Engineering & DX'ing

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Last post by Turkeytop « Wed Apr 01, 2020 7:42 pm
Replies: 35
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...
35 Replies

1714 Views

Last post by Turkeytop
Wed Apr 01, 2020 7:42 pm
y'think this might be true? (AM DX)

Last post by Ben Zonia « Wed Apr 01, 2020 5:30 pm
Replies: 4
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...

4 Replies

115 Views

Last post by Ben Zonia
Wed Apr 01, 2020 5:30 pm
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

834 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

236 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

425 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

274 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

124 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

460 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

203 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

468 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

820 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

370 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

308 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
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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

4468 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

351 Views

Last post by MWmetalhead
Sat Feb 15, 2020 8:49 am
DIY antenna designs for attic?

Last post by CK-722 « Tue Feb 11, 2020 4:59 pm
Replies: 13
by km1125 » Fri Jan 03, 2020 7:18 pm

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...

13 Replies

831 Views

Last post by CK-722
Tue Feb 11, 2020 4:59 pm
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

298 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

197 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
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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

1348 Views

Last post by audiophile
Sun Jan 26, 2020 8:48 am
Most distant AM/FM/TV signal you ever tuned in?

Last post by n8fnr « Sat Jan 18, 2020 4:38 pm
Replies: 56
by mtburb » Wed Mar 27, 2019 10:05 pm
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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,...
56 Replies

4911 Views

Last post by n8fnr
Sat Jan 18, 2020 4:38 pm
WLNS/WLAJ RF14

Last post by ftballfan « Fri Jan 17, 2020 10:40 am
Replies: 3
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...

3 Replies

319 Views

Last post by ftballfan
Fri Jan 17, 2020 10:40 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

299 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

491 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

577 Views

Last post by CK-722
Tue Jan 14, 2020 5:48 pm
Massive WOMC interference in Brighton

Last post by paul8539 « Sat Jan 04, 2020 4:36 pm
Replies: 19
by Mega Hertz » Sat Dec 28, 2019 3:45 pm
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WOMC was getting its ass kicked by WCZY My 104.3 in Mt. Pleasant. Rather strange occurrence as WOMC is usually a steady reception.
19 Replies

1142 Views

Last post by paul8539
Sat Jan 04, 2020 4:36 pm
WWV and another adjacent station

Last post by paul8539 « Sat Jan 04, 2020 4:28 pm

by paul8539 » Sat Jan 04, 2020 4:28 pm

On New Years Eve just before 7PM, I tuned into WWV on 5 MHZ to listen to the new year turnover, 2355 DEC 31 to 0003 JAN 1. At 2359, some strong...

0 Replies

275 Views

Last post by paul8539
Sat Jan 04, 2020 4:28 pm
Realistic DX 370

Last post by Turkeytop « Sat Dec 28, 2019 9:00 pm
Replies: 4
by Turkeytop » Fri Dec 20, 2019 8:29 pm

This is coming up on 25 years old next week. My wife gave it to me for Christmas back in 1994.

That was a big deal. We were pretty hard up back...

4 Replies

414 Views

Last post by Turkeytop
Sat Dec 28, 2019 9:00 pm
Reception of others' portable FM transmitters

Last post by cckadlec « Wed Dec 25, 2019 12:20 pm
Replies: 1
by bmw » Tue Dec 24, 2019 4:09 pm

So yesterday I was driving down US-23, flipping through the stations, and I heard a dead carrier on 107.3 FM. Complete silence, quite strong signal,...

1 Replies

278 Views

Last post by cckadlec
Wed Dec 25, 2019 12:20 pm
Lake Michigan FM Bandscans

Last post by cckadlec « Sun Dec 22, 2019 7:27 am
Replies: 20
by cckadlec » Sun Sep 29, 2019 11:36 pm
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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...
20 Replies

1279 Views

Last post by cckadlec
Sun Dec 22, 2019 7:27 am
Tower In Clarkston M-15 and Dixie Highway

Last post by CK-722 « Sun Dec 15, 2019 2:40 pm
Replies: 3
by CK-722 » Fri Dec 13, 2019 11:48 pm

There's a fairly new self supporting tower behind Bowman Chevrolet In Clarkston at M-15 and Dixie Highway. It is probably about 120 feet high. The...

