Engineering & DX'ing

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Found-Original Transmitter Location of WNZK 690

Last post by Ben Zonia « Tue May 24, 2022 9:39 pm
Replies: 2
by Ben Zonia » Mon May 23, 2022 1:52 pm

Original location was in Romulus. 500 watts. Application is from 1983.

CP FOR NEW AM ON: FREQUENCY: 690KHZ; PWR: 500W; HRS OF OPER:
DAY; TL: SW...

2 Replies

107 Views

Last post by Ben Zonia
Tue May 24, 2022 9:39 pm
82-88 MHz and the FCC June 8 2022 meeting

Last post by Marcus « Mon May 23, 2022 11:49 am

by Marcus » Mon May 23, 2022 11:49 am

0 Replies

54 Views

Last post by Marcus
Mon May 23, 2022 11:49 am
Effect Of Antenna Height On FM Receiving Antenna Gain

Last post by Rich F. « Mon May 09, 2022 12:24 pm
Replies: 13
by Ben Zonia » Sat Apr 23, 2022 12:41 pm

As stated elsewhere, FM receiving antenna heights can have a dramatic effect on signal strength to your receiver. Brian Beezley from the k6sti ham...

13 Replies

626 Views

Last post by Rich F.
Mon May 09, 2022 12:24 pm
Would This AM Hybrid Be Possible?

Last post by audiophile « Sat May 07, 2022 8:11 am
Replies: 2
by Ben Zonia » Sat Mar 19, 2022 1:19 pm

Would it be possible, in your opinion, to broadcast a hybrid system with Motorola AM Stereo AND short intermittent digital packets with RDS type...

2 Replies

329 Views

Last post by audiophile
Sat May 07, 2022 8:11 am
WLLZ Applies To Move To Diplex With WDET

Last post by Ben Zonia « Fri May 06, 2022 9:55 am
Replies: 14
by Ben Zonia » Tue Apr 26, 2022 3:06 pm

It appears that it's proposed that WLLZ be 39 kW @ 169 meters HAAT, diplexed with the WDET antenna, and if licensed, WLLZ will no longer be a...

14 Replies

706 Views

Last post by Ben Zonia
Fri May 06, 2022 9:55 am
TREASURE TROVE OF OLD MICHIGAN COVERAGE MAPS

Last post by Ben Zonia « Sat Apr 30, 2022 8:44 am
Replies: 13
by Ben Zonia » Sat Feb 19, 2022 3:15 pm

Mostly AM, some FM and TV.

13 Replies

724 Views

Last post by Ben Zonia
Sat Apr 30, 2022 8:44 am
Scanner Question

Last post by k8jd « Fri Apr 22, 2022 7:20 pm
Replies: 6
by Turkeytop » Fri Jan 14, 2022 12:05 am

I have a Uniden BC 125 AT handheld scanner. It's all locked up. Any key I press, the display says the keyboard is locked. How can I unlock it?

6 Replies

639 Views

Last post by k8jd
Fri Apr 22, 2022 7:20 pm
Band Scope WMUZ AM

Last post by k8jd « Fri Apr 15, 2022 6:56 pm
Replies: 7
by k8jd » Sat Apr 09, 2022 9:42 pm

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7 Replies

357 Views

Last post by k8jd
Fri Apr 15, 2022 6:56 pm
WWV / WWVH

Last post by Turkeytop « Tue Apr 12, 2022 12:29 am
Replies: 25
by Turkeytop » Sat Mar 07, 2020 11:27 pm
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I've been going around resetting the clocks for DST.

WWV is weak on 10 MHZ. On 5 MHZ I'm getting a good signal from WWVH, with a weaker WWV in the...
25 Replies

4452 Views

Last post by Turkeytop
Tue Apr 12, 2022 12:29 am
WCAR, Dark ?

Last post by MWmetalhead « Sat Apr 09, 2022 7:30 pm
Replies: 28
by k8jd » Sun Nov 21, 2021 12:27 pm
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WHAT's happening at WCAR AM 1090. For the last few days I hear NOTHING on 1090 kHz No signal, no carrier , Did the Transmitter down off Ford Road and...
28 Replies

2230 Views

Last post by MWmetalhead
Sat Apr 09, 2022 7:30 pm
Anyone Know What This Is?

