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BM0QRP Taiwan flag Taiwan

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Page managed by BV3FG Lookups: 2794


BM0QRP is a special callsign dedicating to QRP operation and to honor your good ear.

QTH information:
Hsinchu City (in BV3 area), CQ Zone: 24, ITU Zone:44, IOTA: AS-020, Grid: PL04lt

Operator: BV3FG

QSL information: via BV3FG (direct or via bureau) (P.O. Box 359, Hsinchu, Taiwan, R.O.C.)

Operation Period

1998,11,28 ~ 1998,12,27
2013,03,01 ~ 2013,09,15 ( On going, CW mainly, see you on the band )



Detail of Operation

1998,11,28 ~ 1998,12,27

Participated CQWW CW DX Contest.
Set the new record of Single OP All Band QRP/p Category in Zone 24.

Contest Result: 484,330 points, 1260 QSO, 83 Zone, 155 DXCC entities

3 elements tri-bander Yagi for 14/21/28 MHz
80m long horizontal square loop with antenna tuner for all bands
Both antennas was located on a 40 meters high building

All the QSL cards has been sent in 1999 already. If you have not gotten the QSL card yet and still need it, please e-mail BV3FG for further confirmation.


2013,03,01 ~ 2013,09,15

Antenna Setup:

2 sets of tuned doublet. (dipole + balanced feeder + ANT tuner)
One is horizontal, another is vertical.
Both antennas are 6 meters above the roof of a 5 stories building in urban area.

Horizontal Doublet: Each half (about 17m long) has a horizontal wire and a wire slanted to a corner of the building. I use it on 3.5, 7, 14, 21MHz.

Vertical Doublet: Each half is about 7.5m long. The upper part is a wire attached on fishing rod. The lower part is slant to NWW direction. The vertical doublet works great for bands above 10MHz.

The feeder is 14AWG wire spaced 5cm by bamboo toothpick. The reasons why I do not use 450ohm window line are:
1. 450ohm window line is not available in Taiwan.
2. My QTH is very windy. Several typhoons per year and constantly strong wind in winter. The wind resistance of window line will be a problem.
It's time consuming but worth job to handle the feeder. Once done, it withstands for years.

Please refer the diagram below for my antenna setup.

Diagram of Antenna Setup

Transmitted Power:

My power is 3 watts most of the time because this is the minimum power of my ICOM-736.
During the contest period, the power is 5 watts.
If the propagation is good enough, I will try QRPp by providing proper level of negative DC voltage to the ALC port of ICOM-736. The voltage is preset by switch and potentiometer to produce 1w, 500mW, 100mW and 50mW.

QSO Result (until 2013,06,17):

About 1400 QSO, 70 DXCC entities.
Heard a lot rare DX but failed to break through the pile-up most of the time.

6369000 Last modified: 2015-07-16 00:32:24, 6443 bytes

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