3 Replies

459 Views

Last post by CK-722
Sun Dec 15, 2019 2:40 pm
HD Radio Sync

Last post by audiophile « Mon Dec 09, 2019 6:28 am
Replies: 2
by WOHO » Sun Dec 08, 2019 6:26 pm

Drove through Downriver Friday night playing around to see how long, if at all, I could hold HD lock on the FM's (as even WWJ couldn't stay locked,...

2 Replies

264 Views

Last post by audiophile
Mon Dec 09, 2019 6:28 am
Realistic DX 160

Last post by Ed Joseph « Sun Dec 08, 2019 6:24 pm
Replies: 8
by Turkeytop » Fri Nov 01, 2019 9:38 pm

This was another one I lusted after, back in the day. Early 1970s after I was married.

It sold for about $150. Far more than a week's pay. I...

8 Replies

659 Views

Last post by Ed Joseph
Sun Dec 08, 2019 6:24 pm
Heahkit MR-18 Direction Finder

Last post by CK-722 « Sat Dec 07, 2019 9:57 am

by CK-722 » Sat Dec 07, 2019 9:57 am

Also, an interesting map of triangulation using WMAQ, WTMJ, and WHFB. Boaters have long been on the forefront of navigation toys.

0 Replies

255 Views

Last post by CK-722
Sat Dec 07, 2019 9:57 am
Lake Huron FM Bandscans

Last post by CK-722 « Thu Dec 05, 2019 12:40 pm
Replies: 13
by cckadlec » Sun Nov 24, 2019 7:18 pm

I will post some of the bandscans from the shores of Lake Huron and Georgian Bay in this space. While the scans are finished, the content has not yet...

13 Replies

575 Views

Last post by CK-722
Thu Dec 05, 2019 12:40 pm
Anybody Have Any Experience With Fixing d'Arsonval Signal/Battery Strength Meters/Circuits?

Last post by WOHO « Wed Dec 04, 2019 5:02 pm
Replies: 4
by CK-722 » Tue Dec 03, 2019 2:49 am

Got a used Sony Portable on eBay. It works well considering it is nearly 50 years old. I had a similar Sony Portable with a similar issue-the...

4 Replies

256 Views

Last post by WOHO
Wed Dec 04, 2019 5:02 pm
Tecsun PL880 Tuning Tips

Last post by Turkeytop « Sat Nov 30, 2019 8:02 pm
Replies: 5
by CK-722 » Sat Nov 30, 2019 10:03 am

The Tecsun PL880 has a fine tuning control. On FM BC, rather than the typical 200, 100, or 50 kHz steps, the fine tuning is in 10 kHz steps. This...

5 Replies

272 Views

Last post by Turkeytop
Sat Nov 30, 2019 8:02 pm
WWV Time To Turn The Clocks Back

Last post by n8fnr « Fri Nov 29, 2019 11:45 pm
Replies: 15
by CK-722 » Sun Nov 03, 2019 2:31 am
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Time to turn back time. Headed to get the portable SW to tune in WWV.
15 Replies

996 Views

Last post by n8fnr
Fri Nov 29, 2019 11:45 pm
Metro Detroit CB

Last post by Mike Oxlong « Fri Nov 29, 2019 5:07 am
Replies: 28
by syntheticexctasy » Mon Nov 05, 2018 10:05 am
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Feel free to remove if discussing in the wrong forum...

I recently dusted off my old CB and antenna and have been listening a lot, talking a bit....
28 Replies

3597 Views

Last post by Mike Oxlong
Fri Nov 29, 2019 5:07 am
FCC to allow All-Digital on AM Band

Last post by n8fnr « Thu Nov 28, 2019 10:42 pm
Replies: 14
by RingtailedFox » Sat Nov 23, 2019 3:26 pm

Looks like the experiment led by WWFWD (AM 820 Frederick, Virginia) was a success... and definitely interesting enough to have the FCC take a deeper...

14 Replies

748 Views

Last post by n8fnr
Thu Nov 28, 2019 10:42 pm
Allendale, MI AM bandscan (midday 11/17/19)

Last post by ftballfan « Mon Nov 18, 2019 5:06 pm

by ftballfan » Mon Nov 18, 2019 5:06 pm

540 – WAUK Jackson, WI
560 – WIND Chicago, IL
580 – WILL Urbana, IL
580 – WTCM Traverse City, MI
590 – WKZO Kalamazoo, MI
610 – very weak (likely...

