Engineering & DX'ing

Registrations in the queue through May 27 at 7:30p ET have now been activated. Enjoy! -M.W.

Terms of Use have been amended effective October 6, 2019. Make sure you are aware of the new rules! Please visit this thread for details: https://www.mibuzzboard.com/phpBB3/view ... 16&t=48619

New Topic

213 topics

Topics

Replies

Views

Last post

Downriver AM transmitters

Last post by CK-722 « Wed Jun 03, 2020 7:09 pm
Replies: 12
by ZenithCKLW » Mon Apr 27, 2020 3:25 pm

Can someone explain the strategy behind broadcasters placing an AM transmitter downriver, especially in SE Michigan? It seems the 50kw AM radio...

12 Replies

549 Views

Last post by CK-722
Wed Jun 03, 2020 7:09 pm
VA3 FEZ

Last post by k8jd « Tue Jun 02, 2020 11:49 am
Replies: 29
by Turkeytop » Mon Apr 06, 2020 8:51 pm
1

2
VA3 FEZ is an amateur repeater in London ON. I hear the same two operators yacking on there every night.

What's the etiquette for these things? Do...
29 Replies

822 Views

Last post by k8jd
Tue Jun 02, 2020 11:49 am
Solar Cycle 25

Last post by SolarMax « Sun May 31, 2020 8:03 pm
Replies: 9
by Turkeytop » Sun May 03, 2020 10:59 pm

According to Arnie Coro at Radio Havana, the sun's magnetic field has reversed, indicating the start of a new solar cycle.

Scientific predictions...

9 Replies

248 Views

Last post by SolarMax
Sun May 31, 2020 8:03 pm
WLNS/WLAJ RF14

Last post by innate-in-you « Sun May 31, 2020 3:57 pm
Replies: 4
by windsor » Thu Jan 16, 2020 1:37 pm

Since WLNS/WLAJ moved to RF14 I have been getting a weird signal from them everyday at all hours.But cant get a lock.

Comes in like gangbusters for...

4 Replies

420 Views

Last post by innate-in-you
Sun May 31, 2020 3:57 pm
New GM Radio

Last post by Vic Doucette « Tue May 26, 2020 7:18 am
Replies: 9
by Turkeytop » Fri May 22, 2020 9:56 pm

Got my new 2020 Equinox today. It replaces the 2016 Equinox I had. As was the 2016, this one too has a radio equipped to receive SXM. They've made...

9 Replies

332 Views

Last post by Vic Doucette
Tue May 26, 2020 7:18 am
I Never Saw A Tuning Indicator I Didn't Like

Last post by Turkeytop « Thu May 21, 2020 9:25 pm
Replies: 11
by CK-722 » Wed May 20, 2020 11:39 pm

Thread under construction.

You'll see these in old movies and TV shows, like The Waltons, on old radios. It pretty much has to be in color....

11 Replies

804 Views

Last post by Turkeytop
Thu May 21, 2020 9:25 pm
The Strongest Skywaves In The Straits Area Of Northern Michigan

Last post by innate-in-you « Thu May 21, 2020 7:04 pm
Replies: 37
by CK-722 » Sun May 10, 2020 10:51 am
1

2

3
1. WWJ 950 50000 watts, Directional to the North.
2. WFDF 910 25000 watts, Directional to the North.
3. WJR 760 50000 watts, Nondirectional.
4. WMVP...
37 Replies

982 Views

Last post by innate-in-you
Thu May 21, 2020 7:04 pm
Scanners

Last post by k8jd « Thu May 14, 2020 11:49 am
Replies: 48
by Turkeytop » Sat Nov 16, 2019 8:32 pm
1

2

3

4
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...
48 Replies

2637 Views

Last post by k8jd
Thu May 14, 2020 11:49 am
Bowtie Antenna Calculator

Last post by CK-722 « Fri May 08, 2020 3:46 pm
Replies: 5
by CK-722 » Thu May 07, 2020 11:49 am

Something you might want to try.

5 Replies

242 Views

Last post by CK-722
Fri May 08, 2020 3:46 pm
If You Want It, Here It Is, Come And Get It!

Last post by Ben Zonia « Fri May 08, 2020 10:57 am
Replies: 2
by CK-722 » Tue May 05, 2020 1:50 pm

Free stripped 20 kW FM Transmitter. Tubes need to be replaced. No exciter. Real Estate people would probably call it a fixer upper . You have to...

