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5:48

M-Audio Venom Voyage To Centaurus

5:06

49:1 and 64:1 Transformers for EFHW

4:23

What is an EFHW?

9:32

40m Band End-Fed Half-Wave

4:44

Compact 144MHz 5 Element Yagi

5:23

Yaesu FT-991A Transmit Audio, Microphone Settings

Here is a quick look at the intricacies of the microphone audio settings on the Yaesu FT-991A. I think I have covered everything here. Remember: If you are going to test your audio please use your transmitter in accordance with your radio licence.
Index:
00:00 introduction
00:16 Microphone Details
00:45 Preparation
01:18 SSB Bandpass Filter
02:34 Mic EQ
03:00 Speech Processor
03:16 Mic Gain
03:25 ALC
03:30 Compression Level
04:23 Monitoring The Audio
05:40 Parametric EQ Settings
08:22 Closing Comments

มุมมอง: 145

วีดีโอ

5:48

EFHW Problems and Improvements in 2024

มุมมอง 29821 วันที่ผ่านมา

A quick video detailing the problems I have encountered and improvements I have made on my End-fed Half-wave antenna in 2024. Filmed in the Autumn and Winter of 2024. Index: 00:00 Introduction 00:31 Bad Coaxial Cable 01:05 New Coaxial Choke 01:36 New Capacitor 02:02 Terminal and Boxing 02:44 Visual Impact 03:02 Insulator 03:11 Mast Details 03:34 Pulley 03:45 Guy Line 03:48 Weight Details 03:56 ...

5:06

M-Audio Venom Voyage To Centaurus

มุมมอง 2528 หลายเดือนก่อน

Here is a little multi-tracked performance called Voyage To Centaurus played on the M-Audio Venom 'virtual analog synthesizer' with drums from the Technics KN1000 and recorded on the Tascam DP-006. No post-processing except a dual layering of the drum track and a little stereo repositioning. Many of the patches used are from the freely downloadable Cloudwalk collection. Released on Internationa...

4:23

49:1 and 64:1 Transformers for EFHW

มุมมอง 37310 หลายเดือนก่อน

Here is a short video which attempts to demystify the 49:1 and 64:1 impedance matching transformers used with end-fed half-wave (EFHW) antennas. Images and video of the toroid, wire and turns are for indication only and attention must be paid to the narration which explains how to form the turns on the ring and the number of turns required.

9:32

What is an EFHW?

มุมมอง 3510 หลายเดือนก่อน

Are you tired of hearing about EFHWs or End-Fed Half-Waves but do not quite know what one is? This video reveals all!

4:44

40m Band End-Fed Half-Wave

มุมมอง 15810 หลายเดือนก่อน

A short video showing my EFHW for 40m. Works on 20m, 15m and 10m plus other bands with some tuning.

5:23

Compact 144MHz 5 Element Yagi

มุมมอง 14311 หลายเดือนก่อน

Here is a video detailing my 5 element yagi for the 144MHz band that is suitable for portable or home use, even indoors!

Indoor Bent V Dipole (Not an Inverted V)

2:10

Indoor Bent V Dipole (Not an Inverted V)

มุมมอง 158ปีที่แล้ว

Here is a video showing my compromise V dipole for small spaces which is like a conventional dipole but the wires are bent slightly inwards.

6:27

Palstar PS-30M Quieter Fan

มุมมอง 111ปีที่แล้ว

Hello, Doktor Vells here! This video shows how I replaced the fan in my Palstar PS-30M power supply with a quieter fan. Do not do this if you are unsure of the dangers of working on power supplies! Index: 00:00 Introduction 00:13 Demonstration of Fan Noise 00:53 SAFETY WARNING! 01:12 Opening the Power Supply 02:31 Capacitor Safety Warning! 02:38 Moving the Transformer 03:25 Removing the Old Fan...

Silencing an (Electrically) Noisy Mackertop PC Power Supply (PSU)

4:05

Silencing an (Electrically) Noisy Mackertop PC Power Supply (PSU)

มุมมอง 154ปีที่แล้ว

An electrically noisy PC power supply is silenced with a simple improvement. Do so at your own risk. If you have any doubts do not do it! Far Eastern suppliers and on-line retailers are not so concerned about following laws and regulations. Profit over quality and sometimes safety. This is one such case. Index: 00:00 Introduction 00:17 The noise problem 01:29 SAFETY WARNING 01:49 Inside the pow...

ASM Hydrasynth - Return to the Mothership

6:43

ASM Hydrasynth - Return to the Mothership

มุมมอง 257ปีที่แล้ว

Ashun Sound Machines invented a masterpiece of synthesiser ingenuity when they came up with the Hydrasynth and here is Doktor Vells playing his masterpiece of musical excellence Return to the Mothership live, on the ASM Hydrasynth! OK... it might not be that good but I hope you enjoy it anyway and appreciate some of the sound and features shown in the video.

4:43

Calibrate Your NanoVNA - It is Easy!

มุมมอง 901ปีที่แล้ว

A straightforward video demonstration of how to calibrate your NanoVNA for more accurate measurements.

Remove duplicate e-mails in Thunderdbird

1:46

Remove duplicate e-mails in Thunderdbird

มุมมอง 3312 ปีที่แล้ว

Instructions of how to remove copies of e-mails (duplicates) downloaded from your POP server in a few clicks.

Yaesu FT-991A Morse [CW] Settings and Operating

21:44

Yaesu FT-991A Morse [CW] Settings and Operating

มุมมอง 3.3K2 ปีที่แล้ว

This is my presentation to attempt to cover most if not all aspects of CW operation using the Yaesu FT-991A transceiver. Please utilise the index below... Index: 00:00 Introduction 00:43 Putting the radio into CW mode 01:12 Setting the radio to transmit CW 02:02 Semi Break-in mode 02:33 Full Break-in mode 03:03 Side tone volume level 03:38 Transmitting CW when in USB or LSB mode 05:02 Configuri...