Stable Diffusion

The latest developments in AI are, for the lack of a better word: awesome. And before I spend to much time on describing what I tried and what I achieved and with how little effort I did all this, I let AI do it! ChatGPT the stage is yours: Let me give you a concrete…

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IceConeFeed v2.1 on DATV

Dieter DC6EH aus Kempen berichtet über den Einsatz vom IceConeFeed v2.1 bei DATV: “Die ersten Empfangsversuche sind sehr positiv verlaufen. Nachdem ich die Ice Cone V2 gegen die neue V2.1 getauscht habe, gab es auf DATV eine Verbesserung um +0,8 dB – 0,7 dB. Meine Bedingungen waren der Empfang der DATV-Bake ohne weitere Sendesignale auf…

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UPDATE: IceConeFeed v2.1

After many inquiries from the HAM community for updating the IceConeFeed design parameters a new version will be released soon is now available (purchase here). Key features are optimized helix dimensions to achieve a lower SWR and also reduce the LNB shadow in order to increase reception gain. See below the comparison between the 3.5…

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L-Band WebSDR

The new 3D printed L-Band antenna is now live feeding a web SDR that can be received here. You can interactively operate the L-Band feed which is currently located at JN58UA and pointed at Alphasat 25E. Lots of data streams, aircraft telemetry etc. are visible. Select a center frequency from receiver drop down menu low…

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Hail storm damage

The severe hail storm around the Bari area / Italy on Aug 19 destroyed car windows and Ice Cone Feeds like this one. Should this happen to you, please order a replacement radome or re-print one yourself.  

Sun spot spotting

Sun spot activity currently ramping up. Time to take out the telescope and go for some early evening sun spotting from the balcony. A note of WARNING and DISCLAIMER: only use certified sun filter foil, I am using Seymour Solar Filter, grade ND5, available here. Be responsible and operate on your own risk. Telescope equipped…

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Recensione in Italiano

IVAN, IS0DCR, was so kind to do a review of nolle.engineering including QO100 IceConeFeed for all Italian OMs, enjoy:

3D Printer Stepper Motor Failure

This is definately a first. Seeing all kinds of issues with 3D printers, I never had a stepper motor failure. I started to get failed prints experiencing massive layer shifts like this accompanied by crash detections: Manually moving the y-axis already revealed the problem, dissassembling the drive belt showed that the stepper motor was getting…

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IceConeFeed Installation Tips

Some stations have quite tight clearances between the Iceconefeed reflector and the LNB arm. In order perform a fit check before installation you can use a full scale drawing and quickly make a template (2D printer ;-). Note: there are two templates to chose from, see below, for IceConeFeed v2 and DIY. The v2 version…

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