engineers http://ripr.org en TheEC: New STL Dish at 88.1 - INSTALLED! http://ripr.org/post/theec-new-stl-dish-881-installed <p><u><strong style="line-height: 1.5;">UPDATE @ 1pm&nbsp;: 88.1FM is back at normal power!</strong></u> &nbsp;Pics are available on our Twitter feed <a href="https://twitter.com/RINPR/status/479266377044213760">here</a>, <a href="https://twitter.com/RINPR/status/479288601365053440">here</a>, <a href="https://twitter.com/RINPR/status/479292528861011968">here</a> and <a href="https://twitter.com/RINPR/status/479311467628343296">here</a>. &nbsp; <em>By the way, many of these pics were taken with a stock iPhone 5S using <a href="http://www.amazon.com/gp/product/B00AQUCPFC/ref=oh_details_o00_s00_i00?ie=UTF8&amp;psc=1">this telephoto lens attachment</a>. &nbsp;Pretty good for $45!</em></p><p>----------------------------------------------</p><p><strong style="line-height: 1.5;">On Wednesday June&nbsp;18th, beginning around 9:30 or&nbsp;10am</strong><span style="line-height: 1.5;">, 88.1FM will be running on the backup transmitter &amp; antenna for a few hours to install new equipment on the top of the tower. &nbsp; We must run on the lower-power backup for the health &amp; safety of our tower climber.</span></p><p>The backup operates using a one-bay vertically-polarized omnidirectional antenna and about one-tenth our normal power. &nbsp;&nbsp;</p><p><br /><b>THIS WILL NOT IMPACT OUR 91.5 OR 102.7FM SIGNALS, NOR OUR WEBCAST.</b></p><p><strong><a href="https://twitter.com/RINPR">Keep watching our Twitter feed for updates.</a></strong></p><p> Tue, 17 Jun 2014 23:25:47 +0000 Aaron Read 35356 at http://ripr.org TheEC: New STL Dish at 88.1 - INSTALLED! TheEC: 1290AM Heard in Norway http://ripr.org/post/theec-1290am-heard-norway <p>We've talked in the past about <a href="http://ripr.org/post/theec-skywave-propagation">skywave propagation</a>, but it's cool when you heard about real-world examples of it. &nbsp; Recently I've gotten several emails from "DX'ers" (Distant Reception enthusiasts) in Europe saying they've been able to hear <a href="http://www.lprri.org">Latino Public Radio</a> on 1290AM all the way across the Atlantic! &nbsp;&nbsp;</p> Thu, 21 Nov 2013 21:50:53 +0000 Aaron Read 25177 at http://ripr.org TheEC: 1290AM Heard in Norway TheEC: 91.5 is Back On the Air http://ripr.org/post/theec-915-back-air <p>As of Tuesday November 12th, WCVY is back on the air in limited fashion.&nbsp;&nbsp; As you know, WCVY <a href="http://ripr.org/post/why-wcvy-was-air-few-days">suffered catastrophic damage to its equipment and facility from a roof leak during a thunderstorm in August</a>.&nbsp;&nbsp; The entire space had to be gutted to the concrete walls, and new electrical wiring and drywall installed.&nbsp; Much of the transmitter gear either took direct water damage (e.g. electricity shorting out) or took indirect water damage (e.g. rust and other corrosion), and eventually a lot of it failed completely.</p><p></p><p>We have put a temporary setup in place with a donated 30 watt transmitter on loan (with the <a href="http://en.wikipedia.org/wiki/Antenna_gain">antenna array's gain</a> factor of 2.1, it's really more like <strong>63 watts</strong> of <a href="http://en.wikipedia.org/wiki/Effective_radiated_power#FM_example">Effective Radiated Power</a>), and a special radio that's tuned to 102.7FM (there's a high-gain FM antenna on the rooftop tower) and puts out the <a href="http://en.wikipedia.org/wiki/File:RDS_vs_DirectBand_FM-spectrum2.svg">composite signal</a> directly into the new transmitter.&nbsp;&nbsp; This effectively makes 91.5 into a "repeater" of 102.7FM.</p><p> Tue, 12 Nov 2013 18:43:01 +0000 Aaron Read 24695 at http://ripr.org TheEC: 91.5 is Back On the Air ARRRR - Pirate Broadcast on 102.9FM http://ripr.org/post/arrrr-pirate-broadcast-1029fm <p><strong>UPDATE 01/21:&nbsp;</strong>Multiple letters sent with no response, and the pirate's still broadcasting. &nbsp;A letter has been mailed to the FCC's Enforcement Bureau. &nbsp; If you are an RIPR listener to 102.7 and you have experienced interference due to this pirate, you can&nbsp;<a href="http://transition.fcc.gov/eb/bccomplaints/unlic.html">submit your own letter to the FCC</a> as well.</p><p></p><p><strong>UPDATE 12/19:&nbsp;</strong>The pirate has been found! &nbsp;Well, we're pretty sure we have found the pirate. &nbsp;Using a directional antenna and a signal meter, we triangulated the position to a house a few blocks from the <a href="http://www.findagrave.com/cgi-bin/fg.cgi?page=cr&amp;CRid=104470">Locust Grove Cemetery</a> in South Providence. &nbsp;</p><p><span style="line-height: 1.5;">A letter of notification of interference to RIPR was mailed to this address several weeks ago, but apparently this pirate doesn't care as there's still an illegal broadcast on 102.9 from this location.</span></p><p></p><p><strong>UPDATE 11/5:&nbsp;</strong>Thanks to a fellow engineer who informed me there is a <strong>pirate broadcasting on&nbsp;102.9FM</strong> and that is likely the source of the interference people have reported (see below). &nbsp;Quite possibly the atmospheric changes made it worse, but the bulk of the problem is likely the pirate.</p><p> Thu, 17 Oct 2013 16:39:04 +0000 Aaron Read 23358 at http://ripr.org ARRRR - Pirate Broadcast on 102.9FM TheEC: More Fiber in RIPR's Diet http://ripr.org/post/theec-more-fiber-riprs-diet <p>As all RIPR fans know, we are an <a href="http://www.npr.org">NPR member station</a>.&nbsp; That means we get a lot of our programming from NPR, the BBC, and other providers, via our <a href="http://www.prss.org">satellite dish</a>.&nbsp;&nbsp; The dish is medium-sized as dishes go, but it&rsquo;s pretty big in real terms: 3.7 meters (12ft) in diameter.&nbsp;&nbsp; There&rsquo;s quite literally nowhere to fit a dish that large at our studios in 1 Union Station, so instead it was installed out at our 1290AM transmitter site in North Providence (we still own 1290, but we lease it to <a href=" Tue, 15 Oct 2013 07:00:00 +0000 Aaron Read 23007 at http://ripr.org TheEC: More Fiber in RIPR's Diet