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Shortwave Radiogram @swradiogram.bsky.social · 6h

Have a blast with tunes from the past!

The Mighty KBC is here to help keep your week rolling along with their most majestic host, Eric van Willegen.

The "Giant Jukebox" cranks up soon at 2300-2400 UTC on 5950 kHz.

A Birthday Radiogram in MFSK64 at ~2330 UTC.

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Sporty Porcupine @sportyporcupine.bsky.social · 1d

Finally (and slightly out of order, chronologically), the 2300z @swradiogram.bsky.social via WRMI 9455 with yet more QSL cards. Thanks again to @radioactiveal.bsky.social for sharing his QSL collection with us!

The first QSL card I received: BBC, United Kingdom, January 22, 1967, 2300-2359 UTC, 9765 kHz.

Deutsche Welle, W. Germany: March 28, 1967, 0135 UTC, 6075 kHz.

Radio Berlin International, E. Germany, July 2, 1967, 0100 UTC, 9730 kHz.

Radio Sofia, Bulgaria, March 30, 1967, 2130 UTC, 9560 kHz.

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Sporty Porcupine @sportyporcupine.bsky.social · 1d

Four excellent QSL card images from the 0800z @swradiogram.bsky.social via WRMI 5850 this morning. From coastal Alabama. I somehow skipped over the 9455 broadcast, so those images may follow up later this evening.

Radio Nederland, Holland, February 2, 1967, 2200-2209 UTC, 15220 kHz.

Radio Denmark, June 14, 1967, 1215-1315 UTC, 15165 kHz.

Radio RSA, South Africa, March 29, 1967, 2337 UTC, 9705 kHz.

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Sporty Porcupine @sportyporcupine.bsky.social · 1d

Five images were decoded from the difficult 1430z @swradiogram.bsky.social via WRMI 9955 kHz. I'm not quite on the beam (off the back), and the weird audio EQ doesn't help. The BBC QSL was the only other image received. From coastal Alabama.

Radio Japan, ”30th Anniversary QSL”, April 9, 1967, 1000-1030 UTC, 9505 kHz.

Radio Canada, February 22, 1967, 2300 UTC, 5990 kHz.

ORU, Brussels, Belgium, September 9, 1968, 9615 kHz.

Radio Clube De Moçambique (Mozambique), 1967, 11780 kHz.

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Pop Shop Radio @popshopradio.bsky.social · 1d

From the deep dark cold night air, @swradiogram.bsky.social 421 -- as heard/seen from WRMI on 5850 at 0800 UT. All images made it!

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RadioActiveAl @radioactiveal.bsky.social · 1d

@swradiogram.bsky.social Four favorites from the overnight broadcast on 5850 kHz. All images came through in excellent condition.
It was a lot of fun producing the show and great to be able to share them!

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Shortwave Radiogram @swradiogram.bsky.social · 1d

It took a couple of hours to figure out how to arrange 13 images, with nine verticals and four horizontals.

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Shortwave Radiogram @swradiogram.bsky.social · 1d

All 13 images from Al Holt's QSL card collection, received during the 0800-0830 UTC broadcast, 5850 kHz from WRMI Florida, via an SDR in Alberta.

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Pop Shop Radio @popshopradio.bsky.social · 2d

As received at Pop Shop Radio headquarters, our very own
@swradiogram.bsky.social 2025-41from WRMI 9395 at 0355 UT

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Pop Shop Radio @popshopradio.bsky.social · 2d

From @bobcatface.bsky.social and his Radio Catface International, Episode 52's @swradiogram.bsky.social playlist

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Bobby Burgess masterplayer30 @masterplayer301.bsky.social · 2d

@popshopradio.bsky.social @swradiogram.bsky.social

youtu.be/UR20EjhzNFc

Pop Shop Radiogram this week via WRMI is captured with a KiwiSDR in Ottawa. Morgan City, LA USA WA5107SWL

#PopShopRadio #MFSK #DigitalModes #SWL #Shortwave #Radio #WRMI

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Shortwave Radiogram @swradiogram.bsky.social · 2d

Tune in the red-eye edition of Shortwave Radiogram, Monday 0800-0830 UTC, 5850 kHz from WRMI Florida.

Al Holt presents the show with images of his 1960s shortwave broadcast QSL collection.

