Empire State Building

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Fun with Infrastructure

January 15, 2010 in Art, infrastructure, Photography, Places, Science, Technology, UCSB | 6 comments

Last month The Kid and I went to the top of the Empire State Building on the kind of day pilots describe as “severe clear.” I put some of the shots up here, and just added a bunch more here, to share with fellow broadcast engineering and infrastructure obsessives, some of whom might like to help identify some of the stuff I shot.

Most of these shots were made looking upward from the 86th floor deck, or outward from the 102nd floor. Most visitors only go to the 86th floor, where you can walk outside, and where the view is good enough. It costs an extra $15 per person to go up to the 102nd floor, which is small, but much less crowded. From there you can see but one item of broadcast interest, and it’s so close you could touch it if the windows opened. This is the old Alford master FM antenna system: 32 fat T-shaped things, sixteen above the windows and sixteen below, all angled at 45°.

From the 1960s to the 1980s (and maybe later, I’m not sure yet), these objects radiated the signals of nearly every FM station in New York. They’re still active, as backup antennas for quite a few stations. The new master antennas (there are three of them) occupy space in the tower above, which was vacated by VHF-TV antennas (channels 2-13) when TV stations gradually moved to the World Trade Center after it was completed in 1975.

When the twin towers went down on 9/11/2001, only Channel 2 (WCBS-TV) still had an auxiliary antenna on the Empire State Building. The top antenna on the ESB’s mast appears to be a Channel 2 antenna, still. In any case, it is no longer in use, or usable, since the FCC evicted VHF TV stations from their old frequencies as part of last year’s transition to digital transmission. Most of those stations now radiate on UHF channels. (All the stations continue to use their old channel numbers, even though few of them actually operate on those channels.) Two of those stations — WABC-TV and WPIX-TV — have construction permits to move back to their old channels (7 and 11, respectively).

That transition has resulted in a lot of new stuff coming onto the Empire State Building, a lot of old stuff going away, and a lot of relics still up there, waiting to come down or just left there because it’s too much trouble to bother right now. Or so I assume.

For some perspective, here is an archival photo of WQXR’s original transmitting antenna, atop the Chanin Building, with the Empire State Building in the background. The old antenna, not used in many years, is still up there. Meanwhile the Empire State building’s crown has morphed from a clean knob to a spire bristling with antennae.

Calling the Fat Tail

I think I’ve figured out a lot of what’s up there, and have made notes on some of the photos. But I might be wrong about some, or many. In any case, a lot of mysteries remain. That’s why I’m appealing to what I call the “fat tail” for help.

The “fat tail” is the part of the long tail that likes to write and edit Wikipedia entries. These are dedicated obsessives of the sort who, for example, compile lists of the tallest structures in the world, plus the many other lists and sub-lists linked to from that last item.

Tower freaks, I’m talking about. I’m one of them, but just a small potato compared to the great , who reports on a different tower site every week. Among the many sites he has visited, the Empire State Building has been featured twice:  January 2001 and November 2003. Maybe this volunteer effort will help Scott and his readers keep up with progress at the ESB.

This Flickr set, by the way, is not at my home pile, but rather at a new one created for a group of folks studying infrastructure at Harvard’s Berkman Center, where I’m a fellow. I should add that I am also studying the same topic (specifically the overlap between Internet and infrastructure) as a fellow with the Center for Information Technology and Society at UCSB.

Infrastructure is more of a subject than a field. I unpack that distinction a bit here. My old pal and fellow student of the topic, , visits the topic here.

Getting back to the Empire State Building, what’s most interesting to me about the infrastructure of broadcasting, at least here in the U.S., is that it is being gradually absorbed into the mobile data system, which is still captive to the mobile phone system, but won’t be forever. For New York’s FM stations, the old-fashioned way to get range is to put antennas in the highest possible places, and radiate signals sucking thousands of watts off the grid. The new-fashioned way is to put a stream on the Net. Right now I can’t get any of these stations in Boston on an FM radio. In fact, it’s a struggle even to get them anywhere beyond the visible horizons of the pictures I took on the empire State Building. But they come in just fine on my phone and my computer.

What “wins” in the long run? And what will we do with all these antennas atop the Empire State Building when it’s over? Turn the top into what King Kong climbed? Or what it was designed to be in the first place?

Infrastructure is plastic. It changes. It’s solid, yet replaceable. It needs to learn, to adapt. (Those are just a few of the lessons we’re picking up.)

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WQXR goes to WNYC, WBCN leaves FM dial

July 15, 2009 in Business, Future, infrastructure, music, radio, Sports | 23 comments

Heard this morning on WNYC that the New York Times has unloaded its remaining broadcasting asset, which consists of the channel and facilities of WQXR, which has been a classical music landmark for as long as it’s been around. (One way or another, since 1929. Wikipedia tells the long story well.) The story on WNYC’s website says WQXR will become “part of” WNYC. I assume that means it will become non-commercial.

According to Bloomberg, the deal goes like this:

  • “Univision will pay Times Co. $33.5 million to swap broadcasting licenses and shift its WCAA broadcast to 96.3 FM from 105.9 FM, which will become WQXR… WCAA will get 96.3 FM’s stronger signal.”
  • “WNYC will pay Times Co. $11.5 million for 105.9 FM’s license and equipment and the WQXR call letters.”

WQXR was for a long time an AM/FM operation. The AM was on 1560, with a 50,000 watt signal out of a four-tower facility in Maspeth, Queens. The FM was for many years atop the Chanin Building, where it still maintains an auxilliary antenna. I have shots of the old and new antennas here and here. In 2007 the Times Co. unloaded its AM station, then (and still) called WQEW, to Walt Disney Co. for $40 million. It’s now Radio Disney, a kids’ station.

Since the 60s WQXR has shared a master antenna atop the Empire State Building with most of New York’s other FMs. This was their status in 1967. Wikipedia has a good rundown of what’s up there today. Scott Fybush also has a comprehensive report from 2003.

An open question is whether WQXR will remain a beacon on the dial. While other signals on the Empire State Building master antennas run 5000 to 6000 watts, the one on 105.9 is just 610 watts. According to WQXR’s  Web site, the station and has an audience of nearly 800,000 weekly listeners. How many of those will lose the signal? Coverage maps from radio-locator.com for 96.3 and 105.9 are here and here.

For the fully obsessed, here is a current rundown of everything on FM hanging off the Empire State Building, or within 1km of it.

Meanwhile, says here WBCN in Boston, a progressive rock radio landmark, is also getting yanked. You’ll still hear it on the Web, or if you are among the appoximately five owners of an “HD” radio receiver and close enough to WBCN’s transmiter on Boston’s Prudential Building in the Back Bay. Meanwhile Boston will get more of the usual: talk sports and “Hot AC” music. (To me “Hot AC” always sounded like an climate control oxymoron, while “adult contemporary” sounded like a euphemism for pornographic furniture.)

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