Has HD got stronger?

[R.F. Burns]

R.F. Burns expounded:

What is law is that these stations are afforded no protection from interference.


Do I detect that you are now willing to admit that HD in sidebands of an AM carrier MAY be responsible for causing interference to adjacent AM channels? Naw, that's not possible, is it?

That's not what I said. Have you ever tried tuning to a first adjacent of any of the larger radio stations. In NY 760 and 780 have always been unlistenable thanks to WABC's sidebands, whether they be analogue or digital.

What is so difficult about that to understand?

It is difficult for me (and no doubt several others) to understand why the FCC would permit a technology to be used on the AM broadcast band that DELIBERATELY introduces interference to adjacent channels. This is inconceivable to me and I think the public is getting a royal shafting.

Deliberately? All AM stations put RF into adjacent frequencies. To me if the interference is 80% or 100% it makes no difference. Again, using 770 as an example, 750, 760, 780 & 790 have been unlistenable thanks to the WABC sidebands. That's why no local stations are on first adjacents. WPAT on 930 argued for years that WRKL on 910 caused interference to their signal and those stations are over 30 miles apart.

 

[SUPERCASTER]

I should point out that, as big an HD fan as I am, if I "have no right to expect service outside of the protected contour", I would get not only no HD, but almost NO FM, because while I can receive many FM stations, and a bunch of HD ones, I am in the protected contour of only one...WKBC FM, North Wilkesboro NC.

Apparently your right to listen to anything but your only "protected" FM signal, WKBC FM, have been revoked by the FCC, the HD radio cartel, iBiquity, and the HD radio supporters.
Sorry Mike, except for WKBC FM, no FM for you. You no longer have any right to listen.
Is that the HD Cartel police I hear knocking at your door?

If you knew what you were talking about you would realize that the commision never wrote anything about listening to stations outside of their protected contour. What is law is that these stations are afforded no protection from interference. What is so difficult about that to understand?

You quoted the wrong poster again.
I was referring to the poster who keeps coming on this HD topic board and keeps claiming that there are no rights outside the station's primary contour.

To use your own words

What is so difficult about that to understand?

 

[R.F. Burns]

I should point out that, as big an HD fan as I am, if I "have no right to expect service outside of the protected contour", I would get not only no HD, but almost NO FM, because while I can receive many FM stations, and a bunch of HD ones, I am in the protected contour of only one...WKBC FM, North Wilkesboro NC.

Apparently your right to listen to anything but your only "protected" FM signal, WKBC FM, have been revoked by the FCC, the HD radio cartel, iBiquity, and the HD radio supporters.
Sorry Mike, except for WKBC FM, no FM for you. You no longer have any right to listen.
Is that the HD Cartel police I hear knocking at your door?

If you knew what you were talking about you would realize that the commision never wrote anything about listening to stations outside of their protected contour. What is law is that these stations are afforded no protection from interference. What is so difficult about that to understand?

You quoted the wrong poster again.
I was referring to the poster who keeps coming on this HD topic board and keeps claiming that there are no rights outside the station's primary contour.

To use your own words

What is so difficult about that to understand?

There are no rights outside of the stations protected contouor. If a local station appears on the same frequency and that makes the weak station unlistenable, that's life.

 

[clouseau]

Do I detect that you are now willing to admit that HD in sidebands of an AM carrier MAY be responsible for causing interference to adjacent AM channels? Naw, that's not possible, is it?

Is that at issue here? That's how Ibiquitiy's system works, on the adjacent channels. If someone is charging that IBOC AM is not degrading 1st adjacent reception within the primary station's service area, they're confused. As I see it, you won't get WLW in NYC. That's the trade for better quality on WOR.

It is difficult for me (and no doubt several others) to understand why the FCC would permit a technology to be used on the AM broadcast band that DELIBERATELY introduces interference to adjacent channels. This is inconceivable to me and I think the public is getting a royal shafting.

If you question is legit (And I think it is) the answer is ...
AM DX was not seen as having ANY VALUE at all. Any reception outside of the 1 MvM contour was not seen as having any value at all. I don't know that I would call it "Inconceivable" but I do think you could make a pretty good case for "Strange" or "odd". I wonder if a "Class D" AM will get to avail itself of these new relaxed rules. Will the 660KHz Daytimer in the Carolinas get to run at night with 500 watts on 660 KHz just like 670 KHz in Chicago does. Hmmm.

They claim to have done extensive testing on this whole theory. I hope so. We'll see.

Clouseau.

Let's see what irrelevnt links pop up on this one...

 

[Tom Wells]

Just for the heck of it, I tried tuning in WVIV 103.1 here at my home on the southwest side of Chicago. No problem receiving an almost crystal-clear, listenable signal on all three of my analog FM tuners. 8)

! Maybe it's the 7 miles from downtown thing. How far from downtown are you?

I'll try some more radios and return.

After reseating the clips for the balun connection at the Winegard antenna, I was able to pick up WVIV 103.1 with some trouble.
I had to rotate the antenna while monitoring the signal, and when pointed slightly west of due north, I am able to clear it up.
The position of the antenna is pretty critical. I wonder if there's just too much gain. The built-in tuner 10 db pad doesn't seem to make much difference.
I did not have the same issues when trying car radios or other FMs with built in cord antennas or whips.
This seems to be a case where the high gain/ good tuner FM is not as useful as the cheaper radios.
Next I guess I'll try a cheap dipole, but the tuner is in the basement, and with the Yagi in the attic.
I'd have to think more signal is better, but maybe not here.