Tag Archives: FCC

Steve notes the ITU-R Recommendations on Radio Noise

SX-99-Dial

Commenting on our post about the FCC Noise Floor Inquiry, SWLing Post contributor, Steve Yothment writes:

One of the definitive documents on Radio Noise is the ITU-R Recommendation on Radio Noise, version P.373-12. This (latest) version is dated 07/2015, so it’s only a year old. You can download it [as a PDF] here. It has a lot of info on natural and man-made radio noise.

My favorite graph from the document is shown below:

Graph

It shows the level of radio noise vs. frequency for good and poor conditions. It can be rather surprising how noise, even under the best conditions, can be quite excessive on shortwave frequencies. For example, the best case noise level for 10 MHz is about 30dB above the Johnson Noise level. (That’s the noise level from just a resistor at room temperature.) That’s why the noise level in your shortwave receiver’s speaker gets so much higher when you attach the antenna!

That is fascinating, Steve! It’s no wonder we struggle with noise issues–even in the best of times, it appears.

FCC Noise Floor Inquiry

FCC-Public-Notice

Many thanks to SWLing Post reader, Bill, who shares this public notice from the FCC:

Comment Deadline: August 11, 2016

The FCC’s Technological Advisory Council (TAC), an advisory group to the FCC operating under the Federal Advisory Committee Act, is investigating changes and trends to the radio spectrum noise floor to determine if there is an increasing noise problem, and if so, the scope and quantitative evidence of such problem(s), and how a noise study should be performed. In this public notice, the Office of Engineering and Technology (OET) announces the TAC’s public inquiry, seeking comments and answers to questions below for the TAC about radio spectrum noise.

Click here to download a PDF of the full notice.

It’s at least encouraging that the FCC is investigating radio noise/interference–a serious issue for radio enthusiasts. Note that the comment deadline is August 11, 2016.

Thanks again for the tip, Bill!

The Society of Broadcast Engineers urges FCC to Improve Mediumwave RFI

WHKY-AM-Radio-Tower(Source: ARRL via Eric McFadden, WD8RIF)

The Society of Broadcast Engineers (SBE) has told the FCC that the regulatory agency needs to take another tack in its efforts to tackle AM revitalization. If the FCC takes the SBE’s advice, the result could be less noise in the MF and HF Amateur Radio bands. In comments the SBE filed in response to an FCC Further Notice of Proposed Rulemaking and Notice of Inquiry (MB 13-249) proposing ways to enhance the viability of the AM broadcast service, the SBE said the Commission must “commit to a regulatory plan which, over time, will reduce the levels of man-made noise in the MF bands, and more broadly in the bands below 30 MHz.” In comments it filed earlier in the proceeding, the SBE pointed out that “AM radio in particular is susceptible to interference from electronic devices of all types,” and that ambient noise on the AM band is only bound to get worse with further proliferation of noise-generating electronic devices, including certain lighting devices regulated under FCC Part 15 and Part 18 rules.[…]

Continue reading at the ARRL website…

FCC Commissioner outlines 2016 anti-pirate agenda

fcc-logoMany thanks to an anonymous SWLing Post contributor who writes:

The FCC released this material [yesterday]. It consists mainly of letters to various organizations to ask their members to avoid cooperating with unlicensed radio stations.

The concern is that real estate owners may be harboring unauthorized stations, and that businesses may support such stations with advertising funds.

I would point you to an interesting opinion on the subject by Prof. John Anderson:

O’Rielly Outlines Anti-Pirate Agenda for 2016

John references this recent YouTube video clip of a Congressional hearing where FCC Chairman Tom Wheeler is questioned on the FCC’s enforcement efforts:

Again, I am not the source of the following material–the FCC is:

STATEMENT OF COMMISSIONER MICHAEL O’RIELLY ON PIRATE RADIO ENFORCEMENT ADVISORY.

STMT. News Media Contact: Robin Colwell at (202) 418-2300, email: Robin.Colwell@fcc.gov  OCMO https://apps.fcc.gov/edocs_public/attachmatch/DOC-338021A1.docx
https://apps.fcc.gov/edocs_public/attachmatch/DOC-338021A1.pdf

Released:  03/01/2016.  FCC ENFORCEMENT ADVISORY: PERSONS OR BUSINESSES OPERATING “PIRATE” BROADCAST STATIONS ARE SUBJECT TO ENFORCEMENT ACTION. (DA No.  16-159)  This Enforcement Advisory discusses the rules that prohibit “pirate” radio, explains to the public at large what broadcast actions are illegal, why such activities may harm the public, and what do to in case someone suspects “pirate” broadcasts.  EB . News Media Contact: Will Wiquist at (202) 418-0509, email: Will.Wiquist@fcc.gov

https://apps.fcc.gov/edocs_public/attachmatch/DA-16-159A1.docx
https://apps.fcc.gov/edocs_public/attachmatch/DA-16-159A10.pdf
https://apps.fcc.gov/edocs_public/attachmatch/DA-16-159A11.pdf
https://apps.fcc.gov/edocs_public/attachmatch/DA-16-159A12.pdf
https://apps.fcc.gov/edocs_public/attachmatch/DA-16-159A13.pdf
https://apps.fcc.gov/edocs_public/attachmatch/DA-16-159A2.pdf
https://apps.fcc.gov/edocs_public/attachmatch/DA-16-159A3.pdf
https://apps.fcc.gov/edocs_public/attachmatch/DA-16-159A4.pdf
https://apps.fcc.gov/edocs_public/attachmatch/DA-16-159A5.pdf
https://apps.fcc.gov/edocs_public/attachmatch/DA-16-159A6.pdf
https://apps.fcc.gov/edocs_public/attachmatch/DA-16-159A7.pdf
https://apps.fcc.gov/edocs_public/attachmatch/DA-16-159A8.pdf
https://apps.fcc.gov/edocs_public/attachmatch/DA-16-159A9.pdf
https://apps.fcc.gov/edocs_public/attachmatch/DA-16-159A1.pdf

Note that the bulk of this report focuses on FM/AM radio pirates in local markets rather than shortwave pirates (though I’m sure, on occasion, shortwave pirates are on the FCC radar).

LeBlanc to crack down on pirates

fcc_logo

Many thanks to SWLing Post reader, Bill Patalon, who writes:

FCC’s LeBlanc wants to really crack down on Pirates …. And the “C” goes after the SW buccaneers as well as those on the commercial BCBs …

http://www.radioworld.com/article/leblanc%E2%80%99s-goal-is-no-pirates/275622%20

While the FCC is busy sabre-rattling, they should also think about ways to diversify the broadcast airwaves legally. There is a significant entry barrier for any would-be broadcaster on the FM and AM bands.

In fact, a quick glance at the procedures to apply for a new AM or FM station licence on the FCC website is discouraging: as of today, they are not accepting applications for new stations. And the FCC wonders why there are so many pirates?

Thanks again for the link, Bill.