Count me in also N5MZX

I have a LNR MTR 3b for sale. It is in like new condition and comes with the DC power cable. It is the newer model with the LCD display. Asking $300. 73 Bobby Rolph kb4qnr

The Nixie community has several options for HV power supplies. Just google “Nixie high voltage power supply” Most are geared to 170 volts DC but there are some that are adjustable to near 450

I would suggest a zero beat indicator to help net QNIs. 72,. Charles (aka Chas), W2SH

Hello Jess Gypin, What might the eBay link be for the crystal spotter you purchased for $10? Jim, N5IB would you allow the 4SQRP group to sell either the PC board or a kit for your Crystal Spotter? I

Count me in!! de WA1ISA

I bought one off of eBay for $10.00. Works great. Fits inside the box with the lid closed

I vote for this as well,

I'm not so interested in the tube type kits. I still remember helping my high school buddy trouble shoot his HW-101 and getting knocked across the room from the HV in the plate circuit. I worked

No fair Dave! We need a picture or schematic! 72 Johnny ACØBQ -- Check out the 4SQRP website at 4sqrp.com

Ha! Just wait until you see what I have been working on! 73 Dave NM0S

Gm All If your interested in this I will try to sway the kit committee to Join in? They shouldn’t be very expensive if we Do 100 or so at a time? Jim designs good stuff! 72 Johnny ACØBQ --

Gm Dan Have u found one that’s not noisy? I’ve heard they cause a lot a hash? Just thinking out loud? Johnny ACØBQ -- Check out the 4SQRP website at 4sqrp.com

There are options for HV power supplies with the chinese boards. There are a few that can generate HV from low DC... Especially at these current levels. -- Dan Reynolds -- KB9JLO <><

Gm group The AC 1 sold to mr Jerry Brown!! Thanks Johnny -- Check out the 4SQRP website at 4sqrp.com

Mot a "mod" but rather an accessory... look at: https://qsl.net/n5ib/ or https://qsl.net/n5ib/Crystal_Spotter_Instructions.pdf Easy, easy scratch build...... y'all could lobby 4SQRP for a kit

Hilarious! And the filament voltage won't kill you.

Gm group I have a “origional” AC-1 Transmitter for sale, It’s NOT the Russian kit! It has a origional coil for 40 m And a after market coil for 80 m It’s had a 259 added on the side and a

John, I like your idea of a hybrid, but here's my twist. I remember an article in a ham magazine many decades ago about removing the tube finals and running just the driver to the output to make a

Gm Woody and the group. I think Dave Cripe has one in the “thinking” stages. I’m not sure if the details? Yes, we all have plenty of little 40 or 20 meter solid state radius’s 72 Johnny ACØBQ