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Max / KJ4WNA

@jisuanqi

Radio and languages and food. Español, 中文, Русский язык

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06.01.2024
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Latest posts by Max / KJ4WNA @jisuanqi

Numbers stations were and still are used for actual passing of traffic to agents from all sorts of nations. The idea that everyone could hear them on a regularly scheduled time was just to throw counterintelligence for a loop.

09.03.2026 21:46 👍 0 🔁 0 💬 0 📌 0

I've been super slammed to count them all up and I need to get the other logs from my other control operator and look through them, but I'd say, given other activities (some scouts had to go cook, get a fishing merit badge, etc) they probably put together about 50 or so contacts.

06.03.2026 01:19 👍 1 🔁 0 💬 1 📌 0

The K6B special event went well today. We got 16 scouts their radio merit badges. Thanks to everyone who contacted us! #k6B #hamradio #amateurradio

01.03.2026 01:35 👍 5 🔁 0 💬 1 📌 0
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Houston, TX Scounting America Troop 642 special event station K6B will be on the air Sat. Feb 28 from the monthly campout. Start time TBD, but we're shooting for 19:30-20:00 UTC.
Get on the air and help some scouts earn their radio merit badges! #hamradio #amateurradio

www.qrz.com/db/K6B

27.02.2026 03:08 👍 2 🔁 0 💬 1 📌 0

Houston Texas Scouting America Troop 642 will have the Radio Merit Badge course next week. On Saturday Feb 28, starting around 19:00 UTC, the troop will be on the air at their campout as special event station K6B. Get on the air and help some scouts get their merit badges! #hamradio #amateurradio

20.02.2026 04:24 👍 1 🔁 0 💬 0 📌 0
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Back from a two week work trip in Germany, immediately headed back out to camp with my son and his scout troop. It was 22F out last night and I still managed to make some decent contacts. #amateurradio #hamradio

01.02.2026 16:42 👍 0 🔁 0 💬 0 📌 0

One day....

12.01.2026 17:45 👍 1 🔁 0 💬 0 📌 0

Sweet! I'm going to check it out now. Thanks!

06.01.2026 19:34 👍 1 🔁 0 💬 1 📌 0

Any time! It's been a lot of fun seeing what's out there!

06.01.2026 03:41 👍 1 🔁 0 💬 1 📌 0

I just went through my junk boxes and put it together. I need a proper antenna. I'm just using the telescopic whip that came with the RTL SDR. There's a lot I am missing, for sure.

02.01.2026 23:51 👍 2 🔁 0 💬 1 📌 0
Preview
GitHub - smittix/intercept Contribute to smittix/intercept development by creating an account on GitHub.

I was just browsing around and found this project on github. I set up an old raspberry pit zero w and an old RTL SDR I had lying around the shack and have been monitoring all sorts of stuff. ADSB, weather stations in the neighborhood, and even TPMS sensors on nearby cars.
github.com/smittix/inte...

02.01.2026 21:35 👍 7 🔁 0 💬 3 📌 0

That's where I got the screenshot of the map from. It's all I use on POTA activations. It's pretty great.

01.01.2026 04:41 👍 0 🔁 0 💬 1 📌 0

Yes, the POTA app is great for telling people where I am, but just in general, breaking a pileup requires some strategy on the hunter too. Just a tap of the dial to one side of the listed frequency, maybe .1 or .2 off will make you stand out from the single tone of a dozen ops all calling at once.

30.12.2025 17:48 👍 2 🔁 0 💬 1 📌 0
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Took yesterday afternoon to do another #POTA activation at US-3511. Beautiful day, bands were good. If only people would try not to zero beat my frequency with CW. Plenty of times I was left trying to find even one character in a call. #hamradio #amateurradio #parksontheair

30.12.2025 00:16 👍 5 🔁 0 💬 3 📌 0

While there is definitely a significant percentage of old Fox News boomers on the ham bands, the vast majority of older hams I've had contacts with (in person or on the air) have been just incredible fountains of knowledge about the hobby.

24.11.2025 01:38 👍 1 🔁 0 💬 0 📌 0
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Camping with my sons scout troop this weekend. Woke up and got on the air this morning. Not bad for a Sunday morning. #hamradio #amateurradio

16.11.2025 17:26 👍 3 🔁 0 💬 0 📌 0

It sure was. The weather was amazing, and I was able to take the ferry on the way home. A day off well spent, for sure.

12.11.2025 00:00 👍 0 🔁 0 💬 0 📌 0

I also worked 2 different hams in the other side of the park, N0XRG and KF5QYG. We did some 6 meter park-to-park contacts. Never had the p2p be the same park before.

11.11.2025 23:38 👍 1 🔁 0 💬 1 📌 0
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I went back to San Jacinto , US-3511 today. Same general results. However, as I was taking some time to hunt park-to-park, I managed to hear 9U1RU in Burundi on 17 meters in blazing fast CW. So I upped my keyer speed, said a prayer, and got through. #POTA #hamradio #amateurradio

11.11.2025 23:32 👍 2 🔁 0 💬 1 📌 0
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I had the day off and the weather was great. I went to US-3511, the San Jacinto Battleground, to do a POTA activation. 108 QSOs isn't too bad. #POTA #hamradio #amateurradio

11.11.2025 00:40 👍 5 🔁 0 💬 0 📌 0
Preview
US agency votes to tighten restrictions on Chinese tech companies deemed threats The Federal Communications Commission on Wednesday voted to tighten restrictions on telecommunications equipment made by Chinese companies deemed national security risks, the latest in a series of U.S. actions targeting Beijing.

One, I don't know why you're super hostile about this. Two, that video talks about ham radios, but if you look up what the FCC is doing, it's not that. It's concerning telecom devices produced by certain Chinese manufacturers.

www.reuters.com/business/med...

29.10.2025 02:48 👍 0 🔁 0 💬 0 📌 0

This doesn't appear to be banning ham radios though. It's more for things like network infrastructure, cameras, etc. that can potentially be accessed by bad actors.

28.10.2025 20:23 👍 1 🔁 0 💬 2 📌 0

When does this ban happen? I just received a couple radios directly from China.

28.10.2025 18:03 👍 2 🔁 0 💬 2 📌 0

It's still a thing. Last Saturday, I got on the air and talked to people in Canada, the Canary Islands, Cuba, Colombia, and all over the US.

24.10.2025 01:21 👍 0 🔁 0 💬 0 📌 0

Likewise, Chris! See out out there again soon, hopefully!

19.10.2025 03:21 👍 1 🔁 0 💬 0 📌 0

Haha cool! Hope you had as good an activation as I did! 73 and thanks again for the QSO!

19.10.2025 03:16 👍 1 🔁 0 💬 1 📌 0
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I've been so busy thatI haven't been on the air in three months. I went out to the San Jacinto Batlleground US-3511 and did an activation. #amateurradio #POTA #hamradio

18.10.2025 22:49 👍 6 🔁 1 💬 1 📌 0

Yep, I've sometimes used a mag mount 2m whip on a cookie sheet with really good results.

08.10.2025 02:13 👍 1 🔁 0 💬 0 📌 0

Ham (it's just "ham", by the way) radio has a large learning curve, especially for coordinated efforts like that. You also need a license to legally transmit on the ham bands.

If you want to do something like that, a mesh network like meshtastic would work better. It can be encrypted, too.

04.10.2025 00:38 👍 6 🔁 0 💬 0 📌 0
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Program 417 of the @swradiogram.bsky.social . Good reception tonight, and I was actually able to sit down and listen!
#shortwaveradio

12.09.2025 00:11 👍 5 🔁 1 💬 0 📌 0