OE5HDX amateur radio page

OE5HDX Daniel

- Locator: JN78dh64hq, Linz, Austria
Contact: oe5hdx@airpost.net / oe5hdx@oevsv.at
Gear 2m/70cm:
- Yaesu FT-3DE (2m/70cm FM, C4FM, APRS)
- Baofeng UV-5R+ (2m/70cm FM)
- Diamond SRJ77 2m/70cm flexible stick antenna ~42cm
- 2m λ/2 j-pole rollup antenna from OE5JFE-DIY-Kit
Gear HF:
- Elecraft KX2 80m-10m portable
- sotabeams BandHopper II 20m, 40m
- DIY up&outer 20m with 1 elevated radial
- In progress: Linked Up&outer 20m,17m,15m,12m,10m
Gear SWL / Other:
- SDRPlay RSP1A 1kHz-2GHz RX
- nanoVNA v2 (swr meter on steroids)

Activities:
- SOTA Summits on the air
- Random Wire Antenna Calculator: Random Wire Online Calculator (beta)
- DokuFunk

LoRa APRS iGate: https://aprs.fi/info/a/OE5HDX-10 with TTGO LoRa 32 v1 and Firmware from peterus.
LoRa APRS Tracker: https://aprs.fi/info/a/OE5HDX-7 with Firmware from peterus.
How LoRa demodulation works:
How IQ Data works: http://whiteboard.ping.se/SDR/IQ