2021年1月13日 · Tell you what, you take your QRO rig, power supply, and antenna on a hike up a mountain and I'll take my QRP rig, battery, radio, and lunch. We'll see who gets there and on the air and makes a contact first. The other day, I chased POTA activators while sitting next to a pond in the woods and watching ducks try to land on ice.

2020年4月26日 · How to convert a server power supply into a 12 volt, 63 amp ham radio switching power supply for about $12 (half the cost of that Baofeng handheld!). Check it out. -by Brandon kb1thm

2016年11月26日 · If you are short on space, rarely work 80M and like to travel with a Rig and power supply, get the PowerWerx SPS-30DM or similar, and avoid the cheaper versions of the same. Consider - Elecraft sells and recommends the PowerWerx SS-30DV to power their radios.

2020年5月13日 · Pad 33 PSON (power supply on). This pad is connected to 3.3v internal supply via a pull up resistor and should be connected to Pad 30 (12v GND/Return). Yes, Low=On Pad 36 PRES (supply present). This tells the supply that it is present in the back plane (plugged into the server) and ok to start.

2020年4月26日 · I did something similar with a Dell Poweredge 6800 power supply. About 100amp DC. It did cost me more than $12. Even though the fan speed is adjustable, it was still put out some fan noise. Good for outside. It also needed a dedicated 15amp power input. Its all good. View attachment 654822

2017年5月2日 · Bring your soldering iron and join the educational fun of designing and builidng QRP transmitter, mic preamp and power supply using vacuum tubes. Bob Heil, K9EID helps guide you through the project each week on Leo Laporte's Ham Nation HD webcast. Each Wednesday at 8:00 pm hamnation.twit.tv

2019年4月25日 · FT-DX101D: 100W transmit power, without power supply, requires 13.8V, 22A FT-DX101MP: 200W transmit power, incl. ext. loudspeaker, incl. 48V power supply inside the loudspeaker case Price and Availability

2023年8月14日 · Just be aware, the "A" versions of the ICOM -75 series radios are notorious for internal AC power supply failures; but even if the AC supply is dead (they are an early switching power supply design & make the 25 watt radios run HOTTER than the 100 watt "H" versions). they will usually run nice and cool if run on 12 VDC.

2008年7月3日 · A couple of years ago, I had my Rock-Mite 20 connected to one of the 22-507 supplies for power and was monitoring the RM's carrier oscillator with an IC-703. At some point, I switched off the power supply(via its front panel switch), but left its ac power cord plug connected to a live 120 vac 60 Hz receptacle.

2018年5月22日 · Much power guaranteed. I also own a KPA500 which is the price worth, it fits in my complete K-line and will be in the shack also. For mor power, other TRX I now use the RF-KIT pa. The KPA1500 is also a bit to expensive for me, but i think in the same price category like the expert or flex(?). RF-KIT is less cost intensive and provides proe power.