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Antennas > Antenna Topics

JA1OYY

Morio Arai
449 Tokuriki, Iwatuki-Ku
Saitama City
Saitama 339-0004, JAPAN

email : ja1oyy

I meet Mori san first time in 10 m. on ssb qso QSO dated 12apr1989, when later many qso's were made in most all bands 12/15/17/20/40 m., he his an old timer, very experienced ssb cw operator, is always a pleasure making qso with such kind person, here down some pictures of Mori's antenna farm and is grand-daughters, 73' see you again down the log. 8Aug2006 Mori san email me new pictures of his new Antennas set up as follow : Antenna 1 : 7Mhz 5A SP, 10Mhz 5A SP, 14Mhz 4ELCQ, 18Mhz 4ELCQ, 24MHZ 4ELCQ, Antenna 2 : 21Mhz 7el. Yagi, 28Mhz 8el. Yagi, 24Mhz 5el. Yagi, 1.8/1.9Mhz Inverted Dipole


Here some pictures about Mori san JA1OYY.

Here pictures of Antennas built over the Years by JA1OYY Mori san.

 

Here down a list of all Antenna owned by Mori san from Year 1964 to 2006

File

Year

Mhz

Type Yagi CQ/5A

#1 - #2 - #3 Tower

Boom Lenght

Match

Other Info

3

1965

21

2el. mini CQ

#1 - 7 m. high

2m.

direct

70% minicq coils, Hand Rotator

4

1967

21

5el. yagi

#1 - 7m. high

7m.

Y match

Hand Rotators

5

1969

21

6el. yagi

#2 - 20m. high

11.

Y match

Long Boom is Good DX !

6

1977

7

2el. delta loop

#2 - 30m. high

5.5m.

Direct

Delta Loop Good DX !

7

1978

21

9el. yagi

#2 - 27m. high

23m.

T match

Good Gain & DX Sharp F/S

8

28

4el. yagi

#2 - 29m. high

6m.

Y match

Pile Up Type

9

1979

21

10el. yagi

#2 - 27m. high

26m.

T match

Good gain but Long Boom Rotator Break

10

1980

144

6el. CQ

#1 - 7m. high

3m.

Direct

6 CQ Experimental Antenna

11

1980

14/21/28

6el. CQ

#2 - 27m. high

14m.

Y match

14-6el. & 21/28- 7el. Type but Head very Heavy

12

1985

21

5el. yagi

#1 - 20m. high

6.5m.

Direct      

Usual Antenna Good

13

7

2el. CQ

#2 - 25m. high

6m.

Direct

Good DX

14

3.5

2el.

#2 - 25m. high

9m.

Hairpin Match

70% mini 2el.CQ Capacity Type but low Tower

15

1987

21

5el. yagi

#1 - 20m. high

6.5 m.

Hairpin Match

Usual Antenna Good

16

7

3el. yagi

#2 - 25m. high

15m.

Hairpin Match

Multi band coil type, but no Gain

17

14

4el. yagi

#2 - 25m. high

15m.

Hairpin Match

Multi band & Good DX

18

28

5el. yagi

#2 - 27m. high

5.5

Hairpin Match

Pile up type Good DX

19

1988

7

3el. yagi

#2 - 25m. high

15m.

Hairpin Match

Good DX antenna

20

14/21

5el. yagi

#2 - 25m. high

15m.

Hairpin Match

Multi band & Good DX

21

18/24

3el. 4el. yagi

#2 - 28m. high

6m.

Hairpin Match

Pile Up Type

22

1988

144

2el. CQ + 5el. yagi

#1 - 17m. high

4m.

Direct

2 CQ + Yagi Experimental Antenna

23

1989

7

4el. yagi

#2 - 25m. high

19m.

Hairpin Match

Good DX Antenna

24

28

5el. yagi

#2 - 28m. high

7m.

Hairpin Match

Pile Up Type

25

1990

14

2el. CQ + 4el. yagi

#2 - 25m. high

23m.

Hairpin Match

Director is cross Yagi but no boom balance

26

21

2el. CQ + 8el. yagi

#2 - 25m. high

23m.

