Youtor
Efhw Transformer (updated 2024-12-11)
![HAM RADIO The 641 EFHW Transformer build 491 and 641 UnUn builds [upl. by Mathi775]](img.php?img=imgid8BGpXQIkoXg)
Duration: 20:31
33.5K views | 27 May 2022
33.5K views | 27 May 2022
![EFHW transformer revisited improved core material amp easier efficiency measurement [upl. by Nakre]](img.php?img=imgidliobaos7nhs)
Duration: 18:19
4.8K views | 24 Oct 2023
4.8K views | 24 Oct 2023
![EFHW Antenna Building The Transformer [upl. by Maidy]](img.php?img=imgidsty7RlXQoJI)
![EFHW ham radio HF antenna transformer tests build the best yourself save money build and learn [upl. by Esoranna825]](img.php?img=imgidE54yPI76VA0)
Duration: 15:12
16K views | 21 Aug 2023
16K views | 21 Aug 2023
![QRO EFHW Transformer Overview [upl. by Oettam292]](img.php?img=imgid1u8q-d11qtI)
![EFHW antenna tranformers core geometry matters [upl. by Vickey]](img.php?img=imgid-Wm27Jpcq7I)
![EFHW Transformer without capacitor alternative winding pattern [upl. by Nelson970]](img.php?img=imgidj-lIng7vPkk)
Duration: 9:31
20.6K views | 1 Aug 2022
20.6K views | 1 Aug 2022
![Antenna building 1 EFHW Antenna theory and practice of the broadband transformer [upl. by Acnaiv]](img.php?img=imgid2-4J8ECkoe4)
Duration: 21:41
12.4K views | 24 Jul 2022
12.4K views | 24 Jul 2022
![EFHW antenna transformer 52 mix core loss measurement [upl. by Vladimar267]](img.php?img=imgidpuhU4ZajL_E)
![EFHW Antenna Transformer Ratios Its too Easy [upl. by Arracat]](img.php?img=imgidtQs0Pv_RrrE)
![EFHW antenna transformers loss difference with different winding styles [upl. by Abell683]](img.php?img=imgid1urC7O_Kyf4)
Duration: 2:40
11.1K views | 26 Feb 2020
11.1K views | 26 Feb 2020
![EFHW antenna transformers bifilar vs tapped primary [upl. by Niletak]](img.php?img=imgidOn_n1fhp4sI)
![Remake of a 641 Unun transformer EFHW End feed Half wave 80m to 10m Antenna [upl. by Cleary31]](img.php?img=imgidphvXpHbb_60)
Duration: 11:12
56.8K views | 1 Jun 2020
56.8K views | 1 Jun 2020
![What EFHW Core and Winding to use for HIGH POWER [upl. by Cirtap]](img.php?img=imgidOCZgeY90OjU)
![EFHW EndFed HalfWave Antenna Kit Part One BUILD [upl. by Ricketts82]](img.php?img=imgid2Ee42DJAuBA)
![EFHW antenna low loss QRP core [upl. by Kowal]](img.php?img=imgidAjH1iesDWJI)
![344 ARRL 491 End Fed Halfwave UNUN transformer kit from HFKits Build and quick bench test [upl. by Latty519]](img.php?img=imgid7XUWOSy_CVE)
Duration: 8:10
67.3K views | 26 Dec 2021
67.3K views | 26 Dec 2021
![5 Band EFHW Antenna 80m10m 491 End Fed Half Wave [upl. by Aisila]](img.php?img=imgidsLteM18NnYc)
![Which end fed half wave transformer should you use for running high power hamradio antenna [upl. by Ballinger]](img.php?img=imgidrxq1mY-g_8o)
Duration: 12:05
15.3K views | 15 Jun 2023
15.3K views | 15 Jun 2023
![HAM RADIO Whats better a 641 or 491 Build and Test [upl. by Martens660]](img.php?img=imgidmCm00eCcZQI)
![End Fed Half Wave EFHW Transformer Is 215 in reality 214 Ham Radio [upl. by Atirehc]](img.php?img=imgidyhTrDZb7N4Q)
Duration: 7:35
34.7K views | 30 Jul 2022
34.7K views | 30 Jul 2022
![The 491 HalfWave EndFed Antenna Transformer Part 1 [upl. by Airalav832]](img.php?img=imgidMgZap6xWZLs)
![An efficient 4010m EFHW antenna for portable ops [upl. by Garlan]](img.php?img=imgid0s1kfxzLVXc)
![491 EFHW Antenna Broadband Transformer [upl. by Ragen]](img.php?img=imgidqpz34_Xsq4I)
![Some EFHW Configurations [upl. by Caro269]](img.php?img=imgidjcQxlYtYiDs)
![EFHW 491Transformer Construction and Deployment [upl. by Wehrle]](img.php?img=imgid1BBg6vRybCo)
![Explaining End Fed Half Wave Antennas amp Experimentation [upl. by Tabbitha]](img.php?img=imgidhdTXQ9W_VsQ)
![Why is it showing a Short Circuit 491 Transformer EFHW [upl. by Nwahsal612]](img.php?img=imgidmVlFHi2qpWo)
![Multiband EFHW Base Antenna with 491 UNUN Home Made [upl. by Dore277]](img.php?img=imgidz-_2aBqcjI8)
![EFHW Antenna Simulation Using MMANA GAL [upl. by Annawik828]](img.php?img=imgidYhWcCSiUoUo)