2 Replies

275 Views

Last post by Ben Zonia
Fri May 08, 2020 10:57 am
Strangest Radio Signals

Last post by CK-722 « Thu May 07, 2020 8:22 pm
Replies: 12
by Ben Zonia » Fri May 01, 2020 3:35 pm

Here's one-The Buzzer.

Buzzer breaks down at 2:00.

12 Replies

507 Views

Last post by CK-722
Thu May 07, 2020 8:22 pm
Most distant AM/FM/TV signal you ever tuned in?

Last post by k8jd « Sun May 03, 2020 11:13 pm
Replies: 60
by mtburb » Wed Mar 27, 2019 10:05 pm
1

2

3

4

5
Another pre-crash thread recreation. As in the old thread, list the most distant AM, FM and TV signal you've ever tuned in.

From my current memory,...
60 Replies

5572 Views

Last post by k8jd
Sun May 03, 2020 11:13 pm
Speaking Of Strongest Signals-Just Logged WA1HLR

Last post by k8jd « Thu Apr 30, 2020 11:43 am
Replies: 9
by CK-722 » Sat Apr 25, 2020 2:34 am

Anyone else ever hear WA1HLR from Maine on 3870 or 3885 kHz using Amplitude Modulation? Just heard it with a Grundig S350 with the telescoping whip...

9 Replies

507 Views

Last post by k8jd
Thu Apr 30, 2020 11:43 am
MW DX Tonight

Last post by k8jd « Wed Apr 29, 2020 3:26 pm
Replies: 18
by Turkeytop » Thu Apr 16, 2020 12:36 am
1

2
Just been listening to CJOB 680 KHZ from Winnipeg, First time I ever heard it.
18 Replies

674 Views

Last post by k8jd
Wed Apr 29, 2020 3:26 pm
25 Strongest Signals in the Great Lakes

Last post by cckadlec « Sat Apr 25, 2020 1:04 pm
Replies: 2
by cckadlec » Sat Apr 25, 2020 12:13 am

Here are the top 25 most potent FM signals in the Great Lakes region - in order - measured in terms of coastal reception from 80 beaches where full...

2 Replies

263 Views

Last post by cckadlec
Sat Apr 25, 2020 1:04 pm
DIY antenna designs for attic?

Last post by km1125 « Fri Apr 24, 2020 1:38 pm
Replies: 40
by km1125 » Fri Jan 03, 2020 7:18 pm
1

2

3
Wondering if there are any updated designs for DIY UHF antenna that focus on the 470-600MHz frequencies that might be optimized over the old 470-890...
40 Replies

1752 Views

Last post by km1125
Fri Apr 24, 2020 1:38 pm
Studio Safety In The Age Of Coronavirus

Last post by k8jd « Wed Apr 22, 2020 3:51 pm
Replies: 2
by CK-722 » Tue Apr 21, 2020 5:07 pm

Looks like everyone should work from home studios whenever possible, and at the very least, maybe everyone should have their own microphone and boom,...

2 Replies

122 Views

Last post by k8jd
Wed Apr 22, 2020 3:51 pm
Review of Sangean ATS-909X

Last post by Turkeytop « Tue Apr 21, 2020 2:18 pm
Replies: 13
by radioandtventhusiast » Sun Apr 19, 2020 7:08 pm

I got a Sangean ATS-909X last Sunday, after buying it on Amazon. Let me tell you, this is one of the best radios for picking up distant stations and...

13 Replies

342 Views

Last post by Turkeytop
Tue Apr 21, 2020 2:18 pm
Great Lakes Reception Maps

Last post by cckadlec « Sat Apr 18, 2020 12:06 pm
Replies: 14
by cckadlec » Tue Apr 14, 2020 8:01 am

As part of my coastal propagation project I've been working on for the past 18 years, I've been wrapping things up with maps and articles based upon...

14 Replies

474 Views

Last post by cckadlec
Sat Apr 18, 2020 12:06 pm
AM DX - Manistee - 2005 onward

Last post by WC8KCY « Fri Apr 17, 2020 5:03 pm

by WC8KCY » Fri Apr 17, 2020 5:03 pm

Most of these were tuned in with a Grundig G5 receiver with a Terk AM Advtange antenna connected via patch cord...

NIGHTTIME
540 CBK Wautrous SK...

