Questions tagged [sstv]

Use this tag for questions relating to Slow-Scan Television (SSTV) operations.

15 questions
6
votes
1 answer

Video transmission between ATV and SSTV

I'd like to experiment with amateur video transmission in a setup halfway between ATV and SSTV. 480 lines of B&W image would be sufficient with 10 FPS, and I'm interested in both digital and analog methods. I'd prefer if I wouldn't have to buy new…
dnet
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6
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3 answers

How can I decode SSTV with only macOS software?

Have you used an SSTV decoding application on an up-to-date version of macOS? Which one, and if you built from source, can you share the steps you took to do so? I do not know of a single working macOS application for SSTV decoding. I've been…
Amin Shah Gilani
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5
votes
2 answers

Receiving the ISS SSTV: dipole antenna configuration and orientation

In short I am trying to receive SSTV Images from the ISS (145.8Mhz) and I all have is a simple "bunny ears" dipole antenna. In what configuration (straight, vee shaped, upside down vee, ...) and orientation should I place the antenna to optimize…
Steven
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3
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1 answer

Conducting a slow scan television net via an FM repeater

I've heard the Houston AMSAT Net sends slow scan television pictures as part of its regular proceeding. Is this unique to them or are there other examples out there?
3
votes
2 answers

DRM/Easypal/Digital SSTV programatic generation resources?

I've come across plenty of resources for programmatically transmitting SSTV images and/or broadcasts (including dnet's pySSTV/UnixSSTV and Oona Räisänen's slowrx), but none yet for it's error corrected, higher quality cousin: DRM (aka EasyPal or…
M6JNY
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3
votes
3 answers

SSTV on repeaters?

Just a simple question and the answer is probably no, but am I allowed to transmit a picture using SSTV on an FM 2 meter or 70 centimeter repeater? I am in the United States.
Skyler 440
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2
votes
1 answer

crt TV emissions

I have my Hack RF plugged in my TV antenna to have a cheap setup and I have observed on the spectrum analyser a signal (Bandwidth: ~400Khz) that is emitted by my old analog TV from 80ies. These are my observations: By switching the TV on and off,…
Stefan
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2
votes
1 answer

Yaesu FT60 to Android Phone Cable

A few of us have been experimenting with SSTV using HTs and Android phones. Acoustic coupling gets us P3 or P4 at best. Is it possible to build or buy a simple cable to connect the phone to the HT (I am using a Yaesu FT60,) or do I need something to…
user8933
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2
votes
1 answer

QSSTV/Hamlib and RTL-SDR/HackRF One

I came across QSSTV today. It's a relatively new Linux program for SSTV and DRM. The config suggests that it can use a number of different external radios as transmitters. What I'd really like to try (as mentioned in this post: Video transmission…
M6JNY
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2
votes
3 answers

Transmitting Video Underwater

My brother and I are considering designing and building a remotely controlled submarine. As far as experience, I have some knowledge on RC systems, and I am almost done with my General license. My brother hasn't completed his license yet, but shares…
Galaxy
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2
votes
1 answer

QSSTV on Linux Mint

Linux Mint MATE 64 (system is up to date) I installed qsstv first it runs normally but no CAT .. then I installed hamlib and put in the same string for the USB Device like in FlDigi which runs now UFB! …
HB9FIH
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2
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1 answer

What modes are used for transmitting motion pictures video?

SSTV permits transmission of single images, or if one desires image sequences at a very low framerate. Are there specific Amateur Modes that are meant for real time (motion pictures) video transmission, or do amateurs simply use NTSC, PAL, or…
Adam Davis
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0
votes
1 answer

ISS SSTV transmission times

Unfortunately, the ISS SSTV transmissions scheduled to the next weekend had to be canceled. Anyway, I'm planning to capture some images and have a doubt. I've been trying to find some answers, but no success this far. My doubt is: during the days of…
0
votes
0 answers

QSSTV Audio Device Enumeration

My new desktop system running Clear Linux with the latest version of qsstv and hamlib is having a problem with audio device enumeration. This is because qsstv filters the audio device list as follows: if( …
Deepstop
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0
votes
1 answer

SSTV decoder for already-recorded files?

I have a full SSTV transmission pre-recorded. Is there any way that I could take the audio file and decode it? Alternatively, is there a way to select the audio device (for example, to read an audio file), to allow the file to be played into any…
Galaxy
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