HC/6. FT-243, and FT-241 crystals all share same pinout | 73, de N2HTT
Both sides of HC49 to FT-243 crystal adapter board. | 73, de N2HTT
8 Vintage HAM Radio Crystals FT 243 Channels 381 382 383 384 385 386 387 388 | eBay
40 METER HAM RADIO CRYSTALS FT 243 STYLE 6 -- 8 MHZ GUARANTEED TO OSCILLATE | eBay
K5LAD - 50+ Years of Ham Radio Memories
8 Vintage HAM Radio Crystals FT 243 Channels 342 343 344 345 346 349 350 351 | eBay
20 METER HAM RADIO FT-243 CRYSTALS FOR THE OLD VACUUM TUBE BOATANCHOR XMTRS - Mffco
Crystals
Grinding crystals,FT-243, Etching Crystals, Grinding FT243 crystals, Etching radio crystals - YouTube
FT-243 40m Quartz Crystal (1) Amateur Ham Radio Band AM 7 MHz - TESTED | eBay
QRP Ham Radio Crystals for Vacuum Tube & Transistor CW - Etsy
AF4K - FT243 RADIO CRYSTALS 3500 - 3799 kHz FOR SALE
FT-243 HAM MARS MILITARY RADIO CRYSTALS for 5000 - 5999 kHz BC-611 | eBay
FT-243 MILITARY RADIO HAM RADIO CRYSTALS FREQUENCY
FT-243 size Type AX-2 HAM RADIO CRYSTALS for 80 + 75 METERS | eBay
KF5CZO: Crystal oscillators and radio transmitters
Ham Radio Crystals for the Old Boatanchor Transmitters - Etsy
FT-243 MILITARY RADIO HAM RADIO CRYSTALS FREQUENCY | eBay
80 Meter Ham Radio Crystals for the Old Boatanchor and QRP Cw - Etsy
Crystals
HC49/U QRP Ham Radio Crystals Installed in Ft-243 Holders 80 & - Etsy
So Long, And Thanks For All The Crystals | Hackaday
Vintage FT-243 CR8/U Quartz Crystal (one) AM broadcast band frequency Ham xtal | eBay
FT-243 HAM MARS MILITARY RADIO CRYSTALS for 4000 - 4999 kHz BC-611 | eBay
How FT-243 Crystals Work in the BC-620 Radio from WW2 / Korea SCR-510 - YouTube
