https://wiki.eta.chalmers.se/ 2026-04-14T03:27:19+00:00 https://wiki.eta.chalmers.se/ https://wiki.eta.chalmers.se/lib/exe/fetch.php?media=wiki:logo.png text/html 2026-02-13T04:59:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:amatorradiocert&rev=1770958794&do=diff Kurs för amatörradiocertifikat ETA håller semi-regelbundet en gratis amatörradiokurs vårterminen varje år. I den c.a. 12 veckor långa kvällskursen går vi igenom allt som krävs för att skriva certifikat-provet i maj/juli (se årets kurssida ovan för prov-datum). Kursen är öppen för alla, och de enda förkunskaperna som krävs är en grundläggande förståelse av elektroniska kretsar. text/html 2021-03-29T16:52:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:dtmf&rev=1617036769&do=diff DTMF för etsning Denna sida är ämnad för etskursen, därmed ligger den i det namespacet. Vad är DTMF? DTMF(Dual Tone Multiple-Frequency) är det som knappsatser till telefoner använder sig av. Du vet de där ljuden som kommer när man trycker på knapparna, detta är text/html 2020-01-26T09:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:etskurs-en&rev=1580031451&do=diff Etching Course In Swedish ETAs own etching course! The course is free for all ETA members. If you're not a member you can become just before the course. The membership fee is 100 kr annually and gives you access to our lab, workshop and free coffee. =) The course will be held in our lab Spårvagnen, text/html 2026-01-10T15:24:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:etspm&rev=1768058649&do=diff FIXME -- ENGLISH VERSION PLOX Labb PM för etskurs för att vara ärlig vet jag inte riktigt vad som skall stå i ett LabbPM... Vad är etsning? Etsning är en kemisk process där metall eller glas löses upp med stark syra eller annat frätande ämne. Metoden används här för tillverkning av kretskort. Genom att använda masker för att skydda de delar som inte ska etsas bort kan man åstadkomma avancerade mönster. text/html 2025-02-16T10:12:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:ham_vt2023_l1&rev=1739700746&do=diff ETA313-01 Introduction Back to course information * Introduce myself (SA6JKK is my callsign, 'callsign' 'at' gmail.com, ham since 2019) * Todays agenda * You are licensed to transmit with >100 W using most equipment on certain frequencies. Typically it is the radio that is licensed text/html 2025-03-07T18:21:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:ham_vt2023_l2&rev=1741371682&do=diff ETA313-02: Theory lesson 1: Electric components Back to course information Recommended reading: KonCEPT page 5-83 (chapter 1&2) In this course sqrt(-1) is banned! We do not know how to derivate/integrate... and so on. Everything should be made as simple as possible, but not simpler text/html 2025-03-07T18:26:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:ham_vt2023_l3&rev=1741371971&do=diff ETA313-03: Theory lesson 2: Electric Circuits Back to course information Recommended reading: KonCEPT page 84-144 (chapter 3) Draw a superheterodyne TRX on the black board. Including antennas and propagation. Explain from TX to RX * DAC which stands for Digital to Analog converter. text/html 2024-02-13T18:07:46+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:ham_vt2023_l4&rev=1707847666&do=diff ETA313-04: Lab 1: Receiving with SDR, Transmit HF Back to course information This session will be at ETA. Lab suggestion: Receiving with SDR. 1) Find the FM radio band (88-108 MHz) 2) Find a TV broadcast band (~500 MHz) 3) Is there any activity on the ham radio repeaters nearby? text/html 2026-03-09T10:02:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:ham_vt2023_l5&rev=1773050544&do=diff ETA313-05: Regulation Lesson 1: Phonetics, callsigns, abbreviations Back to course information Recommended reading: 261, 263, 265-267 (Chapter 13) Phonetic alphabet: Letter Swedish ITU, ICAO and NATO A Adam Alfa B Bertil Bravo C Cesar Charlie D David text/html 2026-03-16T16:01:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:ham_vt2023_l6&rev=1773676894&do=diff ETA313-06: Regulation Lesson 2: Q-codes, Emergency Traffic Back to course information Recommended reading: 261-265 This page contains some things which are difficult to translate directly. An English version is below. Många Q-koder finns, många används utanför amatörradiosammanhang. QRA-QTZ range used in ham radio. text/html 2026-03-22T18:34:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:ham_vt2023_l7&rev=1774204467&do=diff ETA313-07: Theory Lesson 3: Antennas, Transmission lines, Propagation Back to course information