tag:blogger.com,1999:blog-1592992209402300549.post626404260883124448..comments2024-03-28T08:06:43.198-04:00Comments on The Silicon Graybeard: The Aereo DecisionSiGraybeardhttp://www.blogger.com/profile/00280583031339062059noreply@blogger.comBlogger7125tag:blogger.com,1999:blog-1592992209402300549.post-37791371935082634652014-07-02T21:46:58.091-04:002014-07-02T21:46:58.091-04:00As Mr. Scott would say "You CANNY violate the...As Mr. Scott would say "You CANNY violate the laws of Physics!".<br /><br />I call pure BS on this one......drjimhttps://www.blogger.com/profile/05647484115197408897noreply@blogger.comtag:blogger.com,1999:blog-1592992209402300549.post-12706394521754529712014-06-29T10:52:50.326-04:002014-06-29T10:52:50.326-04:00GB!
Didn't know you still came around.
So ...GB!<br /><br />Didn't know you still came around. <br /><br />So you think it's a voltage probe that will work if they're within spitting distance of the transmitters they want? (or within a class F rifle shot...)<br /><br />This is beginning to sound like what one of my early mentors called a "circus trick" - you can make it work in certain special circumstances. Next question: are they really taking signals off the air or are they getting (better SNR) signals in some other way and using the antennas as a cover story? <br /><br />SiGraybeardhttps://www.blogger.com/profile/00280583031339062059noreply@blogger.comtag:blogger.com,1999:blog-1592992209402300549.post-30701082023918087092014-06-29T01:36:38.514-04:002014-06-29T01:36:38.514-04:00Not necessarily very bad relative to a dipole. Th...Not necessarily very bad relative to a dipole. The antenna structure looks like an active antenna probe. This could have worked , especially in an area with high field strength. But, it is not a passive antenna. <br /><br />73,<br />III<br />gb (old friend to elephant happy snout)Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-1592992209402300549.post-90250252404378530842014-06-28T15:55:20.583-04:002014-06-28T15:55:20.583-04:00Borepatch - it was my toughest class, too. Pretty...Borepatch - it was my toughest class, too. Pretty good odds it's everybody's toughest class. I had been looking forward to it, but over half the class spent doing Div, Grad, Curl and all that before the word "electron" even came up...<br /><br />Anon 1359, it appears another way to say what you said is "the antennas sucked really bad, but if they put them in a strong enough field, they could work". I wasn't clear on it, but that summary applies to everything from a random piece of wire to a wet piece of spaghetti. It's not much of an endorsement. Lojack's problems, as I understand it, are nowhere near as difficult as what Aereo is trying to pull off. Lojack puts out short transmissions on one channel. (<a href="http://www.freqofnature.com/index.php?m=Common&p=LoJack" rel="nofollow">Source</a>. Anyone can make a reasonably effective antenna for that. <br /><br />The only meaningful way to evaluate an antenna is by comparison to standards whose performance is known. The most common is a halfwave dipole. I'm still confident their antennas would come up "many dB" worst than reference dipoles. <br /><br />SiGraybeardhttps://www.blogger.com/profile/00280583031339062059noreply@blogger.comtag:blogger.com,1999:blog-1592992209402300549.post-24752601609665787832014-06-28T13:59:49.671-04:002014-06-28T13:59:49.671-04:00Appreciate what you're saying but you don'...Appreciate what you're saying but you don't have all the facts. I have a few RF pals that work there. They sited within ~3mi of the broadcast towers so signal strength was close to peak. Aereo wasn't active in markets with Low-V or Hi-V. They generally avoided markets with complicated RF patterns. They installed in Chicago and ran into trouble with multi-path. I genuinely believe they were doing what they say they were doing. They just were very careful with the sites they selected. Before you go to far off the ledge you should also know that most of the RF team came from Lojack and they know a thing or two about smaller antenna designs.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-1592992209402300549.post-34635694569789063062014-06-28T10:33:23.447-04:002014-06-28T10:33:23.447-04:00Toughest EE class I had was fields and waves. Ant...Toughest EE class I had was fields and waves. Antenna theory is black magic to me.Borepatchhttps://www.blogger.com/profile/05029434172945099693noreply@blogger.comtag:blogger.com,1999:blog-1592992209402300549.post-77322996560174847612014-06-28T08:14:00.197-04:002014-06-28T08:14:00.197-04:00(My frequent advice to newbies: I don't care w...(My frequent advice to newbies: I don't care who you think is the toughest or strictest teacher you've ever had, Maxwell is a <b>demon</b> compared to the worst you've ever had)<br /><br />FTFY. ;-)AuricTechhttp://aurictech.wordpress.comnoreply@blogger.com