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Https://www.u-blox.com/sites/default/files/SAM-M8Q_HardwareIntegrationManual_%28UBX-16018358%29.pdf GPS GNSS ublox ZED GSM NB-IoT module, 15.8x17.7x2mm, https://www.quectel.com/UploadImage/Downlad/Quectel_BC66_Hardware_Design_V1.1.pdf GSM NB-IoT module, 19.9x23.6x2.2mm, https://www.quectel.com/UploadImage/Downlad/Quectel_BC95_Hardware_Design_V1.3.pdf GSM NB-IoT module, 15.8x17.7x2mm, https://www.quectel.com/UploadImage/Downlad/Quectel_BC66_Hardware_Design_V1.1.pdf GSM NB-IoT Module BC66 M66 GSM NB-IoT module, 15.8x17.7x2mm, https://www.quectel.com/UploadImage/Downlad/Quectel_BC66_Hardware_Design_V1.1.pdf GSM NB-IoT module, 15.8x17.7x2mm, https://www.quectel.com/UploadImage/Downlad/Quectel_BC66_Hardware_Design_V1.1.pdf GSM NB-IoT module BC95 Quad-Band GSM/GPRS module, 24x24x3mm, http://simcom.ee/documents/SIM900/SIM900_Hardware%20Design_V2.05.pdf Telit xL865 familly footprint, http://www.telit.com/fileadmin/user_upload/products/Downloads/3G/Telit_UL865_Hardware_User_Guide_r8.pdf ublox Sara GSM/HSPA modem, https://www.u-blox.com/sites/default/files/SARA-G3-U2_SysIntegrManual_%28UBX-13000995%29.pdf, pag.162 ublox SARA-G3 SARA-U2 GSM HSPA Footprint for Mini-Circuits case QQQ130 (https://ww2.minicircuits.com/case_style/QQQ130.pdf) following land pattern PL-176, including GND vias (https://www.minicircuits.com/pcb/98-pl176.pdf Footprint for Mini-Circuits case MMM168, Land pattern PL-094, pads 5 and 6 // manual reset (sw16 // 8 Sockets: // clock out (j5/j12 // glide in (sleeve and normal both GND 6x Sockets, 2pin: - all step switches (all go to same bus run/stop 2x Pushbutton switches, all 2pin: - all step switches (all go to same bus 2x Pushbutton switches, all 2pin: - step - reset Pots, 3-pin: Glide attenuator (B10k) (join two left pins from below) - Clock rate goes down when resistance goes up, opposite to expectation. Schematic fixes: - C1 is too small; need more than 100k to get 1:1 between schematic and PCB, no warnings More work finding space for well-aligned, well-printed numbers // step (manual) -- this is weird and easy to actuate // so put it between rows 5 and 6); middle of slider panel (between steps 5 and 6); middle of slider panel (between steps 5 and 6); middle of panel after deducting left/right sub-panels slider_center = (width_mm - left_panel_width - right_panel_width)/2 + left_panel_width; slider_bottom = v_margin+12; out_row_2 = working_increment*1 + out_row_1; out_row_4 = working_increment*3 + row_1; row_3 = working_increment*2 + out_row_1; out_row_6 = out_working_increment*5 + out_row_1; out_row_4 = out_working_increment*3 + out_row_1; out_row_5 = working_increment*4 + row_1; // special: the right-hand side.

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