Please forgive me if this is a completely absurd question. Why do all the HF-capable SDR transceivers seem to follow the (expensive) paradigm of,...
I have an VHF amp that runs off of 13.8vdc (like most do). How should I run the wires going to the amp? Should I hook it strait from the battery...
I have an older AL-80B that is having intermittent output problems. They seem to be related to cycling the bandswitch. I have a thread in the...
hi, I bought a set of Micom 500e Motorola and Tadiran. Everything Works Fine, I sold in Motorola 2ET HF Equipment and I kept the Tadiran 500...
Hi, I'm looking for the Daiwa LA2035 amplifier wiring diagram. Does anyone have it? The LA2035R version is not good [IMG]
I replaced the capacitor bank and nothing else a month or so ago. The meters were doing this before. And you could smell that old capacitor smell...
Hi; I have written to the vendor for documents to calibrate the AL-811H, and I am referring to the controls on the back for adjustments on bands....
Do anyone has or used the RBI-1 Relay power interface from radiodan.com and has a view of internal components? What I am trying to find out is, if...
Here in my AL-811H, it seems to me it has been modified for 10 meters use. I got it used. Now, I notice that the coils are 3 of 5 turns and 1 of 6...
I'm setting up a mobile HF station in my Toyota Tundra consisting of an iCom 7100, Ameritron ALS-500M (controlled with a ARI-500), and a Scorpion...
Got my SWR's measured and the highest is 1.5. Will the SWR increase dramatically when an amp is used? Most bands from 80-10 are 1.1. Highest are...
Hello, I recently purchased an RF Concepts RFC 2-117 amplifier. Upon receipt, I wired it to an Astron power supply (14.3 V). With nothing else...
I have an Old ALS-600 that has served me well. My guess it is about 15 years old, never a problem with it. Recently when putting the Amplifier in...
So, I was tuning up this wonder Ten-Tec Centurion on 20 meters (yes into a dummy load) with about 40+ watts of drive on 20 meters and I smelt...
hello all new ham and new to this sight. i have a Daiwa LA-2035 that has a problem... radio with no amp in line SWR = 1.1 when i install the amp...
Hi. I have a Mirage 1010D. when connected to my Astron RS-20A, as soon as I turn the power supply on, (amp off) the fuse blows in the power...
Keith Ennis (KV5J) is proud to introduce the second in his line of Digital Display Units. The Digital Display Unit for Elecraft's KPA500. HF...
Here is my situation I have an Icom 7300 and a GAP mono band 20 meter vertical dipole. I have done some DXing but would like to have a better...
Anyone know when the fully assembled version of the RF-KIT am will be available (date)? Also, who is servicing these in the US? And price point? I...
Good afternoon, everyone... I'm just getting back into Ham radio after a long absence. On HF, I'm running 100 watts into an AH4 tuner and long...
