Antenna "Slim Jim" proposed G2BCX for the range of 144 or 430 MHz, has a gain of about 3 dB compared to a half wave dipole. Antenna power is 75 or 50 Ohm coaxial cable.

Antenna Slim Jim

The dimensions of the antenna elements for the range of 145 and 432 MHz are shown in the table:

Table 1

Range [MHz]

145

432

A [mm]

985+5

323 ±2

B [mm]

25 ±5

19 ±2

C [mm]

1168 ± 5

390 ±2

D [mm]

469

175

Literature

  • VHF/UKW Kollinear-Antenne "Slim Jim" nach G2BCX, ubersetzt nach Radiotechnika 37 (1987), H. 8, S. 395
  • Author: W. FAULHABER, Translated from German by N. Bolshakova, RA3TOX; Publication: N. Bolshakov, rf.atnn.ru

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