Recommended reading: KonCEPT v2.6.1 page 185-223 (chapter 7 + 8) Start with transmission line (TL), the most difficult component. characterized by: Characteristic impedance, Z_0, a geometry and material parameter. Length and the speed of light in the transmission line. Two metal conductors that guide the fields. text/html 2025-02-16T10:13:23+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:ham_vt2023_l8&rev=1739700803&do=diff ETA313-08 Lab 2: Build an antenna Back to course information Agenda: ETA to construct antennas at ETA. Go and search for DIY antennas online! The following theory is copied from Theory Lesson 3: Antennas, Transmission lines, Propagation ETA313-07 Antenna = two port that converts energy from propagating in a transmission line to propagation in free-space. text/html 2025-02-16T10:13:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:ham_vt2023_l9&rev=1739700812&do=diff ETA313-09: Theory Lesson 4: Electrical safety, grounding, isolation, EMC Back to course information Recommended reading: KonCEPT page 237-259 (Chapter 10,11,12) This list might need to be updated with regards to what the certification tests. The legal stuff is translated by -JKK who is not a lawyer text/html 2025-02-16T10:13:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:ham_vt2023_l10&rev=1739700834&do=diff ETA313-10: Regulation Lesson 3: Swedish laws, QSO's, Logging Back to course information Recommended reading: KonCEPT page 267-277 (Chapter 13.7, 14, 15) QSO:n There is no right way how to have a QSO ... but there are many things that can go wrong. General call: (Allmänt anrop) text/html 2025-02-16T10:13:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:ham_vt2023_l11&rev=1739700824&do=diff Regulation Lesson 4: Repeaters, Frequency bands Back to course information Recommended reading for frequency bands: KonCEPT p. 282-283 (13.11 Bandplaner), 313-324 (Appendix F + G), 341-345 (Appendix N) Recommended reading for repeaters: KonCEPT p. 168, 325 Frequency Bands text/html 2023-11-08T15:44:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:ham_vt2023&rev=1699458266&do=diff Course information VT2023 ham radio course This course is now finished, this page will continue to link to the lessons but they might change from what they were during this course. Location: See below Time: 18:00 to approximately 19:15 Cost: course 0kr, test fee 200kr but 0kr for ETA members, certificate fee 390kr (after passing examination) text/html 2025-03-03T19:05:23+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:ham_vt2024&rev=1741028723&do=diff Course information VT2024 ham radio course This course is now finished, this page will continue to link to the lessons but they might change from what they were during this course. Location: See below Time: 18:00 to approximately 19:15 Cost: course 0kr, test fee 200kr but 0kr for ETA members, certificate fee 390kr (after passing examination) text/html 2025-04-12T18:49:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:ham_vt2025&rev=1744483756&do=diff Course information VT2025 ham radio course Location: See below Time: 18:00 to approximately 19:15 Cost: course 0kr, test fee 200kr but 0kr for ETA members, certificate fee 390kr (after passing examination) Prerequisites: Basic knowledge of electronic circuits (university level) text/html 2026-02-22T12:43:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:ham_vt2026&rev=1771764184&do=diff Course information VT2026 ham radio course Location: See below Time: 18:30 to approximately 19:30 Cost: course 0kr, test fee 200kr but 0kr for ETA members, certificate fee 390kr (after passing examination) Prerequisites: Basic knowledge of electronic circuits (university level) text/html 2025-07-16T21:51:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:kurser&rev=1752702664&do=diff Kurser För tillfället hålls om vid intresse kurs inför radioamatör certifikat en gång per år. Se: Kurs för amatörradiocertifikat text/html 2020-11-10T10:43:37+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:svarv&rev=1605005017&do=diff Svarv Kurs FIXME This is a work in progress! Inget är permanent eller så, får se om jag gör färdigt den. Tillverkad av David Johansson. Upplägg Svarv kursen behandlar i imbördes ordning... * Hur funkar svarving? Hur ser verktygen ut? (basics) text/html 2026-01-10T15:24:46+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.eta.chalmers.se/doku.php?id=user:kurser:utbildningsmaterial&rev=1768058686&do=diff Här kommer allt ETAs utbildningsmaterial att samlas. Se även: Kurser etskurs CNC-sak etspm svarv