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N2QFD @queencitynerd.bsky.social · 3d

www.tumblr.com/n2qfd/797162... @swradiogram.bsky.social Mighty KBC! #hamradio #mightykbc

Post by @n2qfd · 1 video

💬 0 🔁 0 ❤️ 0 · Mighty KBC Birthday Radiogram. 5950 kHz 0130z

www.tumblr.com

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Pop Shop Radio @popshopradio.bsky.social · 3d

The @swradiogram.bsky.social of John Prine and the #SSTV from the Mighty KBC as received by me from WRMI on 5950 tonite. Pretty crappy, but meh!, still not prime conditions

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Shortwave Radiogram @swradiogram.bsky.social · 2d

During the Sunday 1430-1500 UTC broadcast, 9955 kHz from WRMI Florida, the CBC Shortwave Service (pre RCI) QSL was one of four that decoded here in out-of-target northern Virginia.

Reception was better via SDR in Tennessee, also out-of-target but square in the back of the beam.

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Shortwave Radiogram @swradiogram.bsky.social · 2d

During the Sunday 0900-0930 UTC broadcast, 7780 kHz from WRMI Florida, received via SDR in New Zealand, interesting multipath effects were seen the the 11 of 13 MFSK64 images that decoded. Here are four examples.

This show was produced and presented at radioactiveal.bsky.social

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RadioActiveAl @radioactiveal.bsky.social · 2d

@swradiogram.bsky.social Four images from the broadcast on 9955 kHz as received in northern Florida, USA.
Signal here was very strong. IIRC the digital SNR was not very good.

Artifacts in the images.
My system didn't pick up the RxID to MFSK64 but did get both of the MFSK32 ones.

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Shortwave Radiogram @swradiogram.bsky.social · 2d

9955 *is* odd ...

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RadioActiveAl @radioactiveal.bsky.social · 2d

@swradiogram.bsky.social Looking at my FLDigi waterfall display during the MFSK32 text portion of WRMI's broadcast on 9955 kHz this morning stuck me as odd.
I would think the pattern should be symmetric centered around 1500 Hz.
The 'column' on the left edge doesn't have a match on the right.

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Shortwave Radiogram @swradiogram.bsky.social · 2d

Shortwave Radiogram soon at 1430-1500 UTC on 9955 kHz from WRMI Florida.

See examples of Al's collection of vintage shortwave broadcast QSL cards.

Best reception of 9955 will be in Georgia, Tennessee and thereabouts --- but try elsewhere.

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ATLANTIC DIVISION OF ARRL - Radio Communications @atldivarrl.bsky.social · 2d

TU Al Holt for SWRG Program #421 via WRMI 7780 kHz on Sunday 0900 UTC 12 October 2025 - Good reception and decode of SWL QSLs. swradiogram.net #Shortwave @swradiogram.bsky.social

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ATLANTIC DIVISION OF ARRL - Radio Communications @atldivarrl.bsky.social · 2d

TU Al Holt for SWRG Program #421 via WRMI 7780 kHz on Sunday 0900 UTC 12 October 2025 - Good reception and decode of SWL QSLs. swradiogram.net #Shortwave @swradiogram.bsky.social

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Shortwave Radiogram @swradiogram.bsky.social · 2d

Sunday, The Mighty KBC presents "The Giant Jukebox" with host Eric van Willegen. He'll rock shortwave radio from 1200-1300 UTC with lots of great music on 15770 kHz from WRMI Florida.

A Birthday Radiogram in MFSK64 at ~1230 UTC.

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Pop Shop Radio @popshopradio.bsky.social · 3d

From WRMI on 9455 at 2300, @swradiogram.bsky.social 421 as received by me. Image number 2 didn't make it., so 12 out of 13

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ATLANTIC DIVISION OF ARRL - Radio Communications @atldivarrl.bsky.social · 2d

Get up early for 'SWL Dawn Patrol' on Sunday 0900 UTC / 0500 EDT with Al Holt @SWRadiogram Program 421 swradiogram.net via WRMI Okeechobee FL on 7780 AM kHz to 222° Zone NAM using LP Antenna: TCI516 [https://antenna.be/tci-515516.pdf] @swradiogram.bsky.social #SHORTWAVE @radioactiveal.bsky.social

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