1268 South Ogden Street Denver, Colorado 80210 USA

email Phone: 303-722-2257 FAX: 303-744-8876

9 a.m. - 5 p.m. (Mountain) Monday - Friday

VISA, Mastercard, & American Express Welcome

How To Tips, White Papers, & Presentations:

Roofing Filters, Transmitted BW
& Receiver Performnce

Dayton Drake Forum 2008

Slide Show with Audio (wmv)

Slide Show only (ppt or pdf) - Audio only (mp3)

Click to view or listen or to save, right click & Save Target/Link

Roofing Filters, Transmitted IMD
& Receiver Performance

Boulder Colorado Amateur Radio Club (BARC) - February 2008

PowerPoint (ppt) - Acrobat (pdf) - Audio (mp3)

Click to view or listen or to save, right click & Save Target/Link

DSP Radios - Not Perfect

Dayton Drake Forum 2007

PowerPoint (ppt) - Acrobat (pdf)

On slide #8 click on the speaker to hear the sound clip

Radios Used in a Contest Environment

Hamvention 2004

Data and Presentation

Receiver Test Data

(Updated 12 April 2008)

Other Tips & White Papers:

Announcing the SE-3 MK IV

Now taking orders - $695.00

Cooling Kits	Drake R-4C
Icom IC781 Cooling Kit R9000 Cooling Kit	R4-C Kits Drake R-4C Filters

SE-3 MK IV	Catalogues
Synchronous Detector Listen to the Effectiveness Interfacing a Shortwave Radio to SE-3	Short Wave Listener Catalogue Amateur Radio Catalogue

Filters	Additional Products
Collins 455 kHz Mechanical 455 kHz Crystal Drake, Racal, JRC, Icom, & Atlas	7-SP MK III RF Speech Processors for Drake TR-7 SE-6 Switch Box

Links & Shipping
Sherwood Favorite Links	Shipping Information

1268 South Ogden Street Denver, Colorado 80210 USA
Phone: 303-722-2257 FAX: 303-744-8876 email

Updated 10 September 2008
T Cantrell, webmaster