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Klaus & Lita – Singapore ; E tRjTSJ ynFFGfLVgMfp K Klaus & Lita Singapore Menu and widgets f0F2 Map Geomagnetic Kp Index Amateur Radio 9V1KG – 4E1ADW – 4E1A Klaus Posts and pages related to Klaus Lita Posts and pages related to Lita NSPH Photo Album BPMSG Contact Recent Posts 9V1KG VHF/UHF Setup DX1ACE Meeting at DU1KG SATNOGS – Open Source global network of satellite ground-stations Foot switch and CW Keyer for wfview APRStt Gateway – Singapore Archives Archives Select Month June 2023 April 2023 February 2023 January 2022 September 2021 May 2021 April 2021 February 2021 March 2020 October 2019 July 2019 April 2019 March 2019 January 2019 November 2018 July 2018 May 2018 March 2018 February 2018 January 2018 December 2017 November 2017 October 2017 August 2017 June 2017 February 2017 January 2017 December 2016 November 2016 August 2016 July 2016 May 2016 April 2016 March 2016 February 2016 January 2016 December 2015 September 2015 Meta Log in Entries feed Comments feed WordPress.org Hello world – Here we are! Klaus’ website: https://bpmsg.com Featured Format Image Posted on 2015-09-24 2018-03-17 Author Klaus Categories Klaus , Lita Last 10 QSOs logged Log More info on qrz.com Featured Format Status Posted on 2015-09-23 2023-01-27 Author Klaus Categories 4E1A , 4E1ADW , 9V1KG , Amateur Radio Tags 4E1A , 4E1ADW , 9V1KG , clublog , logbook 1 Comment on Last 10 QSOs logged 9V1KG VHF/UHF Setup June 18,2023 For my VHF/UHF setup I am using a dual band Yagi antenna mounted with 20 deg elevation, beaming SSW (210 deg). The signal is fed to a dual band amplifier (DBA) from SSB electronics and split into the VHF and UHF path. Fixed mounted VHF/UHF Yagi at 210 deg with 20 deg elevation VHF goes to my Icom IC-9700. If not used otherwise, it is running on the 144.39 MHz APRS frequency. Signals are processed via LAN using the remote Wfview program on a Linux PC routing the AF signal to the Direwolf modem for digipeating. The UHF signal is fed through a band pass filter to an Airspy Mini SDR. Signals are processed on a Raspberry Pi 4 running a SATNOGS client. 9V1KG VHF/UHF Setup SATNOGS Client 9V1KG APRS Map Posted on 2023-06-18 2023-10-08 Author Klaus Categories 9V1KG , Amateur Radio , Klaus , Uncategorized Tags APRS , Digipeater , UHF , VHF Leave a comment on 9V1KG VHF/UHF Setup DX1ACE Meeting at DU1KG DV1UAR, DU1RB, DW1YVJ, DV1ZLQ, DU1TX XYL Lita, DU1TX Format Gallery Posted on 2023-04-12 2023-04-12 Author Klaus Categories Amateur Radio , DU1KG , Klaus Tags amateur radio , DX1ACE , Tagaytay Leave a comment on DX1ACE Meeting at DU1KG SATNOGS – Open Source global network of satellite ground-stations SatNOGS Network is a global management interface to facilitate multiple ground station operations remotely. An observer is able to take advantage of the full network of SatNOGS ground stations around the world. It’s part of the SatNOGS project . Since end of April 2022 I operate a satellite monitoring ground station. It is running on a Raspberry Pi 4 with an Airspy SDR connected – via a dual band bandpass filter (2m/70cm) – to a 3/5 element Yagi antenna. The Yagi is fixed mounted pointing SSW with a 20 deg elevation. Station ID is 2650 – 9V1KG. I just updated the software to the latest version 1.8.1. Over the last 9 months 3500 observation were stored in the SATNOGS database, the success rate is between 60 and 70%. Posted on 2023-02-10 2023-02-10 Author Klaus Guo Categories Uncategorized Leave a comment on SATNOGS – Open Source global network of satellite ground-stations Foot switch and CW Keyer for wfview Wfview is a program to remotely control Icom radios. You can find more information on https://wfview.org/ . As I do not have space for my own radio shack and my IC-7610 is located in the living room beside the balcony door, my IC-9700 in the guestroom near to the window, I use wfwiew since a couple of months to operate both radios from my (small) computer desk. In order to make operation more convenient, I wanted