Hairpin Match

Director is cross Yagi but no Boom Balance

27

1991

14

2el. CQ + 3el. yagi

#2 - 25m. high

18m.

Hairpin Match

Good  Multi & Gain but no Boom Balance

28

21

2el. CQ + 4el. yagi

#2 - 25m. high

18m.

Hairpin Match

Good  Multi & Gain but no Boom Balance

29

28

2el. CQ + 4el. yagi

#2 - 25m. high

18m.

Hairpin Match

Good  Multi & Gain but no Boom Balance

30

1992

7

4el. wire yagi

#2 - 25m. high

18m.

Hairpin Match

Good Gain

31

1993

7

2el. CQ + 1el. yagi

#2 - 25m. high

13m.

Hairpin Match

Good Gain but no Boom Balance

32

1993

14/21

2el. CQ + 4el. yagi

#2 - 25m. high

13m.

Hairpin Match

Good Gain but no Boom Balance

33

1994

3.5

3el. wire yagi

#2 - 25m. high

13m.

Hairpin Match

70% Capacity Type but Low Tower

34

7

3el. wire yagi

#2 - 25m. high

13m.

Hairpin Match

Good DX Antenna

35

1994

14

5el. yagi

#3 - 24m. high

13m.

Capacity Match

Good DX Antenna

36

1995

14

6el. yagi

#3 - 24m. high

16m.

Capacity Match

Long Boom is a Good DX Antenna

37

1999

14

2el. CQ + 4el. yagi

#2 - 25m. high

18m.

Direct

DX Good no Boom Balance

38

2000

3.5

2el. CQ

#2 - 24m. high

16m.

Direct

70%Capacity Type but Low Tower

39

7

3el. yagi

#2 - 24m. high

12m.

Hairpin Match

Good DX

40

2001

7

2el. 5A Special

#2 - 26m. high

10m.

Hairpin Match

Multi Band Good

41

10

2el. 5A Special

#2 - 26m. high

10m.

Hairpin Match

Multi Band Good

42

14

3el. CQ

#2 - 26m. high

10m.

Hairpin Match

Multi Band Good but no Gain

43

18

3el. CQ

#2 - 26m. high

10m.

Hairpin Match

Multi Band Good but no Gain

44

2003

21/28

7el. / 8el. yagi

#3 - 24m. high

13m.

Hairpin Match

Good DX

45

50

6el. yagi

#3 - 24m. high

6m.

Hairpin Match

Local QSO

46

24

5el. yagi

#3 - 24m. high

8m.

Hairpin Match

Good DX

47

2004

7/10

3el. wire yagi

#2 - 22m. high

14m.

Hairpin Match

Good DX

48

14

5el. wire yagi

#2 - 26m. high

16m.

Hairpin Match

DX & Multi Band Good but Long Boom

49

18

6el. wire yagi

#2 - 22m. high

19m.

Hairpin Match

DX & Band Good but Long Boom

50

2005

50

10el. yagi

#2 - 24m. high

16m.

T Match

DX & Multi Band Good but Long Boom

51

7

2el. 5A Special

#2 - 24m. high

6m.

Direct

Good DX

52

10

2el. 5A Special

#2 - 23m. high

5m.

Direct

Good DX

53

2006

50

4el. Delta Loop

#2 - 23m. high

4m.

Direct

Delta Loop Type

54

7/10

3el. wire yagi

#2 - 23m. high

12m.

Direct

DX Good but Long Boom

55

14

5el. wire yagi

#2 - 24m. high

15m.

Hairpin Match

DX & Multi Band Good but Long Boom

56

18

6el. wire yagi

#2 - 22m. high

18m.

Hairpin Match

DX & Multi Band Good but Long Boom

57

2006

7/10

2el. 5A Special

#2 - 30m. high

8m.

Hairpin Match

DX & Multi Band Good but top Heavy

58

14/18/24

4el. CQ

#2 - 24m. high

8m.

Hairpin Match

DX & Multi Band Good but top Heavy

59

50

7el. cross yagi

#2 - 24m. high

9m.

Y Match

DX & Multi Band Good but top Heavy

 
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