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Alex KR1ST/PA1ST @kr1st.bsky.social · 06/01/2026

Just in case you weren't aware yet, 6m is open in North America. #Hamradio #AmateurRadio #hamr #6m #FT8

PSKReporter screenshot showing stations receiving KR1ST on 6m FT8.

Alex KR1ST/PA1ST @kr1st.bsky.social · 04/01/2026

It doesn't look like it, but I worked my best DX on 70cm today. My signal traveled 448,000 miles, or 717.000km, to cover a distance of just 149 miles (238km) for my first EME QSO. 😀

PSKReporter screenshot showing the 70cm Q65 QSO between KR1ST and NC1I on a map.

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Alex KR1ST/PA1ST @kr1st.bsky.social · 25/12/2025

My wife got me a new FM rig for KR1STmas! 😂 #hamradio #hamr #AmateurRadii

Small ceramic Xmas tree next to a ceramic snowman. In front of it is a mini FM radio that's about 2 inches tall

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Alex KR1ST/PA1ST @kr1st.bsky.social · 20/12/2025

I got the 80th and final edition of the WRTH book in the mail yesterday. So sad it will not appear in print anymore. #AmateurRadio #Hamradio #hamr #SWL #ShortWave

Cover of the 80th anniversary edition of the World Radio TV Handbook.

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Reposted by Alex KR1ST/PA1ST

Jim "Ham on a Bike" @n4jaw.bsky.social · 13/04/2025

Not sure what, if anything the current #Iss crew has done but my current reception of #SSTV images are the clearest I've ever received. Thanks #NASA and @arissintl.bsky.social #ariss #AmateurRadio #HamRadio

04/13/2025 1235 UTC SSTV image received by N4JAW over EM78 Louisville, KY. USA.

04/13/2025 1240 UTC SSTV image received by N4JAW over EM78 Louisville, KY. USA.

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Alex KR1ST/PA1ST @kr1st.bsky.social · 12/04/2025

Just received these two SSTV images from the ISS on 145.8 MHz at 13:30 UTC (4/12/2025 09:30 EDT). #ARISS #ARISS_SSTV #Hamradio #AmateurRadio

SSTV image 9 of 12 as received from the ISS on 04/12/2025 at 13:27 UTC.
"Humans in Space"
"First Human Tended Space SSTV"

SSTV image 10 of 12 as received from the ISS on 04/12/2025 at 13:431 UTC.
"Humans in Space"
"First Ham Expedition"

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Alex KR1ST/PA1ST @kr1st.bsky.social · 11/04/2025

Two more images (11 and 12 of 12) from the ISS on a 10 degree maximum elevation pass. #ARISS #ISS #ARISS_SSTV #AmateurRadio #Hamradio

SSTV image 11 of 12 as received from the ISS on 04/11/2025 at 20:44 UTC.
"Humans in Space"
"First ISS Spaceflight Participant"

SSTV image 12 of 12 as received from the ISS on 04/11/2025 at 20:48 UTC.
"Humans in Space"
"Last Shuttle Ham Commander"

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Reposted by Alex KR1ST/PA1ST

Jim "Ham on a Bike" @n4jaw.bsky.social · 11/04/2025

1st capture of @arissintl.bsky.social #SSTV Series 26: Humans in Space 4/11/25 1905 UTC over EM78 Louisville, KY USA #AmateurRadio #HamRadio #ARISS #Iss #NASARadioClubs #issfanclub

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Alex KR1ST/PA1ST @kr1st.bsky.social · 20/02/2025

Awesome! I just received the #ARISS #SSTV Award by email. Thanks @arissintl.bsky.social !!

Amateur Radio on the International Space Station
ARISS SSTV Award
No 24033

Alex KR1ST
Received SSTV images from the ISS broadcast of the Fram2Ham exercise for the planned FRAM2 space mission. The images were sent via an Amateur Radio system on 437.550 MHz, installed on the Russian segment of the International Space Station.

RV3DR

ARISS International Chair
Frank Bauer KA3HDO

ARISS Europe Chair
Oliver Amend DG6BCE

SSTV Gallery Operations Coordinator
Will Marchant KW4WZ

Mentor ARISS Europe
Armand Budzianowski SP3QFE

ARISS SSTV Award Manager
Slawomir Szymanowsky SQ3OOK

RS0ISS/NA1SS

February 13-17, 2025

Fram2Ham SSTV Simulation on the International Space Station

Fram2Ham Test
Showing the original Fram ship.
RS0ISS Series 24 Slide 9/12 NA1SS

Fram2Ham Test
Showing Russian Cosmonaut at the ham radio station aboard the ISS
RS0ISS Series 24 Slide 10/12 NA1SS

Fram2Ham Test
Showing Antartica
RS0ISS Series 24 Slide 8/12 NA1SS

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Alex KR1ST/PA1ST @kr1st.bsky.social · 16/12/2024

After lunch with some former university coworkers in downtown Scranton I decided to do an impromptu #POTA activation this afternoon from the Steamtown National Historic Site, US-0864. #hamradio #AmateurRadio

Reading Lines steam locomotive at Steamtown National Historic Site in Scranton, PA

Pacific Union steam locomotive at Steamtown National Historic Site in Scranton, PA

QSO map with pins in the states and provinces that I worked.

Inside look of the car with the 706 to the right and a laptop desk attached to the steering wheel with laptop and headset to the left.

