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<blockquote data-quote="2cvbloke" data-source="post: 869339" data-attributes="member: 199791"><p>I'd bet real money that they perform worse than proper polarised dipoles, as that half-swostika thing is probably picking up loads of rubbish that the user doesn't want, but they bought it anyway cos they actually believed the description of them being a universal aerial for FM or DAB, bit like how people buy wideband high-gain TV aerials from argos to pick up a transmitter 2 miles away like they do round here... <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite13" alt=":-rofl2" title="roll on floor :-rofl2" loading="lazy" data-shortname=":-rofl2" /></p><p></p><p>They're probably picking up a tiny fraction of what a straight dipole in the same place would be, as half of the antenna is in the wrong polarity, so if you're after vertical signals, then only the outer tips are picking a little bit of it up, and for horizontal, again, a tiny bit is picked up, and if there's a radio station on one polarisation, and another on the opposite polarisation (such as a pirate radio station, seeing as they're common in that there london), then you're going to get a lot of problems with discriminating between the two... <img src="https://www.satellites.co.uk/styles/default/xenforo/smilies/smile.png" class="smilie" loading="lazy" alt=":)" title="Smile :)" data-shortname=":)" /></p><p></p><p>And just cos there's lots of them doesn't mean they're any good, there's loads of $ky minidishes on the sides of houses, and they're crap in slightly wet weather... <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick Out Tongue :p" loading="lazy" data-shortname=":p" /></p></blockquote><p></p>
[QUOTE="2cvbloke, post: 869339, member: 199791"] I'd bet real money that they perform worse than proper polarised dipoles, as that half-swostika thing is probably picking up loads of rubbish that the user doesn't want, but they bought it anyway cos they actually believed the description of them being a universal aerial for FM or DAB, bit like how people buy wideband high-gain TV aerials from argos to pick up a transmitter 2 miles away like they do round here... :-rofl2 They're probably picking up a tiny fraction of what a straight dipole in the same place would be, as half of the antenna is in the wrong polarity, so if you're after vertical signals, then only the outer tips are picking a little bit of it up, and for horizontal, again, a tiny bit is picked up, and if there's a radio station on one polarisation, and another on the opposite polarisation (such as a pirate radio station, seeing as they're common in that there london), then you're going to get a lot of problems with discriminating between the two... :) And just cos there's lots of them doesn't mean they're any good, there's loads of $ky minidishes on the sides of houses, and they're crap in slightly wet weather... :p [/QUOTE]
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