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Hi,
I'm new to the HF bands (upgraded licence earlier this year), and rather than go for a modern transceiver, I decided to set up and operate a boatanchor type station. I just finished acquiring the components required, and I'm looking advice from someone experienced on this vintage of equipment on the procedures to follow when operating the station. Equipment: Heathkit SB-400 HF Transmitter KW Electronics SWR Bridge and Power Meter Dentron Super Tuner Antenna Switch Heathkit Cantenna Dummy Load 3-band dipole antenns (40, 20 and 10 meters) Icom R-70 Receiver (OK, not quite a boatanchor, but it was cheap!) DSI 3550 Frequency Counter (ditto, but wanted some way to get right on freq. with the transmitter!) So far, this is what I have figured out for a process: Call CQ: - select clear frequency on RX - switch to dummy load - select band on TX - tune TX freq dial to RX frequency plus 1 MHz (offset to put Heath BFO on freq. - determined by trial and error) - Select TUNE mode (5 seconds on, 5 off during adjustments so as not to overheat finals), and fine tune TX using freq. counter - switch to dipole antenna - select CW mode - transmit call sign and tune TX for max power output at low power setting - tune antenna tuner for min SWR - adjust TX for high power, retouch tuning for max power out - retouch antenna tuner for min SWR - select LSB or USB mode on TX, depending on band being worked - station ready for operation, call CQ. Answer a CQ or join a net call: - select clear frequency (near as possible to the QSO freq.) on RX - switch to dummy load - select band on TX - tune TX freq dial to RX frequency plus 1 MHz (offset to put Heath BFO on freq. - determined by trial and error) - Select TUNE mode (5 seconds on, 5 off during adjustments so as not to overheat finals), and fine tune TX using freq. counter - switch to dipole antenna - select CW mode - transmit call sign and tune TX for max power output at low power setting - tune antenna tuner for min SWR - adjust TX for high power, retouch tuning for max power out - retouch antenna tuner for min SWR - switch to dummy load - retune RX to QSO freq. - retune TX to QSO freq. + 1 MHz. Key the TX, and fine tune using freq. counter. - switch to dipole antenna - select LSB or USB mode on TX, depending on band being worked - if the QSO is still in progress after all of this, join in! Not sure if these procedures are correct - if anyone would care to comment and amend them, I'd be appreciative! My procedure for answering a QSO is fairly time consuming - there must be a better (faster??) way! Thanks in advance, Wayne |
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