Archive for the ‘Ham Radio’ Category


   Posted by: RobPatton   in Ham Radio, Tech

Since I joined the P25 crowd, I’ve kept a VHF radio in the truck almost all the time.  This has been great fun, with the exception of dealing with the antenna each day.  My parking garage at work is very low, and I was getting out of the truck twice a day to move it.

Yesterday I purcased a Diamond K9000 motorized antenna mount.  From the comfort of the truck I can UP to use, or DOWN the antenna to safety.

During install, I noted a few things.  First, the documentation for mount type is vague at best, and thus I ended up with the wrong one, though I made it work.  Second, the “control” box is lame and goofy looking.  Luckily it just sends 12v one way to raise and reversed to lower, so I can easily make something more desirable.   The unit has limit switches, one fixed, one adjustable.  This lets you set the amount of “down” and you pre-load the “up” at install time. You must hold the button on the control box down till it reaches the position you want, as there is no way to tell where it is in its travel.

Last issue I will have.  I installed an NMO mount in the K9000, The K9000LRM accepts ground-independent antennas, which I do not yet have.  I’m not sure how this will impact the SWR, but I’m not expecting great things.  More on that later.


   Posted by: RobPatton   in Ham Radio

Here’s all the programming info for the Icom U-16. (The H-16, V-100 and U-400 are programmed in the same way. There are some slight differences between the H-16/U-16 keypad and the EX-494 programming keyboard used with the V-100 and U-400.)

The H-16 can also be used to clone an H-16, V-100 or V-200; the U-6 will clone a U-16 U-400 or U-200. Appropriate clonig cables are required.

If the U16 has been made programmable by moving a jumper:
Hold FUNCTION KEY down and enter 159357 It’s now in programming mode.  Exit with FUNCT-CLR.
If the jumper has been removed a colon will now show up between the Ch and channel number. You have only 30 seconds time between entries or the radio will time out and return to operation mode.

Function + 1    Encoder tones (1-37)
” 2    Decoder tones (1-37)
” 3    ?
” 4    Delta + / Delta – offset, 5 digits
” 5    Frequency, 5 digits (400MHz +)
” 6    ?
” 7    Sch. Ch. numbers. Allows alias ch numbers.
” 8    Transmit timeout enable.
” 9    TI, Transmit Inhibit
” SCAN Priority Scan/Ch Scan
” S.CH Channel Masking
” CLEAR  End programming mode

Channel select:  Standard method (up/down arrows or CH# + [ENTER])
Frequency:  Hold [FUNC], Press [5], enter 6 dig freq, [ENTER], release             [FUNC]
Rx CTCSS:  Hold [FUNC], Press [2], enter 2 dig code, [ENTER], release             [FUNC]
Tx CTCSS:  Hold [FUNC], Press [1], enter 2 dig code, [ENTER], release             [FUNC]
Offset Freq:  Hold [FUNC], Press [4], use [#] for up offset, [*]
for               down offset, then enter freq to offset by (ie: [#] [0]
[0]               [0] [0] [0] for no offset, [#] [0] [5] [0] [0] [0] for the
standard +5MHz UHF offset), [ENTER]

Timeout Timer: Hold [FUNC], [8], Release [FUNC]
Tx Inhibit: Hold [FUNC], [9], Release [FUNC]

————————————— 2

Special Channel Number: Hold [FUNC], Press [7], enter the
special channel number (17-99), [ENTER], Release [FUNC]l
Data Transfer MASTER: Hold [FUNC], [BEEP], Release [FUNC]
Data Transfer SLAVE:  Hold [FUNC] with power off, turn on, release [FUNC]
” end-