Corrections
and Follow-ups Corrections
and Follow-ups
The website for the SQ software (p. 358) is now www.marsport.org.uk/sq/ from where version 2.3 can be downloaded.
Here are some Technik V corrections, and some links to follow-up information.
Table 1 on page 52 for the BV6-1wl yagi is incorrect. The correct table appears below.
| Element | Position (mm) | Boom diameter (mm) | Element Length (mm) |
| R | 0 | 30 | 2966 |
| DE | 922 | 30 | 2850 |
| D1 | 1232 | 30 | 2734 |
| D2 | 2411 | 30 | 2734 |
| D3 | 4329 | 30 | 2702 |
| D4 | 5850 | 30 | 2670 |
The table on page 58 for the BVO-2wl (8 El.) yagi is incorrect. The correct table appears below.
| Element | Position mm | Free Space length mm |
Length in mm for 25mm Boom |
| R | 0 | 1013 | 1016 |
| DE | 327 | 956 | 956 |
| D1 | 534 | 949 | 952 |
| D2 | 1073 | 934 | 937 |
| D3 | 1828 | 917 | 920 |
| D4 | 2687 | 908 | 911 |
| D5 | 3540 | 903 | 906 |
| D6 | 4245 | 914 | 917 |
This info appears on page 98 of issue 4/98 and 1/99 and p 92 of 2/99
The D30 director is missing from the BVO70-11wl 70 cm design table on page 82 :
The last line of the table should be: D30 7540mm 269mm 276mm
The links below on articles in Technik V appear courtesy of Ian, GM3SEK:
Make more 432 MHz EME Contacts by Polarization Rotation
A G/T Study of 2m Yagi Antennas
DUBUS home page
updated 12 August 2006