Last post by Turkeytop « Wed Apr 06, 2022 12:34 am
Replies: 2
by Turkeytop » Tue Apr 05, 2022 10:23 pm

Whether I'm back at home in Ontario or here in the Tampa Bay area 650 KHZ AM at night is always WSM Nashville. Tonight, there isn't any sound of WSM....

2 Replies

236 Views

Last post by Turkeytop
Wed Apr 06, 2022 12:34 am
FCC Urged To Allow Technical Change That Would Improve FM’s Digital Coverage.

Last post by Ben Zonia « Tue Apr 05, 2022 1:35 am
Replies: 5
by SolarMax » Fri Jan 21, 2022 11:39 am

From Inside Radio Jan. 20:
FCC Urged To Allow Technical Change That Would Improve FM’s Digital Coverage.

-Not clear on the asymmetric sideband...

5 Replies

525 Views

Last post by Ben Zonia
Tue Apr 05, 2022 1:35 am
WHNE 13 subchannels

Last post by km1125 « Sat Apr 02, 2022 9:06 pm
Replies: 3
by Circle Seven » Sat Apr 02, 2022 9:45 am

It would be nice if they could allocate a few more bits to those subchannels that have motion video and less to those shopping channels

I moved...

3 Replies

229 Views

Last post by km1125
Sat Apr 02, 2022 9:06 pm
Remembering General Telephone And Other Ancient Telephone Facts

Last post by Dr. Sandi « Fri Apr 01, 2022 6:08 am
Replies: 12
by Ben Zonia » Sun Jan 30, 2022 11:34 am

Remember General Telephone, which eventually became GTE and a conglomerate, used to have telephone exchanges and systems which were way behind the...

12 Replies

709 Views

Last post by Dr. Sandi
Fri Apr 01, 2022 6:08 am
Unused AM allocations

Last post by k8jd « Sat Mar 26, 2022 12:21 am
Replies: 20
by ZenithCKLW » Mon Feb 21, 2022 2:38 pm
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I can think of a few AM stations that have either gone silent, changed frequencies, or moved to FM. What happens with their old AM allocations? How...
20 Replies

1080 Views

Last post by k8jd
Sat Mar 26, 2022 12:21 am
BBC once again broadcasting on Shortwave to Europe for first time in 14 years

Last post by SolarMax « Fri Mar 11, 2022 11:23 pm
Replies: 15
by bmw » Fri Mar 04, 2022 11:46 pm
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...specifically, to Ukraine.

I can't help but wonder what other interesting transmissions there may be on shortwave frequencies right now in that...
15 Replies

750 Views

Last post by SolarMax
Fri Mar 11, 2022 11:23 pm
N. America AM Ground Conductivity Map

Last post by Ben Zonia « Fri Feb 25, 2022 12:01 am
Replies: 3
by Marcus » Wed Feb 23, 2022 11:40 pm

A good portion of S.W. Ontario is actually a 20. The Canadian shield up north is only about a 2. I like how they included Canada, Mexico, Alaska, and...

3 Replies

305 Views

Last post by Ben Zonia
Fri Feb 25, 2022 12:01 am
Using Sun's Azimuth for Aiming Antenna

Last post by Ben Zonia « Wed Feb 23, 2022 6:58 am
Replies: 6
by jimh » Sun Feb 20, 2022 11:11 am

I removed my post on how to use the Sun's azimuth to determine an antenna heading. All the follow-on comments seemed to want to change the topic. I...

6 Replies

342 Views

Last post by Ben Zonia
Wed Feb 23, 2022 6:58 am
Downriver AM transmitters

Last post by SolarMax « Mon Feb 21, 2022 7:43 pm
Replies: 58
by ZenithCKLW » Mon Apr 27, 2020 3:25 pm
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Can someone explain the strategy behind broadcasters placing an AM transmitter downriver, especially in SE Michigan? It seems the 50kw AM radio...
58 Replies

8294 Views

Last post by SolarMax
Mon Feb 21, 2022 7:43 pm
List Of Airports Requiring 5G Buffer Zone

Last post by WOHO « Sat Feb 05, 2022 7:49 pm
Replies: 11
by Ben Zonia » Fri Jan 14, 2022 2:31 pm

Interference to Aeronautical Communications being reviewed.

DTW and FNT in Michigan. ORD (Hub) near Michigan.

11 Replies

673 Views

Last post by WOHO
Sat Feb 05, 2022 7:49 pm
Another Radio

Last post by WOHO « Sat Feb 05, 2022 7:35 pm
Replies: 12
by Turkeytop » Wed Jan 12, 2022 10:42 pm

I said on this board just a couple of weeks ago that I have so many radios already. there is no way I can justify or rationalize getting even one...

