WBOQ-FM 104.9 Application

[WNTIRadio]

Remember that with a class D, you can do ratios. As long as the 2nd adjacent isn't 40dB higher, meaning that 106.1 can't be 40dB higher than 105.7. Put the antenna up high enough, or use an antenna with minimal downward radiation, and that can easily be done because the signal level is so high from the Pru. If the campus is getting 100dBu of signal, then the interfering signal would have to be 140dBu. That's how the 106.3 translator in NYC got it's CP. The only downside to that scenario was that 106.3 at the NJ shore complained and got it shut down. But the interference was limited to the roof of 4 Times Square due to the ratios.

my phone got 5 channels of Soca on Northeastern campus. same one that couldnt get any station way out at Speeds' (Newmarket Sqr) with its visual on the pru. a single building ought to do wrt cuttin down Pru to reasonable levels. at least a nice metal-clad one

What? Is this supposed to be in English?

 

[wcozBoston]

Could WRBB move to 89.3MHz? How much power could be a station run on that frequency in Boston and what would be the maximum height of the antenna?

If WRBB were moved to another frequency, what could their signal footprint be, e.g. what is the furthest south their transmitter could be located and how much power could be used? Would they achieve more energy into downtown Boston if they used a directional antenna? If WOCN in Orleans is an issue, could WOCN use a DA with nulls towards the northwest and a lower output power that would allow more energy from 104.9 to go towards the south? Much of 104.7's signal is really over water, so using a DA to direct it down over lower Cape Cod while providing nulls could allow WBOQ to prove a stronger signal to the south.

 

[aaronread]

Remember that with a class D, you can do ratios.

Could WRBB move to 89.3MHz? How much power could be a station run on that frequency in Boston and what would be the maximum height of the antenna?

In both cases, you'd still need the written permission of the interfered-with stations. 105.7 and 106.7 might...might...give it for WRBB to move to 106.1, but I seriously doubt WERS and WGBH would give it for 89.3. Why should they? Besides, ever since both WERS and WGBH added HD Radio, and since WUMD moved to 89.3, that channel stopped being all that ideal for small-power broadcasters anyways.

 

[mgpt6]

89.3 has a Brockton Pirate in between WUMD and Boston.

 

[WNTIRadio]

I don't see why 106.7 and 105.7 would bust balls over Northeastern moving to 106.1. Strangely, Touch 106 has proven that there is minimal, if any, interference. And they are running around 100 watts, with God knows what as a transmitter.

10 watts on 106.1 with a 3 bay half wave spaced and the interference to the class B's doesn't even touch the ground.

 

[jlehmann]

89.3 has a Brockton Pirate in between WUMD and Boston.

89.3 Planet Compas is a 3 transmitter co-channel simulcast: Brockton, Randolph (the original one) and Mattapan/Dorchester. There was also one in Malden for a short time.

 

[MickeyD]

Does WBOQ have to protect co-channel WLKZ Wolfeboro NH? WBOQ is older...does that matter?

Here is the engineering study for WBOQ's relocation. There are actually a few short-spacings.
https://licensing.fcc.gov/cdbs/CDBS...?appn=101478002&qnum=5330&copynum=1&exhcnum=1

 

[DanStrassberg]

Here is the engineering study for WBOQ's relocation. There are actually a few short-spacings.
https://licensing.fcc.gov/cdbs/CDBS...?appn=101478002&qnum=5330&copynum=1&exhcnum=1

Thanks for the link to the application documentation. DL&R usually does a first-rate job and this one is no exception. I've read more AM apps than FM. Perhaps FM apps in general are more readable than AM apps. Can't say, but this one certainly is readable, which makes it more interesting and useful than most links to apps for broadcast-station technical upgrades. The one thing that I was looking for but did not find was a tabulation of the increase in population within the 60 dBu contour. If granted and built, this upgrade would certainly result in a sizeable increase in the land area within the 60 dBu contour (result of moving inland). Since the population density is reasonably great, I presume that there would be a decent increase in the population served. When such an increase would be created, it is customary for the application to boast about it. The only downside I see would be a decrease in the signal strength in Gloucester, which currently gets much more than 60 dBu, but would wind up a lot closer to the edge of the 60-dBu contour.