2017年5月17日 · As long as the loop is large enough to set the noise floor in the receiver, the S/N can be even better than with a tuned loop. That's what the MFJ and DXE loops are, essentially, an untuned loop with a preamp. I just like to omit the preamp whenever possible to avoid the noise figure of the preamp.

2022年5月13日 · Have used the MFJ 813 QRP SWR/Wattmeter for several years. Works fine. The sensitivity control is very, very handy for using with different transmitters at different QRP or Low Watts. I calculate the power then set the sense and mark the dial. With the HeathKit HW-8 at 1 Watt, I adjust sensitivity to aprox. 2 o'clock. .

2018年2月8日 · The MFJ-1868 is a low-cost ultra-wide-band discone antenna, with a receive (RX) range of 25-1300 MHz and it can be used to transmit (TX) from 50-1300 MHz. It can handle up to 200 Watts SSB. Ideal for 6/2/11 Meters, 70/33/23 CM ham bands. Excellent for testing various transmitters or to be used with any wide band SDR receiver.

2024年4月25日 · I think in time I could even grow MFJ and definitely improve the quality and facility. Anyone with the money who wants to rescue MFJ reach out to me. +1 614 675 2497 is my direct dial. DXE, HRO and the rest of the MFJ distributers - pony up and support me for a leveraged buyout and take your returns in discounted goods until you get your money ...

2024年4月25日 · MFJ intends to continue to service and warranty these product lines for the foreseeable future. GigaParts customers may bring their warranty claims to either MFJ or GigaParts . Love them or hate them, after 52 years of business, MFJ has been an iconic part of the ham radio industry and brought several innovative products to market including ...

2024年4月25日 · Getting back to MFJ, one of the side-effects of Covid-19 was that workers became more empowered, realizing how much they were actually worth. Many restaurants and small businesses are actually starting to pay workers a living wage and/or offering other perks such as medical insurance so they can retain them.

2018年7月15日 · FACT: The MFJ-1708SDR Transmit/Receive switch will degrade your receivers' performance and significantly hurt your ability to work weak DX Stations. Using a Signal Generator, Oscilloscope, T Connector & Reference Grade Minicircuits ZSC-2-2+ Power Splitter, I conclusively prove the MFJ-1708SDR will hurt the performance of both your main receiver ...

2016年9月3日 · (Plus it coast less) I made my own Alex type loop a couple a few years ago and I have a MFJ-1786 magloop and at 9 ft the BigEar works far better and once you select the band and do the basic one time adjustment you are 1.1:1 to 1.5:1 across the whole band, where as the loop is either park yourself on one frequency and don't move or keep ...

2021年5月26日 · I’ve been using a Chameleon Emcomm 2 which is an end fed without external tuner, it has a 5:1 matchbox with an 80 feet wire and a 60 feet counter poise running to the opposite way from where the radiating wire is going.

2017年3月13日 · the MFJ 1275 is by the better working device here. I have 2 of the MFJ 1275 and they have worked flawless!!!!! I couldn't ask for better product!!!!! I wouldn't trust this new product! I'd stick with the 1275 or a signal link.