12 Replies

713 Views

Last post by WOHO
Sat Feb 05, 2022 7:35 pm
WPON/WCXI harmonics

Last post by Ben Zonia « Sat Jan 29, 2022 6:07 pm
Replies: 6
by k8jd » Thu Jan 27, 2022 12:36 pm

Happened to stumble across WCXI's 3rd harmonic this morning , was pretty strong , 5.3 miles from here, measured freq here 3479.990 kHz So checked the...

6 Replies

379 Views

Last post by Ben Zonia
Sat Jan 29, 2022 6:07 pm
I could use a little help! (AM radio)

Last post by k8jd « Tue Jan 25, 2022 9:17 pm
Replies: 11
by Mega Hertz » Sun Jan 23, 2022 8:47 pm

So, most of the time, I get crummy AM reception. I have speaker wire hooked in as an antenna. My stereo is in the basement and my tuner is a 1979...

11 Replies

580 Views

Last post by k8jd
Tue Jan 25, 2022 9:17 pm
Put up a 5 ele FM beam feeding a Sony XDR-F1HD

Last post by audiophile « Wed Jan 19, 2022 8:19 pm
Replies: 9
by n8fnr » Tue Nov 02, 2021 11:44 pm

Recently I got a Stellar 4 element FM yagi from Newark which is one of the few beams still made. Found instructions on how to add a 5th element for a...

9 Replies

759 Views

Last post by audiophile
Wed Jan 19, 2022 8:19 pm
Now IHM Wants To Own ALL The AM Stations!

Last post by Radio Chili « Mon Jan 10, 2022 12:31 am
Replies: 12
by Ben Zonia » Wed Nov 17, 2021 11:04 am

But what do you bet that once they do, they'll file a Petition For Rulemaking to move them all to an EXPANDED FM BAND?

12 Replies

1111 Views

Last post by Radio Chili
Mon Jan 10, 2022 12:31 am
Praise for the FM RX with my CCradio 3

Last post by Turkeytop « Sun Jan 02, 2022 12:49 am
Replies: 6
by n8fnr » Fri Dec 31, 2021 4:37 pm

The CCradio3 has an amazing FM receiver. I can listen to CBC Radio 1, CBEW, running 2.3 - 13K ERP 27 miles south of me. Now that does not really...

6 Replies

520 Views

Last post by Turkeytop
Sun Jan 02, 2022 12:49 am
NextGen and the "volume problem"?

Last post by k8jd « Thu Dec 30, 2021 12:40 pm
Replies: 5
by km1125 » Sat Dec 18, 2021 10:55 am

Starting to see commercials promoting the NextGen TV sets (ATSC3.0) where they discuss the volume problem . This can be very annoying when you're...

5 Replies

888 Views

Last post by k8jd
Thu Dec 30, 2021 12:40 pm
Analog vs. digital modulation

Last post by k8jd « Wed Dec 15, 2021 10:48 pm
Replies: 2
by ZenithCKLW » Tue Dec 14, 2021 11:36 am

Out of curiosity, I'm looking for someone to explain modulation and its terminology. AM radio as I understand it is a method of analog modulation,...

2 Replies

461 Views

Last post by k8jd
Wed Dec 15, 2021 10:48 pm
Anyone here go to RETS?

Last post by k8jd « Wed Dec 15, 2021 10:38 pm
Replies: 3
by km1125 » Tue Dec 14, 2021 1:12 pm

Just curious.

Thought it would be better posted here than the other forums. I just ran across some literature from years ago as I had forgotten all...

3 Replies

415 Views

Last post by k8jd
Wed Dec 15, 2021 10:38 pm
Versatile C. Crane FM Very Low Power Transmitter

Last post by Turkeytop « Wed Nov 24, 2021 10:46 pm
Replies: 14
by Kennelly Heaviside » Thu Nov 18, 2021 9:21 am

Anyone have any experience with this particular device? I've always been very disappointed with the range of such devices. This one has the advantage...

14 Replies

892 Views

Last post by Turkeytop
Wed Nov 24, 2021 10:46 pm
Mini DXpedition

Last post by Turkeytop « Thu Nov 11, 2021 12:29 am
Replies: 4
by Turkeytop » Tue Nov 09, 2021 10:50 pm

Every fall I pick a day and head out into the country for a few hours to do some DXing on the short wave bands. I call it my Mini DXpedition. I take...

