RF_SATCOM

[Julian OH8STN @OH8STN]

Hello Operators

Radio Antenna Handbook for SHTF is now available on Amazon Kindle.

This handbook brings together the antenna systems covered throughout my field work and organizes them into a structured, practical reference. The focus is deployment under real conditions: limited power, limited supports, difficult terrain, harsh weather, and time constraints.

Inside you’ll find:

Practical dipole, OCFD, and EFHW deployments
NVIS configuration guidance for 80 m, 60 m, and 40 m
Portable vertical systems and shortened field antennas
Counterpoise management and ground considerations
Troubleshooting tools and field diagnostics
A physics-based look at 11-meter CB antennas and how to build them correctly
The emphasis is on selecting the right antenna for the mission, understanding trade-offs, and achieving repeatable results in the field.

If you operate HF or 11-meter CB and want a clear, pragmatic guide to antenna deployment in off-grid or emergency conditions, the Kindle edition is available now.

As is often the case, I’ll be fine-tuning the manuscript over the next few days before publishing the paperback. A print-ready PDF will also be published through Patreon and Ko-fi.

Europe: https://t.co/TGu8TMNgVi
USA: https://t.co/mSCmWFlPew

73
Julian OH8STN
#oh8stn #hamradio

[RF_SATCOM @rf_satcom]

@shoptemu this isn’t a support issue, this is your marketing department problem. Every time I open your app to buy something I have to exit at least 5-10 various offers, coupons, spinwheels and what not. It literally just doesn’t allow me to buy stuff before I see all the ads.

[RF_SATCOM @rf_satcom]

@cemaxecuter Needs a bigger screen! in fact two, like those “cheap” usb c powered 15 inch ones 🤘

[RF_SATCOM @rf_satcom]

@sama Especially on phones when reading a response it would be superb if checkbox appears over each paragraph on mouse / touch to quote just that section and chat. about it. And then it should allow users to ask multiple questions *during* response being generated. Thanks @sama

[RF_SATCOM @rf_satcom]

In app ads for @shoptemu are an abomination. They literally force me to wait for 30-60 seconds watching fake wheels and games until I can use the app. In most cases I just close the app and NOT order whatever I wanted in the first place.

[RF_SATCOM @rf_satcom]

@elonmusk @naomiseibt In the whole EU really. What if I told you pro- BREXIT NGO’s were funded by EU 🙃

[RF_SATCOM @rf_satcom]

Does anyone else accidentally searches for @shodanhq when trying to open Shazam on their phone 🙃 #infosecproblems

[RF_SATCOM @rf_satcom]

@nzyme_defense gotcha, thanks! I will report back the results

[RF_SATCOM @rf_satcom]

hey @nzyme_defense could I use Ubuntu 20.04 LTS for your deployment? I have routers running on it and want to try out your solution!

[RF_SATCOM @rf_satcom]

WRT @Apple security - having to choose between face ID OR passcode is a bad security practice. Why not both?

[RF_SATCOM @rf_satcom]

The amount of FUD about this is getting ridiculous. Starlink doesn’t work in Russia. But guess what, if you stick it on a rocket that flies *outside* of Russia, it may work.

[Anton Gerashchenko @Gerashchenko_en]

⚡️Russia has installed Starlink on Shahed-136 drones: it gives unlimited communication range for drones flying at 2,000 km - Defense Express

The drone was shot down by Ukraine's Armed Forces during last night's attack.

With the help of Starlink, Russia can use Shahed drones as an extremely long-range loitering munition with the ability to conduct reconnaissance checks, thanks to an additional camera, and hit even moving targets.

Source: https://t.co/4HXLRFPmQb

[RF_SATCOM @rf_satcom]

@MichaelSteele @elonmusk The same way how someone buys a gun on a black market.

[RF_SATCOM @rf_satcom]

@vxunderground I miss the old hdd sounds… maybe, just maybe even old modems. (but not always)

[RF_SATCOM @rf_satcom]

@elonmusk Why even bother with banning if it can be circumvented 🤷‍♂️

[RF_SATCOM @rf_satcom]

@vxunderground Creepy… but long time ago, booth babes at conferences were a thing.

[RF_SATCOM @rf_satcom]

@hackaday Less wardriving lately, more warhiking around mountains with interesting antennas 🙃

[RF_SATCOM @rf_satcom]

@patrickwardle @objective_see Thank you for your response and clarification!