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home QRZCQ - The database for radio hams 
 
2026-04-27 10:46:16 UTC
 

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IW4AJR

Active premium QRZCQ.com user

activity index: 0 of 5
sticker
sticker

Loris Bollina

40053 Valsamoggia
Italy, BO

EU
italy
image of iw4ajr

Call data

Last update:2020-04-15 15:47:39
QTH:Near Bologna North Italy
Continent:EU
Premium:YES
Views:358
Main prefix:I
Class:A
Federal state:BO
Latitude:44.4422000
Longitude:11.0812200
Locator:JN54MK
DXCC Zone:248
ITU Zone:28
CQ Zone:15

Most used bands

20m
(32%)
10m
(24%)
40m
(22%)
80m
(11%)
6m
(7%)

Most used modes

USB
(62%)
LSB
(32%)
SSB
(7%)
FM
(1%)

QSL data

Last update:2020-04-15 15:48:15
eQSL QSL:YES
Bureau QSL:YES
Direct QSL:YES
LoTW QSL:YES
Extra QSL Info:PSE - confirmed our QSOs with QSL via eQSL - TNX !

Biography

Start my activity in 1976 - Sept.

My Activity is involved on:
- worked on SAT 2m & 70cm from 1979 until 1988 (NOT NOW).
- worked on 70cm for Tropo SSB DX and Contest 1976 until 2010 (NOT NOW).
- worked on 2m for Tropo SSB DX and Contest 1976 until 2010 (SOME TIMES NOW).
- ACTIVE on 1296 MHz for Tropo SSB DX and Contest from 1988 (Call me in HF, 50 or 2m for sched).
- ACTIVE on50 MHz for Tropo SSB DX from 1996 (active now).
- ACTINE on HF from 2005 (active now)

My Best DX:
- 144 MHz DX EA5IO 1492 km tropo (Potable /8 from Calabria, Punta Capo Vaticano, to Spanish)
- 50 MHz DX LU2FFD (from my shack)

My home-brewed realization:
preamplifiers:
- 70cm CF 300 1,2 dB NF 12 dB gain
- 23cm MRF 1312 0,9 dB NF 10 dB gain
- 2m BF 981 0.9 dB NF 10 dB gain
linear amplifiers:
- 70cm MHz 2C39 50 W
- 6m MHz 2x 6JB6 100 W
- 2m MHz QQE0640 100 W
Frequency counter:
- 3 input for read frequency from 10 Hz to 2,3 GHz
Spectrum analyzer:
- from 50 kHz to 300 MHz used over HP180 Scope.
Logarithmic Detector:
- with 80 dB dynamic from100 kHz to 900 MHz and 1,5 dB flat over the band wind.
QRP gear:
- ILER-40 40m DIY SSB gear 5W

My Future realization:
- AF filter Notch/Pass Band old stile (used simple 4x TL81 integrator filter).
- AF speech processor old stile (used JFET & Transistors).
- Pulsed Driver for dual state RF SWITCH with 2 o 1 coil with Arduino microprocessor.
- linear amplifier: 2m 2x S-AV36 (TOSHIBA modules) for 140W.
- DDS Scalar Network analyzer from 1MHz to 60MHz with Arduino Microprocessor.
- DDS Dual VFO with Arduino microprocessor.
- Linear amplifier: HF 2x IR510 50W for QRP gear.

Worked DXCCs:

Equipment

My shack is equipped by:
- ILER-40 40m DIY QRP SSB gear
- two Drake TR-7 HF gear,
- one Icom IC-707 HF gear,
- one Yaesu FT-736R VHF/UHF gear, with follow extension:
- FEX-736-1.2 - 23 cm band unit, 10 W
- FEX-736-50 - 6 m band unit, 15 W
- TV-736 - Amateur TeleVision adapter (AM-video)
- Keyer unit B - Electronic iambic keyer
- XF-455MC - CW narrow filter (600 Hz)
- FTS-8 - CTCSS unit
- one RM Italy VLA-150 6m 150 W Linear Amplifier and
- one Yaesu FL-2100B HF 500 W Linear Amplifier
- one Home-brew Keyer iambic with PIC microprocessor
- two DRAKE RV-7 external VFO for TR-7 Transceiver
- one DRAKE SP-75 speech processor for TR-7 Transceiver
- one DRAKE MS-7 external speaker for TR-7 Transceiver
- two DRAKE 7077 desk top microphone for TR-7 Transceiver

used as followed:

In HF from 40 to 10 m:
- The first Drake TR-7 + Yaesu FL-2100B 500w linear amplifier over Mosley PRO67C3 Antenna 6 band 40/10m on 40 feet tower.

In HF from 80 to 10 m:
- The second Drake TR-7 (or Icom IC-707) over Windom Antenna 7 band 80/10m homebred at 35 feet height.

In 6m SSB/CW:
- Yaesu FT-736R + VLA-150 150w Linear Amplifier over 6 elements 20 feet WiMo Yagi Antenna on 40 fett tower.

In 23cm SSB/CW
- Yaesu FT-736R over 67 elements 20 feet WiMo Yagi Antenna on 40 feet tower.

- 2m SSB/CW:
Yaesu FT-736R over 14 elements JBEAM Quagi Antenna on 40 feet tower.

In 2m & 70cm FM_
- Yaesu FT-736R over X-200A Diamond vertical GP dual band antenna at 25 feet height.

QRZCQ Awards

DXCC 50
ITU 30
CQ 20
IOTA 10

DX Code Of Conduct

dx code of conduct small logoI support the "DX Code Of Conduct" to help to work with each other and not each against the others on the bands.

Other images

second pic
IW4AJR / My shack

No other images yet

  

Rev. 2d9bf23568