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CT1EXS Portugal flag Portugal

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Lookups:   11735 Ham Member

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MY CALLSIGN IN SWITZERLAND IS HB9IJB / Filipe.

 

 

SILENCE DO NOT DISTURB SLEEP. TANKS

QSL VIA BUREAU OR DIRECT MY ADRESS.

NO IRC COUPONS. TANKS YOU.

 

My STATION

RECEIVER KENWOOD R-2000 HF.

TRANSCEIVER ICOM-706 / HF/50Mhz/144Mhz, TRANSCEIVER HF KENWOOD TS-870, TRANSCEIVER IC-275H/VHF, TRANSCEIVER IC- 475E/UHF -- USING QRP POWER OF ONLY 100 Watts MAX. ( L' IMPORTANT C'EST L'ANTENNE, NON LES KW ) ( TANT VAUT L'ANTENNE, TANT VAUT LA STATION ) hi. UNE BONNE ANTENNE VAUT MIEUX QU' UN MAUVAIS AMPLFICATEUR LINEAR.

ALL KINDS OF ANTENNAS AND ACCESSORY ARE THE SUJECT OF GREATER IMPORTANCE IN COMMUNICATIONS . Type antenna is a priority.

FOR YOU WHO LIKES TO DX IS ADVISABLE THAT THE MOST EFFECTIVE INVESTIMENT YOU CAN MAKE IS THAT YOU USE THE ANTENNA, THE ANGLES OF LESS THAN 5/10/15 DEGREES ARE DESIRABLE FOR DX. THE SMALLER THE ANGLE OF RADIATION, THE GREATER THE DISTANCE THE SPRING.,

TRANSCEIVERS ALL MODE VHF ICOM-275 H, TRANSCEIVER ALL MODE UHF ICOM-475 E.

ANTENNE HALF-SQUARE project d'antenne à essayer . ( home made )

 

 

 

 

http://www.qsl.net/va3iul/Antenna/Wire%20Antennas%20for%20Ham%20Radio/64-Dual-Band_Sloper_Antenna.jpg

 

 

 

 

https://sites.google.com/site/wvfisher/hdoublebaydiagram.jpg

 

 

A DELTA LOOP é excelente para DX e teremos uma melhor relação sinal-ruído! Portanto, mais confortável.É uma antena monobanda, possui excelente relação sinal x ruído e ganho sobre a DIPOLO. Pode-se operar em várias faixas com o uso de um acoplador de antenas. Mas, ao usá-la desta maneira como se fosse uma antena multibanda, não espere o mesmo desempenho que é obtido na faixa da frequência de corte.
Para a radiaçãomáxima polarizado verticalmente, o feedpoint deve ser 1/4 de comprimento de onda a partir do vértice (quer apontada para cima ou para baixo).

 

Antenne Vertical Delta loop monobande pour 40 mètres ( home made ).

Antenne Vertical Delta Loop multi-bande pour 80 - 10 mètres (home made). It is has 84 meters of perimeter. The Delta Loop Antenna is Sloper 45º the vertex and 15 meters in height being fed on od the the vertices below and wire height is 1 meter from the ground.

Polarización horizontal figuras 1, 2. y 3, proporcionan ángulos altos de irradiación y son útiles para trabajo local o regional, son la configuración punta arriba/alimentación en punta, punta arriba/alimentación central, y punta abajo/alimentaci´n en punta. Estos proporcionan una polarización horizontal, lo cual puede ser útil para remover ruidos eléctricos de la recepción.

Polarización vertical alimentación como la figura 4, Esto le proporciona al loop una polarización vertical y un ángulo de irradiación bajo. Para colocar un loop en una torre, puede resultar útil la configuración de triángulo rectángulo, la cual es una distorsión de la configuración primera, y es alimentada también en una esquina.

 

( BLUE SKY IS NORMAL IN ALGARVE )

 

( BLUE SKY IS NORMAL IN ALGARVE )

 

YAGI 3 elements A3WS 12-17 M / Cushcraft.

ANTENNES VHF/UHF

Vertical X-50

YAGI 5 elements 50Mhz/VHF de chez TONA.

Mon QTH .

Située en LATITUDE 37º N / LONGITUDE -7º W .

My Grid Square / QTH Locator: IM67cb

GOOD Dx 73, Filipe.

ANTENNE BOBTAIL ET L'ANTENNE LAZY - H, deux antennes à experimenter prochainement. (home made ).

 

 

 

 

 

 

 

 

Plan de construction

ANTENNE POUR 10/15 et 20 mètres

 

 

Autres projects d'antennes YAGI ( home made ) mono bandes sont sur le terrain pour ce 2013 :

YAGI 4 elements 14MHZ / Gain 8.87dBi. Boom 9.828 mtres

L' antenne pour les 15Metres est une optimisation faite par ct1ffu avec EZNEC 4,

YAGI 5 elements 21MHZ / Gain 10.08 dBi / F/B 23.48 dB. Boom 10.80 mtres

YAGI 6 elements 28 MHZ / Gain 11.55 dBi. Boom 10.623 mtres.