From 8d00dd228b0381096ed1fd0312263933125eefba Mon Sep 17 00:00:00 2001 From: Egor Tensin Date: Sat, 20 Aug 2022 21:48:16 +0200 Subject: README: add section on dongles --- README.md | 19 +++++++++++++++++++ doc/dongle.jpeg | Bin 0 -> 27307 bytes 2 files changed, 19 insertions(+) create mode 100644 doc/dongle.jpeg diff --git a/README.md b/README.md index a56fa94..b09f217 100644 --- a/README.md +++ b/README.md @@ -41,6 +41,25 @@ Stop the containers using make down +DVB-T dongles +------------- + +They can be bought on eBay and AliExpress for a few dollars. +This is what they look like: + +![DVB-T dongle example](doc/dongle.jpeg "DVB-T dongle") + +You have to be careful not to buy the wrong one though. +All of them are equipped with tuners, some of which don't support the 1090 MHz +frequency. +I've made the mistake to buy dongles with the FC0012 tuner, which doesn't +support it. +In general, you'll see something like + + [FC0012] no valid PLL combination found for 1090000000 Hz! + +in dump1090 container output if your dongle isn't supported. + Development ----------- diff --git a/doc/dongle.jpeg b/doc/dongle.jpeg new file mode 100644 index 0000000..1a7a59a Binary files /dev/null and b/doc/dongle.jpeg differ -- cgit v1.2.3