0 Replies

128 Views

Last post by WC8KCY
Fri Apr 17, 2020 5:03 pm
AM Bandscan from Manistee - 16 April

Last post by WC8KCY « Fri Apr 17, 2020 9:10 am
Replies: 2
by WC8KCY » Fri Apr 17, 2020 2:43 am

Tonight's AM Bandscan from Manistee, tuned in on a Grundig G5 receiver with a Terk AM Advantage antenna with patch cord connection:

540 WAUK Jackson...

2 Replies

174 Views

Last post by WC8KCY
Fri Apr 17, 2020 9:10 am
Why several Detroit AMs have reverted to 10 kHz analog bandwidth...

Last post by k8jd « Mon Apr 13, 2020 8:52 pm
Replies: 3
by MWmetalhead » Sun Apr 12, 2020 12:53 pm

I think the whole let's restrict the crap out of our analog signal's bandwidth and transmit in Hybrid Digital line of thinking is borne by a notion...

3 Replies

339 Views

Last post by k8jd
Mon Apr 13, 2020 8:52 pm
WWJ sounds great right now! Full 10 kHz analog bandwidth!

Last post by MWmetalhead « Sun Apr 12, 2020 8:06 am
Replies: 6
by MWmetalhead » Sat Apr 11, 2020 9:29 am

I-BLOC has been off for a while, and until recently, analog bandwidth was still brickwalled at 5 kHz.

To my delight, this morning, WWJ is using a...

6 Replies

318 Views

Last post by MWmetalhead
Sun Apr 12, 2020 8:06 am
y'think this might be true? (AM DX)

Last post by innate-in-you « Sat Apr 11, 2020 9:03 pm
Replies: 9
by TomSanders » Wed Apr 01, 2020 12:28 am

A couple sources -- middle-level people inside the New York and New Jersey governors' offices -- have recommended that AM DXers in the Northeast and...

9 Replies

447 Views

Last post by innate-in-you
Sat Apr 11, 2020 9:03 pm
Londoners Burning 5G Towers

Last post by Mike Oxlong « Sat Apr 11, 2020 5:13 pm
Replies: 3
by CK-722 » Fri Apr 03, 2020 1:22 pm

This is interesting. Graphic picture burning 5G antenna.

3 Replies

278 Views

Last post by Mike Oxlong
Sat Apr 11, 2020 5:13 pm
5G Stuff

Last post by k8jd « Sat Apr 11, 2020 3:58 pm
Replies: 1
by djb » Sat Apr 04, 2020 7:31 am

So, I've been hearing some acquaintances talking about the 5G rollout. Apparently in the midst of everything COVID-19, there's some 5G something or...

1 Replies

187 Views

Last post by k8jd
Sat Apr 11, 2020 3:58 pm
Florida trip bandscans!

Last post by k8jd « Tue Apr 07, 2020 11:52 am
Replies: 7
by ftballfan » Fri Apr 03, 2020 2:14 pm

Calhoun, GA 2/28/20
88.1 – WUTC Chattanooga, TN (30kW @ 55 mi)
88.9 – WMBW Chattanooga, TN (100kW @ 43 mi)
89.7 – WYBK Chattanooga, TN (100kW @ 54...

7 Replies

374 Views

Last post by k8jd
Tue Apr 07, 2020 11:52 am
Translators Galore! Intense Tropo.

Last post by cckadlec « Mon Apr 06, 2020 8:43 pm

by cckadlec » Mon Apr 06, 2020 8:43 pm

Opening practice run of the lake tropo season:

With numerous 60+ mile mirages of skylines across the water over the past week, I decided to check...

0 Replies

129 Views

Last post by cckadlec
Mon Apr 06, 2020 8:43 pm
Lake Michigan FM Bandscans

Last post by cckadlec « Mon Apr 06, 2020 8:58 am
Replies: 21
by cckadlec » Sun Sep 29, 2019 11:36 pm
1

2
With my project of conducting full bandscans at 80 beaches on the Great Lakes now completed, I'm working on typing out the data from the most recent...
21 Replies

1520 Views

Last post by cckadlec
Mon Apr 06, 2020 8:58 am
Wifi Slow Down Due To Increased Home Use

Last post by djb « Sat Apr 04, 2020 7:19 am
Replies: 4
by Ben Zonia » Thu Apr 02, 2020 3:05 pm

There has been a noticeable reduction in internet speeds due to stay home orders, and particularly children home from school.

