Giovannini Elettromeccanica Antenna Systems - CQ magazine , June 2000 , L.B. Cebik W4RNL, D2T HF/VHF antenna review.. Over 1000 pieces sold in the professional sector. W4RNL review https://www.antenna.it/commercial/imagecommercial/Cebik-cq-june2000d2t ...
![Octagon fractal microstrip Yagi antenna with a combined DNG and DPS layer structure - Quzwain - 2017 - Microwave and Optical Technology Letters - Wiley Online Library Octagon fractal microstrip Yagi antenna with a combined DNG and DPS layer structure - Quzwain - 2017 - Microwave and Optical Technology Letters - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/c9ea29a4-eba7-45a6-b2cc-e6b868aa808b/mop30666-fig-0001-m.jpg)