to use my foot switch as PTT. An Arduino micro can emulate a USB keyboard. In wfview PTT is switched using ctrl-t (transmit) and ctrl-r (receive). A simple program on the Arduino micro can do this: #include AceButton.h using namespace ace_button; #include Keyboard.h #define LED_BUILTIN 17 const int BUTTON_PIN = 2; const int LED_ON = LOW; const int LED_OFF = HIGH; AceButton button(BUTTON_PIN); void handleEvent(AceButton*, uint8_t, uint8_t); void setup() { // put your setup code here, to run once: pinMode(LED_BUILTIN, OUTPUT); pinMode(BUTTON_PIN, INPUT_PULLUP); Keyboard.begin(); button.setEventHandler(handleEvent); digitalWrite(LED_BUILTIN, LED_OFF); TXLED1; } void loop() { // put your main code here, to run repeatedly: button.check(); TXLED1; } void handleEvent(AceButton* /*button*/, uint8_t eventType, uint8_t /*buttonState*/) { switch (eventType) { case AceButton::kEventPressed: digitalWrite(LED_BUILTIN, LED_ON); // ctrl-T Keyboard.press(0x80); Keyboard.press(’t’); Keyboard.releaseAll(); break; case AceButton::kEventReleased: // compensates for network latency delay(250); digitalWrite(LED_BUILTIN, LED_OFF); // ctrl-R Keyboard.press(0x80); Keyboard.press(’r’); Keyboard.releaseAll(); break; } } I have built-in the controller in a small 3D printed housing with a 1/4″ jack plug. My foot switch solution for wfview It works like a charm! A similar solution is possible to use a CW keyer (for example K3NG). I open the CQRLOG CW window and input my CW from the keyer to be converted back to text and sent to my IC-7610. K3NG Keyer with Arduino Micro CW setup Posted on 2022-01-18 2022-01-18 Author Klaus Guo Categories 9V1KG , Amateur Radio Tags cw , IC-7620 , IC-9700 , ICOM , remote operation , wfview Leave a comment on Foot switch and CW Keyer for wfview APRStt Gateway – Singapore Use your analog handheld transceiver (HT) to report your position, status and receive frequency to the APRS network using DTMF touch tone! Possible commands to the gateway are shown in the table below. Correct input will be replied with Morse code R for roger, or ? for errors. APRS frequency in Singapore is 144.390 MHz. Memory Sequence Comment MEM 1 AC xxxxxxxxxx # Your full 10 digit call sign (always transmit at first) MEM 2 C9* xx B zzzzz # Your home location xx (see below), status 9 (set to APRStt user”) and your 5 digit abbreviated suffix zzzzz (see below) Keypad xx B zzzzz # e.g. 20 B 15409 # Set location to xx (zzzzz your suffix abbreviation) Keypad xxxxxx C zzzzz # e.g. 145500 C 15409 # Change QRG to xxxxxx (exactly 6 digits), zzzzz your suffix abbreviation . Keypad x C zzzzz # e.g. 3 C 15409 # Change status to x: 1 – off duty, 2 – en route, 3 – in service (check in), 4 – returning etc. Keypad xxx A zzzzz # e.g. 223 A 15409 # Change symbol. xxx = 159 Human/Person (HT), 229 APRStt (DTMF user), 153 Bus, 166 Bike. Possible DTMF sequences. *” = E, #” = F To check in to the gateway press MEM 1 for your full call and then MEM 2 to report your location. Afterwards you might change location, QRG, status or symbol using the keypad. Example: FT-60 On the Yaesu FT-60 HT you have nine available DTMF memories with max. 16 chars each. Two DTMF modes can be selected: MEM and CODE . Press F/W DTMF to toggle between both. In MEM mode you simply press the PTT and one of the keys 1 to 9 to transmit the predefined DTMF sequence of the respective DTMF memory. In CODE mode you press PTT and each key 1 … 9 and A … D, *, # will send the corresponding DTMF tone. Keypad FT-60 How to program the DTMF memories? F/W SET sel 17 - DT WRT F/W sel d1 … d9 DTMF memory F/W Press keys 1 … 9 or sel A … F followed by F/W for your DTMF tone sequence. E corresponds to *” and F to #”. Press F/W1 sec to store. Example: IC-9700 You can also send DTMF sequences from your home station. For example, the Icom IC-0700 has DTMF capabilities with 16 DTMF memories. IC-9700 DTMF Menu Select MENU, then 2 and DTMF. EDIT d0 (MEM 1) to enter AC my10digitcallsig n# and d1 (MEM 2) to enter C9*xxB my5digitsuffix # – xx your home...