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The FF-501DX LPF, a high-performance VHF and 10m filter, was obtained at a friend's SK sale. After becoming more active on 10m, the author reexamined the LPF and discovered it to be of high quality. The filter's efficiency was outstanding and the return loss/VSWR was better than estimated. The LPF was connected to a Bird 50R dummy load to evaluate insert loss, cutoff, attenuation over 70MHz, and return loss. The original specifications were found in an old radio magazine, along with a link to the original one-page information sheet. Comparing the results to the original specs confirms the LPF's quality.

The Ham Shop is an authorized dealer for ham radio accessories and equipment from manufacturers including MFJ, Ameritron, Cushcraft, HyGain, and DacRope. The inventory includes antennas, cables, coax wire, and specific products like Signalink interfaces. Available antenna types encompass support rope (e.g., 3/16" Dacron Polyester Rope), switches, and tuners. Additional station accessories include baluns, dummy loads, duplexers, insulators, microphones, power supplies, SWR meters, test instruments, and watt meters. The product range supports various amateur radio operations, offering components for station setup and maintenance across different frequency bands. Examples include the _MFJ-915_ RF Isolator, rated for 1.8-30 MHz and **1500W PEP**.