Danish Amateur Radio Station

News & Comments

Latest new DXCC


OZ9XU

3D2/R - ROTUMA ISL.

March 12, 2018

5P5Q

J5 - GUINEA-BISSAU

November 26, 2017

OV5O

SV2ASP/A - MT. ATHOS

October 12, 2018


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Rigs & Antennas

 

PREFACE

I try to keep my rig and antenna on a fairly simple level.

So no expensive towers, amplifiers or fancy antennas, just 100 Watt and simple wire- or vertical antennas.

In my opinion, there is no sport to use more power than necessary and more power also creates more QRM and more CO2 in the atmosphere.
It is OK to use 1 kW, but not constantly and it is not needed when condx are good.

My home don’t have to look like something any coast radio station would be envious about, so my antennas are simple and almost invisible, good for my neighbors, good for the environment and good for my wallet.

 

“Antennas should be heard, not seen”

 

With my modest rig and antennas, can I make the same as if I had 1 kW linear and large expensive antennas, I just need to fight a little more for it.
But that is what is exciting and challenging to get a DX, maybe even a new DXCC, in the log.

I have always worked my stations barefooted. I have never owned or used a linear, when it comes to ham radio and I have no intention to do so.

All my stations, except the first (QRP/5 Watt), has/had an output power of apx. 100 Watt. 

 


 

The Shack

The Shack

The shack setup. As you can see it’s very simple.

The computer is for logging only as well as lookups in QRZ.COM a. o. The computer will never be a part of the radiocommunication whatsoever.

The shown microphone is a Kenwood MC-50, but rarely used. My favorite mode is CW. On the table you can my favorites Bencher BY-4 and Kent Twin paddles TP1-B.

Soldering iron and screwdriver?
My workbench is in the opposite corner of the shack and is really not worth taking photographs off yet 🙂

CW on a PC? Never, I want to have fun.

 


Elecraft K3/P3

Elecraft K3/P3
Transceiver/Panadapter

This is my main station.

It’s equipted with ATU, Sub-receiver and 100 Watt output. 

The P3, Panadapter, which gives me an excelent wiew over the band I’m working on.

The radio has 11 bands, 6 m through 160 m. The optional 2 m module is not implemented in my radio.

PSU: Diamond GSV-3000, 30A at 13.8VDC (Not shown).

For the moment my K3 are at service, so I use my spare radio, a Yaesu FT-450D and MFJ-993B tuner.

 


 RACAL_RA17L

Racal RA17L

Vintage tube communication receiver.

Freq. range: 0.5 through 30 MHz.

 


Inverted L antenna

Inverted L antenna

Ground Plane antenna

Ground Plane antenna

Inverted L antenna.

9 meter high glassfibre telescope mast (wire inside) and abt. 23 meters horisontal wire. The horisontal wire slope a bit towards the end.

With a coil installed at the feedpoint I can also work on 160 m band. For the moment I have to switch the coil manually on and off. Plan to do that remote with relays when weather get warmer.

With my ATU, I can set SWR to 1: 1.0 on all HF bands, incl. 160 m, but I will mainly use it for 40 – 160m bands.

The antenna is still on the experimental stage.

 

 

 

Ground Plane.

Feedpoint on rooftop (chimney) up abt. 9 meters (17 meters ASL).

The antenna are mainly used for 10 – 30m bands.

The antenna is made of an old Hy-Gain 18AV vertical with the coil removed. For the moment I tune the antenna with my station ATU, but planned to install a remote ATU at the feedpoint.

 


Kent Twin Paddle TP1-B and Bencher BY-4.

Kent Twin Paddle TP1-B
Bencher BY-4.

Both very heavy and solid build, perfect for my stiff fingers (hi).

My first choices of paddles.

 

 

Vibroplex Original, Vibrokeyer and Vibroplex Square Racer iambic paddles

Vibroplex Original

Including round vario arm.

Vibrokeyer

Works perfect.

Vibroplex Square Racer,
Iambic paddles.

Magnetic tension, easy to ajust and use.


 DSC01087

CWtouchkeyer, P1PAD
Iambic paddle.

No moving parts or contacts, you just have to touch the paddles.

You have to pratice a lot, not easy to use. It CAN be very sensitive to HF on some bands, but else nice to use.

Is available in many configurations, with and without internal keyer Electronics. My model have only the paddle Electronics and I use the internal keyer in the K3 transceiver.


Previously used stations.

1973-1974:
Ten-Tec PM2B QRP transceiver, 2 Watt, modified to 5 Watt output.

1974-1977:
Yaesu FT-200 transceiver, 100 Watt output.

1977-2011:
Atlas 210x transceiver, 100 Watt output.

2011:
Yaesu FT-101ZD transceiver, apx. 120 Watt output.

2011-2013:
Yaesu FT-840 transceiver, 100 Watt output.