4 Replies

489 Views

Last post by Turkeytop
Thu Nov 11, 2021 12:29 am
WUFL QRMing WBZ Oct 14

Last post by k8jd « Sun Oct 17, 2021 10:05 pm
Replies: 4
by SolarMax » Thu Oct 14, 2021 11:31 pm

Tuning around AM dial around 1 am Thursday morning (10/14) discovered that WBZ 1030 Boston's usually good signal was being completely swamped by...

4 Replies

702 Views

Last post by k8jd
Sun Oct 17, 2021 10:05 pm
10/13 Tropo

Last post by Jason Kragt « Thu Oct 14, 2021 8:13 pm
Replies: 1
by mtburb » Wed Oct 13, 2021 9:21 pm

Receiving the following in Wyandotte with an Antennas Direct C2Max right now:

11 WTOL Toledo seems to be sending a little signal strength.
13 WTVG...

1 Replies

433 Views

Last post by Jason Kragt
Thu Oct 14, 2021 8:13 pm
CB Skip...it's Back

Last post by Calvert DeForest « Thu Oct 07, 2021 9:16 am
Replies: 32
by Calvert DeForest » Tue Jun 22, 2021 2:08 pm
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I've noticed a resurgence of chatter on the long-abandoned Citizens Band in recent weeks. My Degen multi-band radio tunes the 26-27 MHz frequency...
32 Replies

2557 Views

Last post by Calvert DeForest
Thu Oct 07, 2021 9:16 am
FM BC Band Animal Tracking Transmitters

Last post by WOHO « Thu Oct 07, 2021 8:48 am
Replies: 5
by Kennelly Heaviside » Sun Oct 03, 2021 2:00 pm

They used to use FM BCB Transmitters for tracking animals. The transmitters were detectable for miles, using multielement Yagis. Are these still...

5 Replies

709 Views

Last post by WOHO
Thu Oct 07, 2021 8:48 am
Coming in fron London

Last post by Turkeytop « Wed Sep 22, 2021 5:40 pm
Replies: 19
by Mega Hertz » Sat Sep 18, 2021 9:51 am
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Strong pull from the NE this morning. Hotspot is London ONT. The highlight was FM96, which O hadn't heard since CJWF signed on 2009.
19 Replies

1624 Views

Last post by Turkeytop
Wed Sep 22, 2021 5:40 pm
Catholic programming on 89.5 FM

Last post by k8jd « Tue Sep 21, 2021 7:47 pm
Replies: 5
by MWmetalhead » Sun Sep 19, 2021 8:28 pm

I'm at a bit of a loss as to what station I'm hearing. It is running EWTN radio. 89.5 MHz.

Coming in quite clearly for the second time today.

No...

5 Replies

885 Views

Last post by k8jd
Tue Sep 21, 2021 7:47 pm
Scanners

Last post by WOHO « Sun Sep 19, 2021 10:35 pm
Replies: 82
by Turkeytop » Sat Nov 16, 2019 8:32 pm
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Are any of you scanner enthusiasts? It's one aspect of the radio hobby I've never tried but might want to introduce myself to.

I don't want to...
82 Replies

14142 Views

Last post by WOHO
Sun Sep 19, 2021 10:35 pm
Got My GMRS License

Last post by Calvert DeForest « Wed Sep 15, 2021 8:45 am
Replies: 17
by Calvert DeForest » Wed Sep 01, 2021 11:29 am
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Finally took the plunge and dropped the 70 bones on the application last week. FCC issued my calls the next day. Got a Radioddity GM-30 5W GMRS with...
17 Replies

1466 Views

Last post by Calvert DeForest
Wed Sep 15, 2021 8:45 am
9/12-9/13 Tropos

Last post by Kennelly Heaviside « Tue Sep 14, 2021 10:44 pm
Replies: 3
by ChrisWL1980 » Mon Sep 13, 2021 9:19 pm

Received in Dewitt Township, Clinton County, just north of Lansing, with a Grundig Eton Traveler and a Sangean HDR-14:

88.5 WGVU Allendale, locking...

3 Replies

551 Views

Last post by Kennelly Heaviside
Tue Sep 14, 2021 10:44 pm
Tivoli Audio Henry Kloss Model One Demonstration

Last post by Kennelly Heaviside « Sun Sep 12, 2021 10:22 pm

by Kennelly Heaviside » Sun Sep 12, 2021 10:22 pm

Apparently, this was done near Grand Rapids. WMUK 102.1 and WSCR 670, WGN 720, and WBBM 780 are the few identified from outside the immediate 49500...

