Antenna - De website van PA3EGH

Radio, telegraphy, morse keys, etc.

Antenna etc

Click on the picture for enlarge and info.

80 / 40 meter dipole antenna. Total 24 meter long. 10.50 meters of wire than the coil and another piece of 1.5 meters. 120 uH coil 140 windings on 32 mm diameter pvc pipe

Trap dipole 80 and 40 meters. Antenna 10 meters above ground level.

1.1 Voltage air balun Nr1.

Voltage air balun Nr2. met test raport.

1.1 Voltage air balun Nr1. Tested with 100 watts. After that measured with antenna analyzer.

1.3 mm diameter draad gewikkeld met 10 windingen op 20 mm diameter pvc pijp.

End Fed Half Wave Antenna coupler.

2 Meter antenna meting, lichtmis Meppel.

2 meter 6 elementen LFA antenne. 9.8 dbd gain, antenne meting Meppel.

6 elementen LFA antenne. 9.8 dbd antenne meting Meppel

Trap dipole. 4 en 6 meter

Trap dipole 4 and 6 meters. The piece of coax has been replaced by a ceramic capacitor of 15 pF 1000 V

Trap dipole 4 and 6 meters. The piece of coax has been replaced by a ceramic capacitor of 15 pF 1000 V

J antenne voor 145 MHz Gemaakt van 12 mm koper pijp

J antenne voor 145 MHz Gemaakt van 12 mm koper pijp

J-Antenna Schema. 300 Ohm lintlijn

J antenna for 2 and 6 meters Made of 300 Ohm ribbon line. Easy to roll up and take with you.

J antenna for 2 and 6 meters Made of 300 Ohm ribbon line. Easy to roll up and take with you.

The Zeppelin antenna. For this type of antenna, patent was applied for in Germany in 1909. Patent No. 225204

Squalo 2 en 6 Meter antenna Made with 12 mm copper pipe

Squalo 6 Meter antenna. Made with 12 mm copper pipe.

Squalo schema 6 Meter

The parts for the 2 meter Squalo. Made with 12 mm copper pipe. 6 x 11.5 cm pipe. 2 x 21.5 cm pipe. 1 x 2 cm pipe. 8 x knee. 4 x copper saddles.

Squalo schema 2 Meter antenna

Squalo 2 meter antenna made with 2.5 mm installation wire. Still with clamps to test

Moxon antenna in development.

Moxon antenna. Made with 6 mm copper wire.

Moxon - 2 meter schema. URL www.moxonantennaproject.comindex.html

475 kHz Antenna. 15M high.

Wrapped on 31 cm pipe. Vario meter700 to 950 uH. Made for 475 kHz Antenna.

Wrapped on 31 cm pipe. Vario meter700 to 950 uH. Made for 475 kHz Antenna.

Wrapped on 31 cm pipe. Vario meter700 to 950 uH. Made for 475 kHz Antenna.

HB9CV voor 2 meter. Made for fox hunting and holidays.

HB9CV voor 2 meter. 145.00 MHz

HB9CV calculate for all frequency.

Dipool at home. 2 x 17 meter 14,50 meter hoog. With home made 600 ohm ladder line.

Making the open wire feedline with Rob pa3eqb.

Spacers 8.5 cm. for the home made of the 600 ohm ladder line.

Please note: the images on these sites show my own Morse keys and devices.

They may only be used for private purposes with reference to my site. (Source reference)