The pictures in the banner came from the below places on the web. If you are the copyright owner and are bothered by my use of the picture, please let me know

1. Heathkit_SW-717.jpg from https://people.ohio.edu/postr/bapix/SW-717.htm
2. KenwoodR5000.jpg from http://www.rigpix.com/kenwood/r5000.htm
3. KenwoodTS820S.jpg from http://www.rigpix.com/kenwood/ts820s.htm
4. RSP2proA-1.png from https://www.sdrplay.com/rsp2-and-rsp2pro/
5. RSP1-1.png from https://www.sdrplay.com/rsp1/
6. micromix400 from https://www.amazon.com/Behringer-Micromix-MX400-Low-Noise-4-Channel/dp/B000KGYAYQ/ref=sr_1_1?gclid=CjwKCAiA5JnuBRA-EiwA-0ggPQs2w9Qhk-QfEZVOJtVhxU8nvLh9U_okp74IxSH73P0GWxXf8mITaRoCipEQAvD_BwE&hvadid=178384866163&hvdev=c&hvlocphy=9004247&hvnetw=g&hvpos=1t1&hvqmt=e&hvrand=4258534328499525522&hvtargid=kwd-3577610805&hydadcr=29178_10197775&keywords=micromix+mx400&qid=1573350950&sr=8-1
7. LF-400B_LfAntenna.gif from https://www.lfengineering.com/products.cfm
8. ApexRadio703G-DA_DisconeAntenna.jpg from https://www.universal-radio.com/catalog/scanants/5162.html
9. NooElecUsbDongle.jpg from https://www.nooelec.com/store/computer-speripherals/usb-ota-receivers/dvb-t-receivers/nesdr-mini.html
10. Timewave ANC4 from https://timewave.com/product/timewave-anc-4-antenna-noise-canceler/
11. Channel Master rotator from https://www.channelmaster.com/TV_Antenna_Rotator_p/cm-9521hd.htm