0 Replies

383 Views

Last post by Kennelly Heaviside
Sun Sep 12, 2021 10:22 pm
Practical FM Antenna Seminar

Last post by k8jd « Sun Sep 12, 2021 9:14 pm
Replies: 4
by Kennelly Heaviside » Sun Sep 12, 2021 11:57 am

Didn't know they had seminars for FM DXers. This one has information on simple FM Antennas.

The man in the video is a retired automotive engineer...

4 Replies

617 Views

Last post by k8jd
Sun Sep 12, 2021 9:14 pm
Dead Air today

Last post by k8jd « Sat Sep 04, 2021 1:28 pm
Replies: 9
by k8jd » Fri Aug 13, 2021 5:23 pm

Just tuned in my local stations, WCXI and WPON, heard NOTHING, just strong carriers and not even a background 60 Hz hum I could detect.
Another one...

9 Replies

1203 Views

Last post by k8jd
Sat Sep 04, 2021 1:28 pm
Radio tower locations

Last post by SolarMax « Wed Sep 01, 2021 10:59 pm
Replies: 32
by ramboy » Fri May 21, 2021 7:08 pm
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Good Afternoon, so I'm curious if anyone knows the location of Detroit radio station towers in the 1960's, this much I'm pretty certain,
92.3 top of...
32 Replies

4057 Views

Last post by SolarMax
Wed Sep 01, 2021 10:59 pm
DX-er alert!!! SE Michigan, 6PM on 8-11

Last post by ZenithCKLW « Fri Aug 27, 2021 12:07 pm
Replies: 29
by MWmetalhead » Wed Aug 11, 2021 5:58 pm
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Picking up Q106 with RDS in Royal Oak and Troy.

Also hearing WJIM-FM, WBCT, WUPS, WVFM, and many others with ease! 97.7 from Midland very audible at...
29 Replies

2388 Views

Last post by ZenithCKLW
Fri Aug 27, 2021 12:07 pm
Anita Longley Obituary

Last post by Kennelly Heaviside « Wed Aug 25, 2021 8:42 am
Replies: 5
by Ben Zonia » Tue Aug 17, 2021 11:14 am

Anita Longley, codeveloper of the Longley Rice Propagation Model, passed away last year at the age of 97.

5 Replies

794 Views

Last post by Kennelly Heaviside
Wed Aug 25, 2021 8:42 am
Some Longley-Rice maps are available for FM stations at rabbitears.info!

Last post by Kennelly Heaviside « Thu Aug 19, 2021 8:58 pm
Replies: 10
by MWmetalhead » Mon Aug 16, 2021 9:02 pm

There's a catch, though!

Instead of searching by call sign, one must instead search by FCC Facility ID.

Here is an L-R map for 97.9 WJLB:

10 Replies

1169 Views

Last post by Kennelly Heaviside
Thu Aug 19, 2021 8:58 pm
PEP National EAS Test Wednesday 8-11-21

Last post by WOHO « Thu Aug 12, 2021 7:08 pm
Replies: 4
by WOHO » Tue Aug 10, 2021 8:25 am

Couple of questions on the NPT/EAS test at 2:20 Wednesday.
I assume WJR is still a PEP for the region? What are the LP1 & LP2 stations for the...

4 Replies

542 Views

Last post by WOHO
Thu Aug 12, 2021 7:08 pm
Radio DX July 24

Last post by k8jd « Sun Jul 25, 2021 3:55 pm
Replies: 1
by radio stain » Sat Jul 24, 2021 11:25 pm

From southern Indiana I picked up country station 96.3 KHEY from El Paso. Came in pretty good for about a half hour. They were carrying a show called...

1 Replies

634 Views

Last post by k8jd
Sun Jul 25, 2021 3:55 pm
WKEY reducing ERP from 26 to 6 kW !!

Last post by ftballfan « Tue Jul 20, 2021 7:22 pm
Replies: 10
by k8jd » Fri Jul 16, 2021 9:46 pm

WKEY FM in Key west has a construction permit to change from 26 to 6.1 KW ERP ! Same antenna height and location. WHY would they do that ?

10 Replies

1025 Views

Last post by ftballfan
Tue Jul 20, 2021 7:22 pm

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