Bob Dobbs wrote:
dave wrote:
Bob Dobbs wrote:
N.Morrow wrote:
wrote:
Been listening to KDKA AM radio in digital. What a crappy signal. It
switches back and forth from digital to analog and during the
transition the receiver makes this screech noise that sounds lik/ the
receiver isn’t resolving the digital signal correctly. When in full
digital the high frequencies are so dirty sounding, I guess due to the
slow bit rate, that I have to ask myself, what’s the point? When it
goes back to analog the signal cleans up and sounds great. Tell me
again why would anyone want this?

Are you sure that your problem isn't related to the signal bouncing between
the Pittsburgh Macaroni Co. and Wholey's in the Strip then off the Roberto
Clemente Bridge and then ricochetting around Sliberty and the Sou-side and
finally ending up somewhere in Wilmerding?

-N.Morrow (former resident of the 'Burgh and big Rege Cordic fan)


So if he's experiencing multipath distortion
then maybe his radio isn't at fault after all?
I get QSB type path deterioration (not multipath) on the KFI 640 signal from
L.A. such that I periodically lose HD sync, but there's no "screeching"
artifact, just the presence or absence of hiss.

The sky wave and the ground wave are at odds with each other. I listen
via the web.

I get the same phenomena with KNX 1070.
Would like to try KGO 810 but they kill their IBOC at night
before the band opens up that far away.
If you have an HD receiver maybe you could test your reception
of our KOGO 600 up there on your end, It runs IBOC 24/7.

I have a local on 610.

On Mar 1, 2:12*pm, Bob Dobbs wrote:
dave wrote:

If you have an HD receiver maybe you could test your reception
of our KOGO 600 up there on your end, It runs IBOC 24/7.

I have a local on 610.

Is it one of those fat HD stations,
or don't you have enough selectivity
to resolve something ten kcs away?

With KOGO running its IBOC 24/7,
I'd never be able to hear it.

--

Operator Bob
Echo Charlie 42

I have 50 kW KGO 810 about 5 miles away, grounded in the same SF Bay
mud as my own ground.

It almost pins my S-meter at minimum 40-over even attenuated, and it
takes a massive effort to hear anything 10 kHz away from it; my
MFJ-1026 works totally overtime to crush the signal even when I use
USB/LSB on narrow and passband. Even worse is another 50 kW blowtorch
just 1.5 miles away on 1100 - yecch! Not only that, but its harmonics
are potent on 2200 and 3300 (farewell, R. Cultural, Guatemala). I
wonder if the 1026 can wipe that 3300 harmonic...

Bruce

bpnjensen wrote:
On Mar 1, 2:12 pm, Bob wrote:
dave wrote:

If you have an HD receiver maybe you could test your reception
of our KOGO 600 up there on your end, It runs IBOC 24/7.

I have a local on 610.

Is it one of those fat HD stations,
or don't you have enough selectivity
to resolve something ten kcs away?

With KOGO running its IBOC 24/7,
I'd never be able to hear it.

--

Operator Bob
Echo Charlie 42

I have 50 kW KGO 810 about 5 miles away, grounded in the same SF Bay
mud as my own ground.

It almost pins my S-meter at minimum 40-over even attenuated, and it
takes a massive effort to hear anything 10 kHz away from it; my
MFJ-1026 works totally overtime to crush the signal even when I use
USB/LSB on narrow and passband. Even worse is another 50 kW blowtorch
just 1.5 miles away on 1100 - yecch! Not only that, but its harmonics
are potent on 2200 and 3300 (farewell, R. Cultural, Guatemala). I
wonder if the 1026 can wipe that 3300 harmonic...

Bruce

East Palo Alto? Fremont? KGO looks cool on Google.

On Mar 2, 5:46*am, dave wrote:
bpnjensen wrote:
On Mar 1, 2:12 pm, Bob *wrote:
dave wrote:

If you have an HD receiver maybe you could test your reception
of our KOGO 600 up there on your end, It runs IBOC 24/7.

