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Small Sized Helical Antennas

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ANTENTOP- 01- 2009, # 011

Small Sized Helical Antennas

 

 

Table 2 shows data at testing the Helical Antenna compare to a Traveling-Wave Antenna.

 

 

 

Note I.G.: At the article there is not explained what the Traveling-Wave Antenna is.

At the article there is not explained what a Helical Antenna and at which band was tested.

 

 

 

Figure 3

B. DD of the Vertical Small Sized Helical Antenna on a square rod

 

Table 1

 

 

 

Numbers of turns for band:

 

20- m

40- m

80- m

160- m

 

Antenna from Fig. 1

 

90

 

180

 

360

 

720

 

Antenna from Fig. 2

 

90

 

180

 

360

 

720

 

Antenna from Fig. 3

 

200

 

400

 

800

 

1600

 

Note: For antenna Fig.2 the Data given for one part of the dipole

  

 

Table 2

 

Date

Time, msk

City,

Callsign

RST

Of the correspondent

 

RST for UA0RW when is used:

Traveling-Wave Antenna

 

Helical Antenna

22-V-1957

16-45

Sarapul, UA4WA

579

579

579

25-V-1957

16-00

Khabarovsk,

UA0CJ

589

579

599

25-V-1957

18-30

Leningrad,

UA1KAS

579

579

589

25-V-1957

21-15

Kaliningrad,

UA2KAA

579

579

579

26-V-1957

14-00

Irkutsk,

UA0SL

5(6/7)9

579

5(8/9)9

26-V-1957

14-45

Stalinabad,

UJ8KAA

559

449

559

26-V-1957

16-00

579 Penza,

UA4FC

579

569

579

 

 

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