In order to use less...

4 Replies

233 Views

Last post by djb
Sat Apr 04, 2020 7:19 am
High Tower Debate And Hearings

Last post by CK-722 « Fri Apr 03, 2020 10:55 am

by CK-722 » Fri Apr 03, 2020 10:55 am

Hearings about Broadcasting Industry, FCC, FAA, and zoning issues in the 1960s. There's a section that talks about small towers being more dangerous...

0 Replies

148 Views

Last post by CK-722
Fri Apr 03, 2020 10:55 am
Schematic Diagram For Realistic STA-111

Last post by CK-722 « Sun Mar 29, 2020 12:11 pm
Replies: 7
by CK-722 » Mon May 13, 2019 8:08 pm

Does anyone have any ideas for finding a schematic for a Realistic STA-111 Receiver? The relay system for preventing the amplifiers from being...

7 Replies

1028 Views

Last post by CK-722
Sun Mar 29, 2020 12:11 pm
Best portable radio for picking up the most stations?

Last post by Lester The Nightfly « Wed Mar 25, 2020 3:54 pm
Replies: 2
by radioandtventhusiast » Mon Mar 23, 2020 8:34 pm

I have a Sangean-ATS 405 that I use for traveling. It's not a bad radio, but I have problems with the radio resetting for no reason sometimes. I was...

2 Replies

365 Views

Last post by Lester The Nightfly
Wed Mar 25, 2020 3:54 pm
WWV / WWVH

Last post by CK-722 « Mon Mar 23, 2020 7:49 pm
Replies: 7
by Turkeytop » Sat Mar 07, 2020 11:27 pm

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...

7 Replies

572 Views

Last post by CK-722
Mon Mar 23, 2020 7:49 pm
Ever Hear Of A Rotator?

Last post by Ben Zonia « Mon Mar 23, 2020 7:03 pm
Replies: 6
by CK-722 » Sun Mar 22, 2020 2:56 am

I could understand if this was for an MATV system, but this just looks like a house.

6 Replies

390 Views

Last post by Ben Zonia
Mon Mar 23, 2020 7:03 pm
Current Surges Due To Reduced Usage?

Last post by km1125 « Mon Mar 23, 2020 11:06 am
Replies: 1
by CK-722 » Sun Mar 22, 2020 5:43 pm

We just had an appliance blow out. The measured line voltage is 123 volts. Could a surge result from reduced electric usage due to closures?

1 Replies

185 Views

Last post by km1125
Mon Mar 23, 2020 11:06 am
No love for the FCC?

Last post by WOHO « Sat Mar 07, 2020 12:52 am
Replies: 6
by TC Talks » Wed Feb 26, 2020 7:16 pm

Here we are on the FCC's 86th birthday and no well wishes? :razz

6 Replies

577 Views

Last post by WOHO
Sat Mar 07, 2020 12:52 am
How High Would A 250 Watt Translator Have Be To Equal A 3000 Watt Class A?

Last post by TC Talks « Fri Mar 06, 2020 12:33 pm
Replies: 2
by CK-722 » Fri Mar 06, 2020 10:53 am

From the FCC Propagation Curve Application.

A 250 watt translator would have to be at 348 meters or 1142 feet HAAT to equal a 3 kW Class A in...

2 Replies

277 Views

Last post by TC Talks
Fri Mar 06, 2020 12:33 pm
NBC IN ALPENA AREA

Last post by CK-722 « Wed Mar 04, 2020 12:06 am
Replies: 7
by ramboy » Tue Feb 11, 2020 12:59 am

does anyone know if NBC OTR is available near Alpena around the Curran area about 30 miles South East of Alpena I have a cottage there

7 Replies

607 Views

Last post by CK-722
Wed Mar 04, 2020 12:06 am
TV FM Antenna Nostalgia

Last post by k8jd « Fri Feb 28, 2020 12:13 pm
Replies: 12
by CK-722 » Wed Feb 12, 2020 10:43 pm

Channel Master Catalog 1990.

Recent Winegard Page.

12 Replies

926 Views

Last post by k8jd
Fri Feb 28, 2020 12:13 pm
"...mysterious voices, music come from house's walls..."

