same time runs JAVAPRSServer (server TCP/RF) (call IK2CHZ-11). Everything is linked with TNCs via AGWPE. If you want to try the server is: ik2chz.no-ip.biz:10152 . Frequencies: 144.800 1200 Bd, 432.500 Bd, 144.950 9600 Bd, 14.103 and 10.147 300 Bd.

See my weather display live HERE!

Mobile (car 1): call IK2CHZ-9, Kenwood TM-D710 and AvMap G5

Mobile (car 2): call IK2CHZ-8, Yaesu FTM-350

Portable radio: call IK2CHZ-2, Kenwood TH-D72

Portable computer: call IK2CHZ-7, tablet Sony Xperia Z (Android) or subnotebook Sony Vaio TX3 (Windows XP) with mobile internet connection

Smartphone: call IK2CHZ-5, Samsung Galaxy S3 with APRSDroid

Click here to see my interview about APRS (in Italian)

Scanning 50-900 MHz:

RX Standard AX-700, ant. Diamond X-30.


About 10 HTs: Icom IC-T81E, Kenwood TH-D72, Yaesu VX-3, Alinco DJ-C7, Puxing PX-777, Motorola.

The top picture shows a nice september sunset taken from the top of my roof and it won the first place of ARI "Concorso Desk Top Radioamatori".

and more...

I have been active as TU5IJ (QTH Nassian) in January 1999. ID9/IK2CHZ (Stromboli Is.) in July 2003. SV8/IK2CHZ (Ios Is.) in September 2005.

My other big passion is aviation and I have aeronautical radiotelephony licence.

free counters

Interpreting Solar Data

A INDEX: 1-6 BEST, 7-9 FAIR, 11+ BAD�- Represents overall geomagnetic condition of the ionosphere over a given 24 hour period.

K INDEX: 0 or 1 BEST, 2 OKAY, 3+ BAD, 5 VERY BAD�- This is the overall geomagnetic condition of the ionosphere averaged over the planet over the past 3 hours. K index indicates geomagetic storms. Below 10 MHz, K of 5+ increases noise level appreciably, K of 7+ degrades HF significantly.

SFI: 70 NOT GOOD, 80 GOOD, 90 BETTER, 100+ BEST�- SFI is the Solar Flux Index and is a measure of total radio emissions from the sun.

  • Higher Solar Flux generally suggests better propagation on the 10, 12, 15, 17, & 20 Meter Bands. Solar Flux rarely affects the 30, 40, 60, 80, & 160
  • Generally, propagation conditions are best when the A index is 10 or lower, and the K index is 3 or lower.
  • SFI Solar Flux Index: When >70 then 20m opens. When > 90 then 15m opens.
  • X-Ray : Solar X-Ray emissions will cause shortwave fadeout. Classification from weak to strong X-Ray emissions : A, B, C, M, X
  • During a solar X-ray outburst, the lower frequencies are the first to suffer, with subsequent fading up the frequency spectrum over a short period (usually less than a hour). Signals crossing daylight paths will be the most affected (obviously as X-Rays come from the sun).

1417493 Last modified: 2014-11-08 14:10:12, 17903 bytes

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