# HF Antenna Connection for LimeSDR-USB

**URL:** <https://discourse.myriadrf.org/t/hf-antenna-connection-for-limesdr-usb/3140>\
**Category:** LimeSDR\
**Created:** [9 August 2018 01:05 UTC](https://discourse.myriadrf.org/t/hf-antenna-connection-for-limesdr-usb/3140 "2018-08-09T01:05:26Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![K4LED](https://avatars.discourse-cdn.com/v4/letter/k/ed8c4c/32.png) [@K4LED](https://discourse.myriadrf.org/u/K4LED)\
**Post date:** [9 August 2018 01:05 UTC](https://discourse.myriadrf.org/t/hf-antenna-connection-for-limesdr-usb/3140/1 "2018-08-09T01:05:26Z")

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Just getting started.  
Will be using Limesdr-usb for HF receiving and I need to know which antenna port on the board do I connect the HF antenna to?  
Thanks

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**Author:** ![yt7pwr](https://avatars.discourse-cdn.com/v4/letter/y/ecd19e/32.png) [@yt7pwr](https://discourse.myriadrf.org/u/yt7pwr)\
**Post date:** [9 August 2018 08:33 UTC](https://discourse.myriadrf.org/t/hf-antenna-connection-for-limesdr-usb/3140/2 "2018-08-09T08:33:01Z")

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RX1\_L or RX1\_W or RX2\_W (if your app supported second RX). First, read about HF modification:  
[https://wiki.myriadrf.org/LimeSDR\_HF\_Performance](https://wiki.myriadrf.org/LimeSDR_HF_Performance)

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**Author:** ![K4LED](https://avatars.discourse-cdn.com/v4/letter/k/ed8c4c/32.png) [@K4LED](https://discourse.myriadrf.org/u/K4LED)\
**Post date:** [9 August 2018 09:01 UTC](https://discourse.myriadrf.org/t/hf-antenna-connection-for-limesdr-usb/3140/3 "2018-08-09T09:01:42Z")

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Great exactly the information I needed. Thank you. Larry