Last post by Rich F. « Wed Feb 26, 2020 7:38 am
Replies: 4
by SolarMax » Mon Feb 24, 2020 9:04 am

Lockport family says mysterious voices, music come from house's walls; local radio station may be source

Sounds like simple rectification, locating...

4 Replies

446 Views

Last post by Rich F.
Wed Feb 26, 2020 7:38 am
Are You Sure Your "Upgrade" Is Really That Dramatic?

Last post by Willie108 « Tue Feb 25, 2020 7:29 pm
Replies: 2
by CK-722 » Tue Feb 25, 2020 12:31 pm

Frank Roberts explains some of the tricks of the FM Upgrade Trade:

1977 was the year FM came to life in Birmingham. In February, a new transmitter...

2 Replies

368 Views

Last post by Willie108
Tue Feb 25, 2020 7:29 pm
WWJ signal problems? (+ WJR audio distortion)

Last post by k8jd « Sun Feb 23, 2020 2:45 pm
Replies: 79
by SolarMax » Sat Sep 21, 2019 9:58 am
1

2

3

4

5

6
Was trying to listen to WWJ this morning, ahead of the THREE HOUR :eek UM pregame block. Very weak signal, almost overwhelmed by local electrical...
79 Replies

4985 Views

Last post by k8jd
Sun Feb 23, 2020 2:45 pm
Are Section 73.239 and Section 73.635 Being Enforced?

Last post by MWmetalhead « Sat Feb 15, 2020 8:49 am
Replies: 6
by CK-722 » Sun Feb 09, 2020 7:11 pm

Common use of FM and TV towers.

For situations like WLAV-FM, if a competitor makes it difficult to collocate or otherwise relocate, increased...

6 Replies

409 Views

Last post by MWmetalhead
Sat Feb 15, 2020 8:49 am
Radio DX from my work's private plane

Last post by syntheticexctasy « Tue Feb 04, 2020 10:45 am
Replies: 3
by radio stain » Fri Jan 24, 2020 9:59 pm

Over SE Kentucky near the Tennessee line I picked up 104.7 WTUE from Dayton on my radio app on my phone.

Also had 92.5 WBKR from Owesboro/Evansville...

3 Replies

352 Views

Last post by syntheticexctasy
Tue Feb 04, 2020 10:45 am
DXing on Guam

Last post by ftballfan « Mon Feb 03, 2020 9:40 am
Replies: 2
by fuzzpower » Sun Feb 02, 2020 11:54 pm

I’m on Guam for a few days, and this morning spun the AM radio dial in the rental car. I found plenty of stations from other countries, with most...

2 Replies

254 Views

Last post by ftballfan
Mon Feb 03, 2020 9:40 am
Trials of restoring Heathkit DX-35

Last post by audiophile « Sun Jan 26, 2020 8:48 am
Replies: 27
by Ed Joseph » Tue Nov 26, 2019 3:15 pm
1

2
I was given an old DX-35 CW/AM transmitter by a friend. This thing has been sinking my time for the last 2 months.

It had several mods done to it,...
27 Replies

1560 Views

Last post by audiophile
Sun Jan 26, 2020 8:48 am
Most FM Class Changes For A Single Facility

Last post by ftballfan « Thu Jan 16, 2020 8:20 am
Replies: 3
by Ben Zonia » Tue Jan 14, 2020 3:11 pm

I believe WCXT...WHTS holds the record for most Class changes, for changing from Class C, to Class C1, to Class C2, to Class B.

It went from Class C...

3 Replies

367 Views

Last post by ftballfan
Thu Jan 16, 2020 8:20 am
Passive Repeaters On Hilltops

Last post by CK-722 « Wed Jan 15, 2020 3:35 pm
Replies: 8
by CK-722 » Wed Jan 08, 2020 10:45 am

Say you put a high gain YagiLog to receive a signal, then feed it into another high gain YagiLog pointed in the opposite direction on a hilltop. How...

8 Replies

577 Views

Last post by CK-722
Wed Jan 15, 2020 3:35 pm
CCrane FM Transmitter 2

Last post by CK-722 « Tue Jan 14, 2020 5:48 pm
Replies: 11
by bmw » Sat Jan 11, 2020 12:21 pm

I've always wanted one of these but didn't want to spend the $60 retail price. Finally found one used on Ebay for $20 plus shipping so I took a...

11 Replies

655 Views

Last post by CK-722
Tue Jan 14, 2020 5:48 pm

New Topic

213 topics

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum