Files from SV1XV

MC5240A

nobody@ipernity.com (SV1XV) — Thu, 09 Jul 2026 11:14:23 +0000

SV1XV has posted:

915-940 MHz, 13.8V, 9W/19 dB amplifier.

IARU-OTHR-2013

nobody@ipernity.com (SV1XV) — Sat, 10 Apr 2021 04:34:27 +0000

SV1XV has posted:

IARU identification guide for HF radar systems, by DK2OM.

Η πρωτοποριακή έρευνα του ΕΜΠ για ραντάρ στην προπολεμική Ελλάδα. Η περίπτωση του Παύλου Σαντορίνη.

nobody@ipernity.com (SV1XV) — Sat, 04 Nov 2017 03:34:52 +0000

SV1XV has posted:

Δημήτριος Βογιατζής: "Η πρωτοποριακή έρευνα του ΕΜΠ για ραντάρ στην προπολεμική Ελλάδα, Η περίπτωση του Παύλου Σαντορίνη", ΕΜΠ 2012. voyatzis greek radar santorinis

greek radar

nobody@ipernity.com (SV1XV) — Sat, 04 Nov 2017 03:33:09 +0000

SV1XV has posted:

Digital Signals FAQ V5.3

nobody@ipernity.com (SV1XV) — Tue, 29 Nov 2016 05:57:34 +0000

SV1XV has posted:

WUN Digital Signals FAQ Version: 5.3

Copyright © 1995,1996,1997 by Stan Scalsky, sscalsk@mail.ameritel.net and Mike Chace, mikec@praxis.co.uk .

Last Update: Aug 23, 1997. Portions Updated 2001-2004 by Worldwide Utility News.

Also available at: https://drive.google.com/file/d/0B5wD1M7AJBTESFFwdVhwS01MMms/view

and ia601305.us.archive.org/32/items/digfaqv53/digfaqv53.txt

IARU-R1-bandplans

nobody@ipernity.com (SV1XV) — Sun, 24 Jan 2016 20:27:36 +0000

SV1XV has posted:

IARU Region 1 VHF-UHF bandplans

Electrical conductor sizes

nobody@ipernity.com (SV1XV) — Fri, 15 Jan 2016 14:15:26 +0000

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Characteristic of metric and AWG copper conductors.

HGRS87

nobody@ipernity.com (SV1XV) — Fri, 01 Jan 2016 21:35:48 +0000

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NTX2B arduino-interrupt

nobody@ipernity.com (SV1XV) — Sun, 18 Oct 2015 14:40:10 +0000

SV1XV has posted:

Interrupt Driven RTTY TX Demo, by Anthony Stirk M0UPU, October 2012, Version 5.

Transmits data via RTTY with an interupt driven subroutine.

Thanks and credits :
Evolved from Rob Harrison's RTTY Code.
Compare match register calculation by Phil Heron.
Thanks to : www.engblaze.com/microcontroller-tutorial-avr-and-arduino-timer-interrupts
RFM22B Code from James Coxon ukhas.org.uk/guides:rfm22b
Suggestion to use Frequency Shift Registers by Dave Akerman (Daveake)/Richard Cresswell (Navrac)

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

NTX2B arduino

nobody@ipernity.com (SV1XV) — Sun, 18 Oct 2015 14:30:04 +0000

SV1XV has posted:

Demo Code to Drive a Radiometrix NTX2B RTTY beacon via PWM. Written by Anthony Stirk M0UPU, RTTY code from Rob Harrison Icarus Project.

ukhas.org.uk/guides:linkingarduinotontx2

Radio Tirana history

nobody@ipernity.com (SV1XV) — Sun, 11 Oct 2015 08:52:39 +0000

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Various old publications about broadcasting in Albania.