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And the reason why the Ns have less notch? Kit Parsons himself told me when I ordered my 220 652s in 1984. He sent a handwritten note with the invoice to my PO box...I had ordered with type Ns..he

Already covered above, but here are a number of ways to feed multiple antennas with 50 ohm feed-points. 2 x 50 ohm antennas: http://dg7ybn.de/Phasing/Phasing.htm#Feed_2x_50 Stacking distances also

At 3/28/2025 03:22 AM, you wrote: Looking at the manual that you provided, you have the correct point marked Chris WB5ITT "Splutter filter"? Must be related to the "Lipple Filter" found in many

Its not related to a J-pole, the DB Products dipoles are simply a center fed dipole with a fat grounded element and the driven element is a folded monopole. Probably much lower impedance than a

I’m looking for a schematic for a Motorola MSF 5000 UHF Repeater Amplifier 75w Model TLE2522A. if you have one, please let me know 73, …Gary, KE8O

<-- Hi Pierre:? Something in the back of my cranial filing cabinet tells me that this repeater is not suitable for digital use.? I'd check to ensure the exciter is a true FM exciter (not PM), and

That is indeed a DB-225 (see catalog pic). Notice the 1.5 SWR bandwidth at 50 MHz is only 0.5 MHz compared to the a DB212 which has a bandwidth slightly more than 1MHz on 6M. Therefore, if duplexing

That's actually called a DB225...single dipole with director.... I've been dealing with them for over 45 years.. This one looks to be homemade though.. a DB212 loop with a homemade director.. there's

Chill out Chris. That is a DB antenna. It is a 212 folded dipole with a director. Ran into one on a paging system around 35MHz, it was a monster but that’s low band. In order to recycle it to 6

Looks like a homemade clone of a DB-225 antenna. It would be mounted to a metal mast or tower that must extend beyond the top of the folded dipole. The DB-225 is a 50-ohm antenna. Since this one is

Looking at the manual that you provided, you have the correct point marked Chris WB5ITT [email protected]> wrote:

I passed along version 1.4 to Jeremy Chris WB5ITT [email protected]> wrote:

Number one that's a poor picture because it's doesn't show everything and I can't zoom in, number two that looks like a homebrew antenna because the wood support boom and it looks like PVC holding up

you aint no orphan mate.? Human failibillity! let me know if you need that software and dont locate it. I am on email as per QRZ. Maxwell VK5AC.

But you can steer it to a lower number in Device Mangler.

The KLN6209 or a TLN6824 will also work. The TLN6824 is common as it was the Micor encode reed. Mike WA6ILQ

Interesting, is that a 2 element Yagi with the driven element that gets snuggled up close to the mast then a director out front? If so they are not relying on the mast as a reflector as it looks like

[image2.jpeg] John N. Hudson III, Regional Emergency Communications Coordinator California, Governor’s Office of Emergency Services Public Safety Communications Tactical Communications Unit,

I've had some progress tonight. Two simple mistakes I should have avoided. First, the mini-stereo socket I used for the homemade OPC-592 adapter was a mono jack. The third pin was for audio muting

At 3/27/2025 03:27 PM, you wrote: I have both of these duplexers available to replace an existing system. The site itself is a water tower with an existing DB224 that has been made available to me.