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Alex KR1ST/PA1ST @kr1st.bsky.social · 14/12/2024

SONATE-2 SSTV (Martin 1) images as received on 145.880 MHz at the 20:09UTC pass this afternoon. I was too late to correct the slant on the first image, but was able to do so on the second image. Something hosed up the transmission of the 2nd image. No interference. #hamradio #AmateurRadio

Alt text

SONATE-2 SSTV (Martin 1) image as received on 145.880 MHz. I was too late to correct the slant in MMSSTV.

SONATE-2 SSTV (Martin 1) image as received on 145.880 MHz. I was able to correct the slant this time, but something happened halfway during the transmission that hosed up the image. Shown are some clouds over North America.

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Alex KR1ST/PA1ST @kr1st.bsky.social · 14/12/2024

To find out where to look in the sky for meteors, or where to aim your beam for #MeteorScatter, try the old Virgo app (Windows and Linux) maintained by DB1BM and DL8AAU: www.dl1dbc.net/Meteorscatte... You do have to enter your grid every time you start it, unfortunately. #hamradio #AmateurRadio

Screenshot of the Virgo app. It shows where the meteor storms are originating from in the sky. At this time it shows the Geminids setting in the NW. The compass dial is showing lines indicating where to aim the antenna, SW or NE in this case for the Geminids.

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Alex KR1ST/PA1ST @kr1st.bsky.social · 13/12/2024

It's a rockin' night on 2m! I just worked KB8W (751mi, 1202km) on 2m Meteor Scatter (144.150MHz, MSK144). #hamradio #AmateurRadio

PSKReporter screenshot showing KB8W receiving me at +4dB on 144.150MHz MSK144.

WSJT-X Fast Graph image of a nice meteor scatter ping I received from KB8W

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Alex KR1ST/PA1ST @kr1st.bsky.social · 02/12/2024

This is a recording I just made of the #ISS school contact with Woodland Middle School in South Carolina today: youtu.be/J_K_woB1aaQ The excellent questions the students asked are in the description of the video. #ARISS #hamradio #AmateurRadio

youtu.be

Woodland Middle School ISS Contact 12-02-2024

YouTube video by The Ham Lab

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Alex KR1ST/PA1ST @kr1st.bsky.social · 25/11/2024

If you notice that it seems like the pi-star dashboard stops displaying Gateway Activity and Local RF Activity but is otherwise working just fine, check the disk usage of /var/log. If it's at 100% check the FileLevel logging for the gateways and make sure it's set to 0 and reboot. #hamradio #hamr

Screenshot showing the results of "df -h". It's showing that only 1% is used by /var/log now, but this was at 100% when I discovered the problem.

Screenshot of the Configuration>Expert>DMR GW page of the pi-star dashboard showing the FileLevel set to zero in the "Log" section.

This was set to "1" which means that every byte going across the gateway gets logged filling up valuable disk space.

I probably fat-fingered this myself. :)

Of course, this may also happen for gateways other than the DMR gateway.

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Alex KR1ST/PA1ST @kr1st.bsky.social · 22/11/2024

It's snowing alright! youtube.com/shorts/1-ckq... That explains why the SWR on my antennas are slightly less than ideal tonight. 😄 #hamradio #AmateurRadio

youtube.com

Snow Covered Antennas 11/21/2024

YouTube video by The Ham Lab

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Alex KR1ST/PA1ST @kr1st.bsky.social · 18/11/2024

Last night's loot from #ISS #SSTV passes. I caught three passes, but the images were pretty much the same on each pass. #hamradio #AmateurRadio #ARISS #ARISS_SSTV

Owen, W5FLF, Operates Ham Station from the Space Shuttle Columbia

Sergey Samburov, RV3DR and Owen, W5LFL, prior to Richard Garriott's flight to ISS

Both Owen Garriott, W5LFL and his son Richard, W5KWQ, made amateur radio contacts from space

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Alex KR1ST/PA1ST @kr1st.bsky.social · 17/11/2024

Woohoo! Just worked W4QWZ in TB on 2m FT8 (697mi, 1115km). I'm really just on the outskirts of the tropo activity this morning, which you can tell from the many attempts to complete the QSO. I was hearing N4QWZ just fine, but he must have had a hard time hearing me. Story of my life. 😁 #hamradio

WSJT-X screenshot showing the 2m FT8 QSO between N4QWZ and me. It took many attempts to complete the QSO, but it worked out in the event.

PSKReporter screenshot showing tropo activity in the eastern part of the US, mostly from the deep south to Ohio, Pennsylvania and New York.

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Alex KR1ST/PA1ST @kr1st.bsky.social · 16/11/2024

This past Wednesday I attended an excellent RATPAC Zoom presentation by Ward Silver, N0AX, on the #EFHW antenna: youtu.be/rBZx7Z77yoQ?... RATPAC kindly makes recordings and slides of all the presentations they hosted available at: www.ratpac.us/zoom #AmateurRadio #Hamradio

youtu.be

End-Fed Half-wave Antennas ~ 10/13/2024

YouTube video by RATPAC Amateur Radio

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Alex KR1ST/PA1ST @kr1st.bsky.social · 16/11/2024

Awesome! I worked KC9ELU on the AO-7 satellite on the 11/15/2024 22:00UTC pass today on the satellite's 50th anniversary in space. What a bird! www.amsat.org/amsat-ao-7-a... #AO7 #satellite #amsat #hamradio #AmateurRadio

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