https://w5nor.org/wp-content/uploads/2018/02/Pixie-II-v5-for-caarc.pdf
https://w5nor.org/wp-content/uploads/2018/02/NCRC_PixieOperation.pdf
https://w5nor.org/wp-content/uploads/2018/02/SKU420968-S-Pixie-User-Manual.pdf
http://www.oz1bii.dk/documents/Pixie-Transceiver-OZ.pdf
https://w5nor.org/wp-content/uploads/2018/02/2018-02-CQ-Pixie-Transceivers-Construction-Color.pdf