I have a local on 610.

Is it one of those fat HD stations,
or don't you have enough selectivity
to resolve something ten kcs away?

With KOGO running its IBOC 24/7,
I'd never be able to hear it.

--

Operator Bob
Echo Charlie 42

I have 50 kW KGO 810 about 5 miles away, grounded in the same SF Bay
mud as my own ground.

It almost pins my S-meter at minimum 40-over even attenuated, and it
takes a massive effort to hear anything 10 kHz away from it; my
MFJ-1026 works totally overtime to crush the signal even when I use
USB/LSB on narrow and passband. *Even worse is another 50 kW blowtorch
just 1.5 miles away on 1100 - yecch! *Not only that, but its harmonics
are potent on 2200 and 3300 (farewell, R. Cultural, Guatemala). *I
wonder if the 1026 can wipe that 3300 harmonic...

Bruce

East Palo Alto? *Fremont? *KGO looks cool on Google.- Hide quoted text -

- Show quoted text -

KGO is in Fremont immediately adjacent to Coyote Hills Regional Park
and SF Bay NWR. The east side of the bay.

Tonight, if I think about it, I will see if I can pick up KDKA.I used to
tune in sometimes, I was picking it up pretty good, with not too much
fading out and in.
cuhulin

Bob Dobbs wrote:

wrote:
Tonight, if I think about it, I will see if I can pick up KDKA.I used to
tune in sometimes, I was picking it up pretty good, with not too much
fading out and in.
cuhulin

From Jackson you should be able to.
I remember my dad used to listen to the A's (Philadelphia Athletics)
games at 1020kcs back in the 50's on one of those old hollow state boxes
with a built in wound loop (not ferrite). Indoors in Leavell Woods.

I can hear them (KDKA 1020) at 2320 (6:20 PM EST) at a good level.

dxAce
Michigan
USA

http://www.devilfinder.com
Radio Station KDKA

KDKA - Celebrating the Worlds First Radio Station KDKA Radio.
cuhulin

wrote:
http://www.devilfinder.com
Radio Station KDKA

KDKA - Celebrating the Worlds First Radio Station KDKA Radio.
cuhulin


Actually, the first radio station was on the West Coast. Still owned by
the same pinball machine company.

http://www.kcbs.com/pages/8944.php?

Bob Dobbs wrote:
dave wrote:
wrote:
http://www.devilfinder.com
Radio Station KDKA

KDKA - Celebrating the Worlds First Radio Station KDKA Radio.
cuhulin


Actually, the first radio station was on the West Coast. Still owned by
the same pinball machine company.

http://www.kcbs.com/pages/8944.php?

http://www.kdkaradio.com/pages/5855954.php

Can they both be the 'first'?

http://www.kcbs.com/pages/3497126.ph...nner_Div#imgXR

Bob Dobbs wrote:
dave wrote:
wrote:
http://www.devilfinder.com
Radio Station KDKA

KDKA - Celebrating the Worlds First Radio Station KDKA Radio.
cuhulin

Actually, the first radio station was on the West Coast. Still owned by
the same pinball machine company.

http://www.kcbs.com/pages/8944.php?

http://www.kdkaradio.com/pages/5855954.php

Can they both be the 'first'?



I suppose the title of 'first' depends upon how you define
'regularly scheduled' since Reginald Aubrey Fessenden was
undoubtedly the first man to transmit sound (mainly to very
surprised marine spark operators) via radio. That happened in 1900,
eight days before the dawn of the 20th century, and again with
better quality in 1906 -- but Fessenden's transmissions were
irregular experiments, repeated only a few times and not on any kind
of schedule.

It could be argued that Fessenden (who was also a pioneer in the
development of CW) was the inventor of both radiotelephone and
amplitude modulation. He also discovered the heterodyne principle,
very important for all of us here in rec.radio.shortwave!


With all good wishes,


Kevin, WB4AIO.
--
http://kevinalfredstrom.com/