0 Replies

296 Views

Last post by ftballfan
Mon Nov 18, 2019 5:06 pm
Mini DXpedition 2019

Last post by Turkeytop « Tue Nov 05, 2019 4:29 pm
Replies: 7
by Turkeytop » Sun Oct 27, 2019 9:46 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 take along a radio or two and some...

7 Replies

532 Views

Last post by Turkeytop
Tue Nov 05, 2019 4:29 pm
Your best ever car radio?

Last post by Rich « Tue Nov 05, 2019 5:21 am
Replies: 61
by bmw » Sat Aug 24, 2019 10:53 pm
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Of all the car radios you have ever owned, which one was your favorite?

As for stock radios, my favorite was the one in my parent's car when I was...
61 Replies

3782 Views

Last post by Rich
Tue Nov 05, 2019 5:21 am
Heathkit Mohican

Last post by k8jd « Sat Nov 02, 2019 1:11 pm
Replies: 10
by Turkeytop » Tue Oct 29, 2019 10:15 pm

Back in the late 60s I wanted this so bad, but couldn't even dream about it. $89 was more than a week's pay for me and I didn't have a nickel to...

10 Replies

638 Views

Last post by k8jd
Sat Nov 02, 2019 1:11 pm
Lake Superior FM Bandscans

Last post by cckadlec « Mon Oct 28, 2019 9:08 pm
Replies: 4
by cckadlec » Fri Oct 25, 2019 4:54 pm

I will post a handful of Lake Superior bandscans from this summer in this thread. Only Michigan scans were conducted this summer either as repeats at...

4 Replies

418 Views

Last post by cckadlec
Mon Oct 28, 2019 9:08 pm
WJR-WWJ Daytime Groundwave vs. Distance Comparison

Last post by CK-722 « Sat Oct 26, 2019 4:33 pm
Replies: 20
by Rich » Sun Oct 20, 2019 11:40 am
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Below is a comparison of the daytime groundwave fields of WJR and WWJ* for a range of 10 to 60 radial miles from their respective transmit sites....
20 Replies

1105 Views

Last post by CK-722
Sat Oct 26, 2019 4:33 pm
Fleming Valves...

Last post by CK-722 « Wed Oct 23, 2019 11:06 am
Replies: 15
by CK-722 » Sun Oct 20, 2019 12:28 pm
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Fleming Valves? Or A Far Out Cosmic Alien Girl Group?
15 Replies

731 Views

Last post by CK-722
Wed Oct 23, 2019 11:06 am
WWJ in Kentucky

Last post by TheForce « Sat Oct 19, 2019 8:38 pm
Replies: 4
by paul8539 » Tue Oct 15, 2019 8:23 pm

I was coming back from a conference last month in Tennessee, and I was tuning around the AM radio in the car. I managed to pick up WWJ, not 100%, but...

4 Replies

503 Views

Last post by TheForce
Sat Oct 19, 2019 8:38 pm
SHortwave pirate stations

Last post by paul8539 « Tue Oct 15, 2019 8:25 pm
Replies: 31
by Ed Joseph » Wed Jul 03, 2019 10:20 pm
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They have really been active lately! I just got back into the SWL hobby after a decade off. I've never heard more pirates on SW in my life! At least...
31 Replies

2531 Views

Last post by paul8539
Tue Oct 15, 2019 8:25 pm
FCC FM auction on April 28, 2020

Last post by Colonel Flagg « Mon Oct 14, 2019 5:06 pm
Replies: 4
by MWmetalhead » Fri Oct 11, 2019 7:05 am

Allotments in or near Houghton, Mt. Pleasant (Lake Isabella), Ludington (Custer), Manistee (Onekama), Menominee (Carney), and Bad Axe (Pigeon) are on...

4 Replies

589 Views

Last post by Colonel Flagg
Mon Oct 14, 2019 5:06 pm
Fillings

Last post by CK-722 « Sat Oct 12, 2019 11:50 pm
Replies: 6
by sfpcc » Thu Oct 10, 2019 10:43 pm

I'm probably risking a lot of flak for posting this but what the heck. There was an episode of Gilligan's Island where Gilligan received radio...

6 Replies

504 Views

Last post by CK-722
Sat Oct 12, 2019 11:50 pm

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